Граф коммитов

6973 Коммитов

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Linus Torvalds 49eb7b0750 TTY/Serial driver patches for 3.16-rc1
Here is the big tty / serial driver pull request for 3.16-rc1.
 
 A variety of different serial driver fixes and updates and additions,
 nothing huge, and no real major core tty changes at all.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty into next

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty / serial driver pull request for 3.16-rc1.

  A variety of different serial driver fixes and updates and additions,
  nothing huge, and no real major core tty changes at all.

  All have been in linux-next for a while"

* tag 'tty-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (84 commits)
  Revert "serial: imx: remove the DMA wait queue"
  serial: kgdb_nmi: Improve console integration with KDB I/O
  serial: kgdb_nmi: Switch from tasklets to real timers
  serial: kgdb_nmi: Use container_of() to locate private data
  serial: cpm_uart: No LF conversion in put_poll_char()
  serial: sirf: Fix compilation failure
  console: Remove superfluous readonly check
  console: Use explicit pointer type for vc_uni_pagedir* fields
  vgacon: Fix & cleanup refcounting
  ARM: tty: Move HVC DCC assembly to arch/arm
  tty/hvc/hvc_console: Fix wakeup of HVC thread on hvc_kick()
  drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc
  vt: emulate 8- and 24-bit colour codes.
  printk/of_serial: fix serial console cessation part way through boot.
  serial: 8250_dma: check the result of TX buffer mapping
  serial: uart: add hw flow control support configuration
  tty/serial: at91: add interrupts for modem control lines
  tty/serial: at91: use mctrl_gpio helpers
  tty/serial: Add GPIOLIB helpers for controlling modem lines
  ARM: at91: gpio: implement get_direction
  ...
2014-06-03 09:01:02 -07:00
Takashi Iwai e4bdab70dd console: Use explicit pointer type for vc_uni_pagedir* fields
The vc_data.vc_uni_pagedir filed is currently long int, supposedly to
be served generically.  This, however, leads to lots of cast to
pointer, and rather it worsens the readability significantly.

Actually, we have now only a single uni_pagedir map implementation,
and this won't change likely.  So, it'd be much more simple and
error-prone to just use the exact pointer for struct uni_pagedir
instead of long.

Ditto for vc_uni_pagedir_loc.  It's a pointer to the uni_pagedir, thus
it can be changed similarly to the exact type.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-28 13:37:21 -07:00
Takashi Iwai 0f2893f0d1 vgacon: Fix & cleanup refcounting
The vgacon driver prepares a two element array of uni_pagedir_loc and
uses the second item as its own reference counter for sharing the
uni_pagedir.  And the code assumes blindly that the second item is
available if the assigned vc_uni_pagedir isn't the standard one, which
might be wrong (although currently it's so).

This patch fixes that wrong assumption, and gives a slight cleanup
along with it: namely, instead of array, just give the uni_pagedir_loc
and a separate refcount variable.  It makes the code a bit more
understandable at first glance.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-28 13:37:21 -07:00
Tomi Valkeinen f2dd36ac99 OMAPDSS: move 'compatible' converter to omapdss driver
Move the panel/encoder driver compatible-string converter from
arch/arm/mach-omap2/display.c to omapdss driver. That is a more logical
place for it, as it's really an omapdss internal hack.

The code is rewritten to follow the video node graph, starting from
omapdss. This removes the need to have the device compatible-string
database.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-28 09:25:15 +03:00
Hans de Goede 3cc6919bd6 backlight: Add backlight device (un)registration notification
Some firmware drivers, ie acpi-video want to get themselves out of the
way (in some cases) when their also is a raw backlight device available.

Due to module loading ordering being unknown, acpi-video cannot be certain
that the backlight_device_registered(BACKLIGHT_RAW) it does for this is
the final verdict wrt there being a BACKLIGHT_RAW device.

By adding notification acpi-video can listen for backlight devices showing
up after it has loaded, and unregister its backlight device if desired.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-05-27 01:29:01 +02:00
Michael Schmitz cf8c8781d9 m68k/atari - atafb: convert allocation of fb ram to new interface
The new atari_stram_alloc interface returns kernel virtual addresses
even if the kernel runs in FastRAM. These addresses are not
guaranteed to be identical with the physical addresses. Since ST-RAM
mappings have not been set up by mem_init, virt_to_phys() and its
cousin do not work and the atari_stram_to_phys() etc. helpers must
be used to determine physical addresses.

fb.fix->smem_start needs physical addresses, fb.par->screen_base
needs virtual addresses. Take care of the virt-to-phys conversion
both on fb init and par changes.

Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2014-05-26 22:41:24 +02:00
Tomi Valkeinen 2b22df835b OMAPDSS: HDMI: fix devm_ioremap_resource error checks
devm_ioremap_resource returns ERR_PTR on error, not NULL. Fix the
error checks in the driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 14:50:09 +03:00
Tomi Valkeinen 2dcfdc3066 OMAPDSS: HDMI: remove unused defines
Remove some unused defines from the HDMI driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 14:40:47 +03:00
Tomi Valkeinen fc2daf3b1d OMAPDSS: HDMI: cleanup WP ioremaps
Commit 59b3d38a36 missed cleaning up the
hdmi_wp.c file.

Clean up hdmi_wp.c the same way as the others.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 14:37:44 +03:00
Zhichuang SUN fbc6c4a13b drivers/video/fbdev/fb-puv3.c: Add header files for function unifb_mmap
Function unifb_mmap calls functions which are defined in linux/mm.h
and asm/pgtable.h

The related error (for unicore32 with unicore32_defconfig):
	CC      drivers/video/fbdev/fb-puv3.o
	drivers/video/fbdev/fb-puv3.c: In function 'unifb_mmap':
	drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
				      function 'vm_iomap_memory'
	drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
				      function 'pgprot_noncached'

Signed-off-by: Zhichuang Sun <sunzc522@gmail.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Joe Perches <joe@perches.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-fbdev@vger.kernel.org
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 13:51:10 +03:00
Rickard Strandqvist 0c641bff31 video: fbdev: s3fb.c: Fix for possible null pointer dereference
There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 13:47:31 +03:00
Rickard Strandqvist d9a5f87c8f video: fbdev: grvga.c: Fix for possible null pointer dereference
There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 13:47:31 +03:00
Mikulas Patocka 972754cfae matroxfb: perform a dummy read of M_STATUS
I had occasional screen corruption with the matrox framebuffer driver and
I found out that the reason for the corruption is that the hardware
blitter accesses the videoram while it is being written to.

The matrox driver has a macro WaitTillIdle() that should wait until the
blitter is idle, but it sometimes doesn't work. I added a dummy read
mga_inl(M_STATUS) to WaitTillIdle() to fix the problem. The dummy read
will flush the write buffer in the PCI chipset, and the next read of
M_STATUS will return the hardware status.

Since applying this patch, I had no screen corruption at all.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 13:44:25 +03:00
Boris BREZILLON 80c68c1e2e video: of: display_timing: fix default native-mode setting
Set native mode to the first child node of the display-timings node and not
the first child node of the display-timings parent node.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-23 13:31:19 +03:00
Alexandre Belloni 16fc3352ea pwm-backlight: retrieve configured PWM period
The PWM core is now able to initialize the PWM period from a lookup
table defined by board files. Use it if available and fallback to the
value supplied in pwm_period_ns.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2014-05-21 11:19:45 +02:00
Tomi Valkeinen b36250d8b5 OMAPDSS: panel NEC-NL8048HL11 DT support
We don't have any working boards using this panel right now, and the
panel driver looks odd compared to the panel specs. For example, the
panel spec does not mention any QVGA pin.

So, while this patch adds DT support to the driver, it's not really
supported and there are not bindings documentation for the panel until
someone can verify how the panel actually works.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Erik Gilling <konkers@android.com>
2014-05-20 14:39:47 +03:00
Tomi Valkeinen 597cc1e451 OMAPDSS: Panel TPO-TD043MTEA1 DT support
Add DT support for panel TPO-TD043MTEA1.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Grazvydas Ignotas <notasas@gmail.com>
2014-05-20 14:39:46 +03:00
Tony Lindgren be88c16a22 OMAPDSS: panel sharp-ls037v7dw01 DT support
Add DT support for sharp-ls037v7dw01.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-20 14:39:45 +03:00
Tony Lindgren 9522f9fe86 OMAPDSS: panel-sharp-ls037v7dw01: update to use gpiod
Using gpiod will make it easier to add device tree support
for this panel in the following patches.

Note that all the GPIOs for this panel are optional, any
of the the GPIOs could be configured with external pulls
instead of GPIOs, so let's not error out if GPIOs are not
found to make the panel more generic.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-20 14:39:45 +03:00
Tomi Valkeinen 1b71f1047e OMAPDSS: panel-lgphilips-lb035q02: Add DT support
Add DT support for panel-lgphilips-lb035q02.

We disable the use of the backlight_gpio as it should be handled via
backlight framework with DT boots.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
2014-05-20 14:39:39 +03:00
Tomi Valkeinen fbf7309823 OMAPDSS: panel-lgphilips-lb035q02: use gpiod for enable gpio
The new gpiod API supports automatic handling of active-high/active-low
with DT. To make it possible to use that when booting with DT, change
the driver's handling of the enable GPIO to use gpiod.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-20 09:35:40 +03:00
Jyri Sarha e2ccb0eee5 OMAPDSS: hdmi5_core: Fix compilation with OMAP5_DSS_HDMI_AUDIO
Use correct variable name for base address.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-19 16:27:07 +03:00
Tomi Valkeinen c6e29d26df OMAPDSS: panel-dpi: enable-gpio
The enable gpio should be optional, but the driver returns an error if
it doesn't get the gpio.

So change the driver to accept -ENOENT error.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
2014-05-19 16:26:58 +03:00
Julia Lawall 3f513f4cc4 video: delete unneeded call to platform_get_drvdata
Platform_get_drvdata is an accessor function, and has no purpose if its
result is not used.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier x;
type T;
@@
- T x = platform_get_drvdata(...);
... when != x
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-19 16:03:57 +03:00
Alexander Stein 7edaa761ee video: mx3fb: Add backlight control support
This patch add backlight control support to allow dimming the backlight
using the internal PWM. Currently the brightness is set fixed to a
maximum of 255.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-16 11:58:39 +03:00
Aaro Koskinen 7ceb1892c0 video: omap: delete support for early fbmem allocation
Commit 1e434f9318 (OMAPFB: remove early mem
alloc from old omapfb) deleted the support for early fbmem allocation
from the platform code, but some code still remains in the driver side.
Delete this code now, as it repotedly causes build issues on !MMU.

The patch was tested on Amstrad E3 and Nokia 770 and framebuffer
functionality is not affected.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-16 11:56:12 +03:00
Lucas Stach dc42715faf video: of: display_timing: remove two unsafe error messages
The error message would try to dereference the pointer that
just has been tested to be NULL. As those messages don't
really add any value without the info that the np could
provide, just remove them.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-15 13:47:11 +03:00
Rusty Russell 43d910ff15 drivers/video/fbdev/sm501fb.c: avoid world-writable sysfs files.
In line with practice for module parameters, we're adding a build-time
check that sysfs files aren't world-writable.

Cc: Vincent Sanders <vince@simtec.co.uk>
Cc: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-05-14 10:53:54 +09:30
Tomi Valkeinen d80e02ef34 OMAPDSS: Fix writes to DISPC_POL_FREQ
When omapdss writes to DISPC_POL_FREQ register, it always ORs the bits
with the current contents of the register, never clearing the old ones,
causing wrong signal polarity settings.

As we write all the bits in DISPC_POL_FREQ, we don't need to care about
the current contents of the register. So fix the issue by constructing
new register value from scratch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:28:39 +03:00
Tomi Valkeinen 59b3d38a36 OMAPDSS: HDMI: cleanup ioremaps
Now that all the boards using OMAP HDMI are using DT boot, we can remove
the hacks for getting the ioresources with non-DT boot.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:30 +03:00
Tomi Valkeinen f5bab22291 OMAPDSS: HDMI: Add OMAP5 HDMI support
This adds a new driver to omapdss for OMAP5 HDMI. However, the new
driver uses common HDMI files which are shared with OMAP4 HDMI driver.

OMAP5 HDMI has a different HDMI core IP compared to OMAP4, but has very
similar PLL and PHY IPs which can be handled with common code.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:30 +03:00
Archit Taneja 2d64b1b314 OMAPDSS: HDMI: PLL changes for OMAP5
Add a features struct to differentiate between the HDMI PLLs on OMAP4
and OMAP5. The OMAP5 PLL is more sensitive when it comes to locking.  We
need to ensure that the DCO freq isn't too low for lower pixel clocks.

Modify the PLL computation slightly to ensure the HDMI PLL locks for lower
frequencies. This will be later replaced by a more complex computation
which makes sure all the PLL constraints are met.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:29 +03:00
Archit Taneja 19289fdcbe OMAPDSS: HDMI: PHY changes for OMAP5
OMAP5 HDMI PHY has some differences compared to OMAP4 HDMI PHY. This
patch creates a features struct which help the driver configure the PHY
based on what SoC it is.

Some of the features aren't currenlty used, but will come in use later.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:29 +03:00
Archit Taneja 8955b727af OMAPDSS: HDMI: support larger register offsets for OMAP5 HDMI core
The HDMI core IP on OMAP5 has a wider address range for registers. The offsets
for the later registers can't fit into the u16 type currently used for hdmi
register read and write functions. Use u32 for offsets instead.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:29 +03:00
Tomi Valkeinen dcf5f7299e OMAPDSS: HDMI: move irq & phy pwr handling
HDMI IRQ handling was moved into hdmi_phy.c when restructuring the HDMI
driver. While this worked fine, it's not correct.

The HDMI IRQ handling should be either in the hdmi_wp, or in the main
hdmi driver. This patch moves the handling to the main hdmi driver, as I
feel it's a more appropriate choice.

This move also requires changing the handling of the PHY power, as that
was partly handled in the IRQ handler. The PHY power is handled via the
WP module. An option would be to give HDMI PHY driver function pointers
that it could use to manage the PHY power, but as the PHY power is not
needed to access the PHY registers, the handling was also moved to the
main HDMI driver. This could be changed later if need be.

Note that there's slightly similar power issue with the PLL: the HDMI
PLLs power is also handled via the WP module. For now, the PLL power
handling is still done inside the PLL driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:28 +03:00
Tomi Valkeinen 543e761fb9 OMAPDSS: HDMI: improve Makefile
We'll soon add support for OMAP5 HDMI, which uses some of the same files
as OMAP4 HDMI does.

This patch adds a new config entry "OMAP2_DSS_HDMI_COMMON", which both
OMAP4 and OMAP5 HDMI config entries can select. OMAP2_DSS_HDMI_COMMON
will cause the common HDMI files to be compiled.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:28 +03:00
Tomi Valkeinen bd3ad6a4fc OMAPDSS: DSI: Add OMAP5 DSI module IDs
Add OMAP5 DSI module ID support to the OMAP DSI driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:28 +03:00
Tomi Valkeinen 35fd32d600 OMAPDSS: DPI: fix LCD3 DSI source
At the moment the dpi driver does not handle LCD3 clock source at all.

LCD3 channel gets the DSI PLL clock from DSI2 instance. Add support for
LCD3's clock source in the dpi driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:28 +03:00
Tomi Valkeinen 5b3075ced1 OMAPDSS: features: fix OMAP5 features
OMAP5 has LCD3 overlay manager, and total 4 overlay managers. These are
not correctly defined in the dss features. Fix them.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:27 +03:00
Tomi Valkeinen 2e7e6b6892 OMAPDSS: DSS & DISPC DT support for OMAP5
Add omap5 entries to dispc's and dss's of_device_id tables.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:27 +03:00
Sathya Prakash M R d6279d4ae1 OMAPDSS: Add DSS features for AM43xx
Add DSS features for AM43xx.

Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:26 +03:00
Tomi Valkeinen 246def36e2 OMAPDSS: remove venc_panel.c
The use of venc_panel.c was removed in
09d2e7cdeb (OMAPDSS: VENC: remove code
related to old panel model), but the file itself was left behind. Remove
the unused file.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 13:24:10 +03:00
Archit Taneja 0059277276 omapdss: remove check for simpler port/endpoint binding
The support for simpler port/endpoint binding was removed in the merged version
of omapdss DT. But dss_init_ports still tries to get to an endpoint even if no
port exists. Remove this as this doesn't work.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:58:04 +03:00
Fabian Frederick a41ca72e57 OMAPDSS: add __exit to dss_uninit_ports
dss_uninit_ports is only called by __exit omap_dsshw_remove

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-omap@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:56:32 +03:00
Fabian Frederick 34bdb666f4 fbdev: fbmem: remove positive test on unsigned values
fb_image.dx, fb_image.dy and fbconf2bmap.framebuffer are __u32

Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:49 +03:00
Masami Ichikawa 7a966fbd78 fbcon: Fix memory leak in con2fb_release_oldinfo()
kmemleak reported a memory leak as below.

unreferenced object 0xffff8800dab6d8d8 (size 96):
  comm "swapper/0", pid 1, jiffies 4294877598 (age 38.483s)
  hex dump (first 32 bytes):
    00 00 00 00 00 01 00 00 08 00 00 00 10 00 00 00  ................
    07 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814e8f2e>] kmemleak_alloc+0x4e/0xb0
    [<ffffffff811a0600>] __kmalloc+0x280/0x320
    [<ffffffff81309b61>] soft_cursor+0x231/0x290
    [<ffffffff81309393>] bit_cursor+0x613/0x650
    [<ffffffff8130556b>] fbcon_cursor+0x13b/0x1c0
    [<ffffffff813755f8>] hide_cursor+0x28/0xa0
    [<ffffffff81376e98>] redraw_screen+0x168/0x240
    [<ffffffff81303891>] fbcon_prepare_logo+0x381/0x420
    [<ffffffff81303c7e>] fbcon_init+0x34e/0x590
    [<ffffffff81375828>] visual_init+0xb8/0x120
    [<ffffffff81377c93>] do_bind_con_driver+0x163/0x380
    [<ffffffff81378494>] do_take_over_console+0x114/0x1c0
    [<ffffffff81303f23>] do_fbcon_takeover+0x63/0xd0
    [<ffffffff813086dd>] fbcon_event_notify+0x68d/0x7e0
    [<ffffffff814ff7ac>] notifier_call_chain+0x4c/0x70
    [<ffffffff8108c85d>] __blocking_notifier_call_chain+0x4d/0x70

This memory leak cause is, fbcon_ops's cursor_src is allocated in
soft_cursor() but not released in con2fb_release_oldinfo().
so, cursor_src is needed to be released when oldinfo is going to be
released.

Signed-off-by: Masami Ichikawa <masami256@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:49 +03:00
Jean Delvare 632de707b7 video: Kconfig: Add a dependency to the Goldfish framebuffer driver
All other Goldfish drivers depend on GOLDFISH, I see no reason why the
framebuffer driver would be an exception.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:48 +03:00
Jean Delvare 5fb7652beb video: exynos: Add a dependency to the menu
All drivers under menu EXYNOS_VIDEO depend on either ARCH_S5PV210 or
ARCH_EXYNOS, so add these as dependencies to the menu itself. This
avoids presenting an empty and useless menu on other architectures.

Then drivers under the menu only need a dependency if they depend on
one of the supported architectures specifically.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:48 +03:00
Denis Carikli c58f66165d video: mx3fb: Use devm_kzalloc
Replace kzalloc by devm_kzalloc and remove the kfree() calls.

Signed-off-by: Denis Carikli <denis@eukrea.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:48 +03:00
Arnd Bergmann e3e11f5163 video/nuc900: allow modular build
The frame buffer core may be a loadable module, and in this
case, the nuc900 driver cannot be built-in. Turning it into
a tristate option lets Kconfig work out the dependency and
avoid broken builds.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:47 +03:00
Arnd Bergmann 3cdd153717 video: atmel needs FB_BACKLIGHT
The atmel frame buffer driver doesn't build if FB_BACKLIGHT
is disabled, so select it here as we do for lots of other
drivers.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:47 +03:00
Arnd Bergmann 23e51f87f3 video: export fb_prepare_logo
Some drivers that may be loadable modules use the fb_prepare_logo
function, so we have to export it. Found during randconfig
builds with mmpfb.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:47 +03:00
Arnd Bergmann fabd3152fb video/mbx: fix building debugfs support
The mbx framebuffer debugfs support apparently hasn't been able
to build for a long time, at least since 2006 when the u.generic_ip
field in the inode was removed. This fixes the obvious bug, and
also makes it possible to build the driver as a module when
debugfs support is enabled, by simply including the C file.
It's ugly, but it won't make the driver any worse than it
already is, and doesn't require a more invasive change that
might break it further.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Raphael Assenat <raph@8d.com>
Cc: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:46 +03:00
Arnd Bergmann 81c44c2b2c video/omap: fix modular build
The framebuffer layer can be a loadable module, which forces
omapfb to be a module as well. However, this breaks the lcd
drivers, which are linked into the omapfb driver but each
have their own module_init() function. To solve this,
we split out the lcd drivers into separate modules and
export omapfb_register_panel, which is the only interface
required between the main omapfb driver and the lcd panel
drivers.

We also have to introduce a new Kconfig symbol for H3, since
that lcd driver has a dependency on TPS65010, which we can
express better in Kconfig than Makefile syntax.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:46 +03:00
Arnd Bergmann f7200b6834 video: clarify I2C dependencies
We can only use I2C support in frame buffer drivers if
Either I2C is built-in, or both I2C and the driver itself
are loadable modules.

Fix this dependency for MB862XX and CyberPro frame buffers.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:45 +03:00
Arnd Bergmann 24f13a6679 video: omap2dss: fix LPAE warnings
If LPAE is enabled, dma_addr_t is 64 bit, so we have to
change a few type for everything in this driver to match
again.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:55:18 +03:00
Marek Belisko c84d95058a omapdss: panel-tpo-td028ec1: Add module alias
Add module alias string to make it working when panel is compiled as module.
Without this change panel module is not probed thus display is not working.

Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:35:51 +03:00
Marek Belisko 1f32450911 omapdss: panel-tpo-td028ec1: Add DT support.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:35:51 +03:00
Masanari Iida 39a6ec28bd video/backlight: s6e63m0: Fix string type mismatch
Fix string type mismatch in s6e63m0_sysfs_show_gamma_table().
gamma_table_count is defined as unsigned int.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-05-07 11:12:51 +01:00
Arnd Bergmann 423431a3b5 video: sh_mobile_lcdcfb depends on meram
The sh_mobile_lcdcfb driver calls interfaces provided
by the corresponding "meram" helper. This fails if meram
is a module but lcdcfb is built-in.

To work around it, this uses special Kconfig magic to
only allow lcdcfb to be built if
a) both are modules,
b) meram is built-in, or
c) meram is disabled and the helpers stubbed out

Changing meram from 'y' to 'm' now forces clcd to
be a module as well, which seems to be the desired
behavior.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-sh@vger.kernel.org
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 12:16:33 +03:00
Tomi Valkeinen 02b7a32083 OMAPDSS: DSI: set regulator voltage to 1.8V
Set the DSI vdd regulator voltage to the required 1.8V.

This is required for the case when the regulator in the DT data defines
a range of allowed voltages. In this case it's required to set the
voltage, as otherwise enabling the voltage fails.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 11:31:27 +03:00
Tomi Valkeinen 818a053c54 OMAPDSS: HDMI4: set regulator voltage to 1.8V
Set the HDMI vdda regulator voltage to the required 1.8V.

This is required for the case when the regulator in the DT data defines
a range of allowed voltages. In this case it's required to set the
voltage, as otherwise enabling the voltage fails.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 11:31:23 +03:00
Tomi Valkeinen 2f5dc676bf OMAPDSS: HDMI: lane config support
Add support to configure the pins used for the HDMI lanes. The order and
polarity of the lanes can be defined in the DT data.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 11:31:11 +03:00
Tomi Valkeinen 2c75e3cb6e OMAPDSS: connector-hdmi: hpd support
Add support to handle HPD GPIO in the HDMI connector driver. For the
time being, the driver only uses HPD GPIO to report is the cable is
connected via detect() calll.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 11:29:38 +03:00
Alexandre Courbot 257462dbf3 pwm-backlight: switch to gpiod interface
Switch to the new gpiod interface, which allows to handle GPIO
properties such as active low transparently and removes a whole bunch of
code.

There are still a couple of users of this driver that rely on passing
the enable GPIO number through platform data, so a fallback mechanism
using a GPIO number is still available to avoid breaking them. It will
be removed once current users have switched to the GPIO lookup tables
provided by the gpiod interface.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2014-05-07 10:15:31 +02:00
Tomi Valkeinen 4843a0582b OMAPDSS: panel-dpi: Add DT support
Add DT support for panel-dpi.

We disable the use of the backlight_gpio as it should be handled via
backlight framework with DT boots.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-05-07 11:00:04 +03:00
Tomi Valkeinen 56610d9c11 OMAPDSS: panel-dpi: use gpiod for enable gpio
The new gpiod API supports automatic handling of active-high/active-low
with DT. To make it possible to use that when booting with DT, change
the panel-dpi's handling of the enable GPIO to use gpiod.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-07 10:58:22 +03:00
Thierry Reding 5f33b89624 pwm-backlight: Disable backlight on shutdown
When a device is shut down, make sure to disable the backlight. If it
stays lit, it gives the impression that the device hasn't turned off.
Furthermore keeping the backlight on may consume power, which is not
what users expect when they shut down a device.

Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-05-02 13:25:59 +02:00
Jean Delvare 81fe17b94b fbdev: Fix tmiofb driver dependencies
The tmiofb driver should not depend on MFD_CORE but on MFD_TMIO.
Without the tmio_core driver, tmiofb has no platform device to bind
to and is thus useless.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 14:04:48 +03:00
Jingoo Han 9b22b8c52f video: pxa3xx-gcu: use devm_ioremap_resource()
Use devm_ioremap_resource() because devm_request_and_ioremap() is
obsoleted by devm_ioremap_resource().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 14:02:15 +03:00
Dan Carpenter a513ad2d6d video: mmpfb: cleanup some static checker warnings in probe()
Sparse complains about using zero instead of NULL for pointers.
Probably, if we enabled the warning, then GCC would complain about the
unused initializers.  I've just removed them.

Smatch complains that we first check if "fbi" is NULL and then
dereference it in the error handling.  It turns out that "fbi" can't be
NULL so I've removed the check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 13:57:29 +03:00
Richard Weinberger c150a2803d video: mmp: Remove references to CPU_PXA988
References to the Kconfig symbol CPU_PXA988 were added to the tree in
v3.9. But that Kconfig symbol has never been part of the tree. So get
rid of these references.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 11:36:48 +03:00
Richard Weinberger 6e860a1aed video: mmp: Remove references to CPU_MMP3
References to the Kconfig symbol CPU_MMP3 were added to the tree since
v3.6. But that Kconfig symbol has never been part of the tree. So get
rid of these references.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 11:36:38 +03:00
Masanari Iida 7e81b9ddf2 video: fbdev: Fix format string mismatch in gbefb.c
Fix format string mismatch in gbefb_show_memsize().

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 11:24:40 +03:00
Masanari Iida 3ea4ccd004 video: fbdev: Fix format string mismatch in wm8505fb.c
Fix format string mismatch in contrast_show().

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-30 11:24:40 +03:00
Peter Griffin 513199368a video/backlight: LP8788 needs PWM
The LP8788 driver cannot be successfully built if we don't
enable the PWM subsystem. This patch makes that dependency
explicit in Kconfig and prevents broken randconfig builds.

Based on Arnd Bergmann patch but split out into seperate
commits per driver based on feedback.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-28 11:22:01 +01:00
Arnd Bergmann 91a57dc134 video/backlight: LP855X needs PWM
The LP855X driver cannot be successfully built if we don't
enable the PWM subsystem. This patch makes that dependency
explicit in Kconfig and prevents broken randconfig builds.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-28 11:21:25 +01:00
Arnd Bergmann e6162f3ece video/pxa: LCD_CORGI needs BACKLIGHT_CLASS_DEVICE
This fixes a randconfig build error when BACKLIGHT_CLASS_DEVICE
is disabled, by describing the dependency in Kconfig,
as we do for the other drivers in this directory.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-28 11:21:03 +01:00
Peter Griffin 05c4cc0f95 video/backlight: LM3630A needs PWM
The LM3630A driver cannot be successfully built if we don't
enable the PWM subsystem. This patch makes that dependency
explicit in Kconfig and prevents broken randconfig builds.

Based on Arnd Bergmann patch but split out into seperate
commits per driver based on feedback.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-28 11:19:52 +01:00
David Ung e6853aafd4 video: Check EDID for HDMI connection
Check EDID Vendor Specific Data Block bytes to see if the connection
is HDMI and set FB_MISC_HDMI.

Signed-off-by: David Ung <davidu@nvidia.com>
Signed-off-by: Christopher Freeman <cfreeman@nvidia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-22 08:51:29 +03:00
Jon Ringle f474f0e1fb video: da8xx-fb: Add support for Densitron 84-0023-001T
Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-22 08:51:27 +03:00
Tomi Valkeinen 776bbb97e0 video: Kconfig: move drm and fb into separate menus
At the moment the "Device Drivers / Graphics support" kernel config page
looks rather messy, with DRM and fbdev driver selections on the same
page, some on the top level Graphics support page, some under their
respective subsystems.

If I'm not mistaken, this is caused by the drivers depending on other
things than DRM or FB, which causes Kconfig to arrange the options in
not-so-neat manner.

Both DRM and FB have a main menuconfig option for the whole DRM or FB
subsystem. Optimally, this would be enough to arrange all DRM and FB
options under the respective subsystem, but for whatever reason this
doesn't work reliably.

This patch adds an explicit submenu for DRM and FB, making it much
clearer which options are related to FB, and which to DRM.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-17 08:10:20 +03:00
Tomi Valkeinen 19757fc843 fbdev: move fbdev core files to separate directory
Instead of having fbdev framework core files at the root fbdev
directory, mixed with random fbdev device drivers, move the fbdev core
files to a separate core directory. This makes it much clearer which of
the files are actually part of the fbdev framework, and which are part
of device drivers.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-17 08:10:19 +03:00
Tomi Valkeinen f7018c2135 video: move fbdev to drivers/video/fbdev
The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.

Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.

No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-17 08:10:19 +03:00
Steven Miao c26ef3eb3c video: bf54x-lq043fb: fix build error
Fix build error by including linux/gpio.h. Also drop asm/gpio.h which is
not needed.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-15 12:44:16 +03:00
Jyri Sarha 5c348ba96c OMAPDSS: Change struct reg_field to dispc_reg_field
Avoid colision with regmap's struct reg_field definition by renaming
omapdss's struct reg_field to dispc_reg_field, and moving it inside
dispc.c as that's the only place it is used.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-14 16:42:49 +03:00
Jyri Sarha a57a22c817 OMAPDSS: Take pixelclock unit change into account in hdmi_compute_acr()
Pixelclock unit change from kHz to Hz should be taken into account
in CTS value calculations in hdmi_compute_acr().

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-14 16:17:26 +03:00
Tomi Valkeinen 0925afc9a4 OMAPDSS: fix shared irq handlers
DSS uses shared irq handlers for DISPC and DSI, because on OMAP3, the
DISPC and DSI share the same irq line.

However, the irq handlers presume that the hardware is enabled, which,
in theory, may not be the case with shared irq handlers. So if an
interrupt happens while the DISPC/DSI is off, the kernel will halt as
the irq handler tries to access the DISPC/DSI registers.

In practice that should never happen, as both DSI and DISPC are in the
same power domain. So if there's an IRQ for one of them, the other is
also enabled. However, if CONFIG_DEBUG_SHIRQ is enabled, the kernel will
generate a spurious IRQ, which then causes the problem.

This patch adds an is_enabled field for both DISPC and DSI, which is
used to track if the HW is enabled. For DISPC the code is slightly more
complex, as the users of DISPC can register the interrupt handler, and
we want to hide the is_enabled handling from the users of DISPC.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-14 14:52:08 +03:00
Alexander Shiyan 25e475e11d video: imxfb: Select LCD_CLASS_DEVICE unconditionally
FB driver uses lowlevel controls for LCD powering and contrast changing.
Since LCD class cannot be used as an optional feature and should be
compiled for using in the driver, this patch selects LCD_CLASS_DEVICE
symbol for the driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-14 14:52:08 +03:00
Tomi Valkeinen d0e224f996 OMAPDSS: fix rounding when calculating fclk rate
"clk: divider: fix rate calculation for fractional rates" patch (and
similar for TI specific divider) fixes the clk-divider's rounding. This
patch updates the DSS driver to round the rates accordingly.

This fixes the DSS's warnings about clock rate mismatch, and also fixes
the wrong fclk rate being set.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Christoph Fritz <chf.fritz@googlemail.com>
Tested-by: Marek Belisko <marek@goldelico.com>
2014-04-14 14:52:08 +03:00
Jon Ringle 8d018647e0 video: da8xx-fb: Fix casting of info->pseudo_palette
The casting to (u16 *) on info->pseudo_palette is wrong and causes the
display to show a blue (garbage) vertical line on every other pixel column

Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-14 14:52:07 +03:00
Linus Torvalds edf2377c47 - Call put_device() instead of kfree() - core
- Add DT support - gpio-backlight
  - Use managed resources - lm3639_bl
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Merge tag 'backlight-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight changes from Lee Jones:
 - core: call put_device() instead of kfree()
 - gpio-backlight: add DT support
 - lm3639_bl driver: use managed resources

* tag 'backlight-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: lm3639: Use devm_backlight_device_register()
  backlight: gpio-backlight: Add DT support
  backlight: core: Replace kfree with put_device
2014-04-10 08:52:35 -07:00
Linus Torvalds e9f37d3a8d Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "Highlights:

   - drm:

     Generic display port aux features, primary plane support, drm
     master management fixes, logging cleanups, enforced locking checks
     (instead of docs), documentation improvements, minor number
     handling cleanup, pseudofs for shared inodes.

   - ttm:

     add ability to allocate from both ends

   - i915:

     broadwell features, power domain and runtime pm, per-process
     address space infrastructure (not enabled)

   - msm:

     power management, hdmi audio support

   - nouveau:

     ongoing GPU fault recovery, initial maxwell support, random fixes

   - exynos:

     refactored driver to clean up a lot of abstraction, DP support
     moved into drm, LVDS bridge support added, parallel panel support

   - gma500:

     SGX MMU support, SGX irq handling, asle irq work fixes

   - radeon:

     video engine bringup, ring handling fixes, use dp aux helpers

   - vmwgfx:

     add rendernode support"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (849 commits)
  DRM: armada: fix corruption while loading cursors
  drm/dp_helper: don't return EPROTO for defers (v2)
  drm/bridge: export ptn3460_init function
  drm/exynos: remove MODULE_DEVICE_TABLE definitions
  ARM: dts: exynos4412-trats2: enable exynos/fimd node
  ARM: dts: exynos4210-trats: enable exynos/fimd node
  ARM: dts: exynos4412-trats2: add panel node
  ARM: dts: exynos4210-trats: add panel node
  ARM: dts: exynos4: add MIPI DSI Master node
  drm/panel: add S6E8AA0 driver
  ARM: dts: exynos4210-universal_c210: add proper panel node
  drm/panel: add ld9040 driver
  panel/ld9040: add DT bindings
  panel/s6e8aa0: add DT bindings
  drm/exynos: add DSIM driver
  exynos/dsim: add DT bindings
  drm/exynos: disallow fbdev initialization if no device is connected
  drm/mipi_dsi: create dsi devices only for nodes with reg property
  drm/mipi_dsi: add flags to DSI messages
  Skip intel_crt_init for Dell XPS 8700
  ...
2014-04-08 09:52:16 -07:00
Daniel Jeong f1740e4cff backlight: lm3639: Use devm_backlight_device_register()
Change to use devm_backlight_device_register() for simple cleanup.

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-08 13:20:41 +01:00
Denis Carikli 9a6adb339e backlight: gpio-backlight: Add DT support
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-08 13:20:40 +01:00
Levente Kurusa 35762a47c0 backlight: core: Replace kfree with put_device
As per the comments on device_register, we shouldn't call kfree()
right after a device_register() failure. Instead call put_device(),
which in turn will call bl_device_release resulting in a kfree to the
full structure.

Signed-off-by: Levente Kurusa <levex@linux.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-08 13:20:39 +01:00
Linus Torvalds 0af9fb6391 fbdev changes for 3.15 (OMAP)
This contains OMAP related fbdev changes for 3.15. The bulk of the patches are
 for adding Device Tree support for OMAP Display Subsystem:
 
 * SoCs: OMAP2/3/4
 
 * Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM, OMAP3
   IGEP0020, OMAP3 N900
 
 * Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony acx565akm panel,
   MIPI DSI Command mode panel and HDMI, DVI and Analog TV connectors
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Merge tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull OMAP fbdev changes from Tomi Valkeinen:
 "This is based on the already pulled fbdev-main changes, and this also
  merges .dts branch from Tony Lindgren (which has also been pulled), so
  that I was able to add the display related .dts changes.

  This contains OMAP related fbdev changes for 3.15.  The bulk of the
  patches are for adding Device Tree support for OMAP Display Subsystem:

   - SoCs: OMAP2/3/4

   - Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM,
     OMAP3 IGEP0020, OMAP3 N900

   - Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony
     acx565akm panel, MIPI DSI Command mode panel and HDMI, DVI and
     Analog TV connectors"

* tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (45 commits)
  OMAPDSS: HDMI: fix interlace output
  OMAPDSS: add missing __init for dss_init_ports
  ARM: OMAP2+: remove pdata quirks for displays
  OMAPDSS: remove DT hacks for regulators
  Doc/DT: Add DT binding documentation for tpd12s015 encoder
  Doc/DT: Add DT binding documentation for TFP410 encoder
  Doc/DT: Add DT binding documentation for Sony acx565akm panel
  Doc/DT: Add DT binding documentation for MIPI DSI CM Panel
  Doc/DT: Add DT binding documentation for HDMI Connector
  Doc/DT: Add DT binding documentation for DVI Connector
  Doc/DT: Add DT binding documentation for Analog TV Connector
  ARM: omap3-n900.dts: add display information
  ARM: omap3-igep0020.dts: add display information
  ARM: omap3-beagle-xm.dts: add display information
  ARM: omap3-beagle.dts: add display information
  ARM: omap4-sdp.dts: add display information
  Doc/DT: Add DT binding documentation for OMAP DSS
  OMAPDSS: acx565akm: Add DT support
  OMAPDSS: connector-analog-tv: Add DT support
  OMAPDSS: hdmi-connector: Add DT support
  ...
2014-04-07 10:47:51 -07:00
Linus Torvalds 8e0c083234 fbdev changes for 3.15 (main part)
Various fbdev fixes and improvements, but nothing big.
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Merge tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev changes from Tomi Valkeinen:
 "Various fbdev fixes and improvements, but nothing big"

* tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (38 commits)
  fbdev: Make the switch from generic to native driver less alarming
  Video: atmel: avoid the id of fix screen info is overwritten
  video: imxfb: Add DT default contrast control register property.
  video: atmel_lcdfb: ensure the hardware is initialized with the correct mode
  fbdev: vesafb: add dev->remove() callback
  fbdev: efifb: add dev->remove() callback
  video: pxa3xx-gcu: switch to devres functions
  video: pxa3xx-gcu: provide an empty .open call
  video: pxa3xx-gcu: pass around struct device *
  video: pxa3xx-gcu: rename some symbols
  sisfb: fix 1280x720 resolution support
  video: fbdev: uvesafb: Remove impossible code path in uvesafb_init_info
  video: fbdev: uvesafb: Remove redundant NULL check in uvesafb_remove
  fbdev: FB_OPENCORES should depend on HAS_DMA
  OMAPDSS: convert pixel clock to common videomode style
  OMAPDSS: Remove unused get_context_loss_count support
  OMAPDSS: use DISPC register to detect context loss
  video: da8xx-fb: Use "SIMPLE_DEV_PM_OPS" macro
  video: imxfb: Convert to SIMPLE_DEV_PM_OPS
  video: imxfb: Resolve mismatch between backlight/contrast
  ...
2014-04-04 21:28:36 -07:00
Tomi Valkeinen 0f5d9d2e7d OMAPDSS: HDMI: fix interlace output
The HDMI output video format's yres needs to be divided by two for
interlace. Fix it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-04 09:56:19 +03:00
Tomi Valkeinen 5f0bc7a9ee OMAPDSS: add missing __init for dss_init_ports
dss_init_ports() is missing __init, so fix that.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-04 09:55:18 +03:00
Tomi Valkeinen 931d4bd664 OMAPDSS: remove DT hacks for regulators
For booting Panda and 4430SDP with DT, while DSS did not support DT, we
had to had small hacks in the omapdss driver to get the regulators. With
DT now supported in DSS, we can remove those hacks.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-04 09:55:17 +03:00
Jingoo Han 3d8e4b401c backlight: tps65217_bl: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:11 -07:00
Jingoo Han c6915be435 backlight: platform_lcd: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:11 -07:00
Jingoo Han e1094f9f74 backlight: lms283gf05: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:11 -07:00
Jingoo Han 44d516f99b backlight: lm3533_bl: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:11 -07:00
Jingoo Han 1bd04820b9 backlight: l4f00242t03: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:11 -07:00
Jingoo Han a82bdcfb3b backlight: ili9320: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han 619e1b491b backlight: ili922x: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han aff70f9ab1 backlight: hx8357: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han 3b20b894d4 backlight: corgi_lcd: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han 0167a95698 backlight: adp8870: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han ba464d0c88 backlight: adp8860: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:10 -07:00
Jingoo Han 78b35cf81e backlight: aat2870: remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Jinyoung Park <jinyoungp@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:09 -07:00
Liu Ying 8c16f3303c backlight: update backlight status when necessary
We don't have to update a backlight status every time a blanking or
unblanking event comes because the backlight status may have already
been what we want.  Another thought is that one backlight device may be
shared by multiple framebuffers.  We don't hope blanking one of the
framebuffers may turn the backlight off for all the other framebuffers,
since they are likely being active to display something.

This patch makes the backlight status be updated only when the relevant
backlight device's use count changes from zero to one or from one to
zero.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:09 -07:00
Liu Ying a55944ca82 backlight: update bd state & fb_blank properties when necessary
We don't have to update the state and fb_blank properties of a backlight
device every time a blanking or unblanking event comes because they may
have already been what we want.  Another thought is that one backlight
device may be shared by multiple framebuffers.  The backlight driver
should take the backlight device as a resource shared by all the
associated framebuffers.

This patch adds some logic to record each framebuffer's backlight usage
to determine the backlight device use count and whether the two
properties should be updated or not.  To be more specific, only one
unblank operation on a certain blanked framebuffer may increase the
backlight device's use count by one, while one blank operation on a
certain unblanked framebuffer may decrease the use count by one, because
the userspace is likely to unblank an unblanked framebuffer or blank a
blanked framebuffer.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:09 -07:00
Adam Jackson 13ba0ad449 fbdev: Make the switch from generic to native driver less alarming
Calling this "conflicting" just makes people think there's a problem
when there's not.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-04-03 12:47:16 +03:00
Linus Torvalds 467cbd207a Merge branch 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 old platform removal from Peter Anvin:
 "This patchset removes support for several completely obsolete
  platforms, where the maintainers either have completely vanished or
  acked the removal.  For some of them it is questionable if there even
  exists functional specimens of the hardware"

Geert Uytterhoeven apparently thought this was a April Fool's pull request ;)

* 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, platforms: Remove NUMAQ
  x86, platforms: Remove SGI Visual Workstation
  x86, apic: Remove support for IBM Summit/EXA chipset
  x86, apic: Remove support for ia32-based Unisys ES7000
2014-04-02 13:15:58 -07:00
Linus Torvalds 675c354a95 Char/Misc driver patches for 3.15-rc1
Here's the big char/misc driver updates for 3.15-rc1.
 
 Lots of various things here, including the new mcb driver subsystem.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver patches from Greg KH:
 "Here's the big char/misc driver updates for 3.15-rc1.

  Lots of various things here, including the new mcb driver subsystem.

  All of these have been in linux-next for a while"

* tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (118 commits)
  extcon: Move OF helper function to extcon core and change function name
  extcon: of: Remove unnecessary function call by using the name of device_node
  extcon: gpio: Use SIMPLE_DEV_PM_OPS macro
  extcon: palmas: Use SIMPLE_DEV_PM_OPS macro
  mei: don't use deprecated DEFINE_PCI_DEVICE_TABLE macro
  mei: amthif: fix checkpatch error
  mei: client.h fix checkpatch errors
  mei: use cl_dbg where appropriate
  mei: fix Unnecessary space after function pointer name
  mei: report consistently copy_from/to_user failures
  mei: drop pr_fmt macros
  mei: make me hw headers private to me hw.
  mei: fix memory leak of pending write cb objects
  mei: me: do not reset when less than expected data is received
  drivers: mcb: Fix build error discovered by 0-day bot
  cs5535-mfgpt: Simplify dependencies
  spmi: pm: drop bus-level PM suspend/resume routines
  spmi: pmic_arb: make selectable on ARCH_QCOM
  Drivers: hv: vmbus: Increase the limit on the number of pfns we can handle
  pch_phub: Report error writing MAC back to user
  ...
2014-04-01 16:13:21 -07:00
Sean Paul 2e4e678aa8 drm/exynos: Move dp driver from video/ to drm/
This patch moves the code from video/ to drm/. This is required the DP
driver needs to power on/off in the correct order in relation to fimd.
This will also allow the DP driver to participate in drm modeset as well
as provide accurate connection detection and edid.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-03-24 00:36:34 +09:00
Stephane Marchesin 32175bf9cb drm/exynos: Remove useless slab.h include
Signed-off-by: Stephane Marchesin <marcheu@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-03-24 00:36:27 +09:00
Tomi Valkeinen 17d5ca91cf Merge branch '3.15/dss-dt' into 3.15/fbdev
Merge OMAP DSS DT support
2014-03-20 08:13:50 +02:00
Jean Delvare f167a64e9d video / output: Drop display output class support
It was only ever used by the ACPI video driver, and that only use case
vanished over 3 years ago (see commit 677bd810, "ACPI video: remove
output switching control".) So this is dead code and I guess we can
remove it now.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-20 02:44:59 +01:00
Bo Shen b7e4ab5041 Video: atmel: avoid the id of fix screen info is overwritten
Correct passing parameter sequence, which will avoid the id of
fix screen info is overwritten.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-19 13:03:53 +02:00
Sebastian Reichel 6e7efe4eb8 OMAPDSS: acx565akm: Add DT support
Add DT support for panel-sony-acx565akm

Signed-off-by: Sebastian Reichel <sre@debian.org>
[tomi.valkeinen@ti.com: some modifications]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:11 +02:00
Tomi Valkeinen fcc900a6e4 OMAPDSS: connector-analog-tv: Add DT support
Add DT support for connector-analog-tv.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:10 +02:00
Tomi Valkeinen 0b8879f471 OMAPDSS: hdmi-connector: Add DT support
Add DT support for hdmi-connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:10 +02:00
Tomi Valkeinen 5e4c89c018 OMAPDSS: encoder-tpd12s015: Add DT support
Add DT support for encoder-tpd12s015.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:10 +02:00
Tomi Valkeinen 2cbe2304ba OMAPDSS: connector-dvi: Add DT support
Add DT support for connector-dvi.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:09 +02:00
Tomi Valkeinen cfa71144df OMAPDSS: encoder-tfp410: Add DT support
Add DT support for encoder-tfp410.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:09 +02:00
Tomi Valkeinen cdeeaca2a1 OMAPDSS: panel-dsi-cm: Add DT support
Add DT support for panel-dsi-cm.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:09 +02:00
Tomi Valkeinen 6274a61978 OMAPDSS: Add DT support to DSI
Add the code to make the DSI driver work with device tree on OMAP3 and
OMAP4.

A minor hack is needed at the moment in the DSI driver: the DSS driver
needs to know the ID number of a DSI device, as clocks are routed in
different ways to the DSI devices. At the moment we don't have any
proper way to manage this, so this patchs adds a simple lookup table
that is used to deduce the ID from the DSI device's base address.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:08 +02:00
Tomi Valkeinen a2207021f2 OMAPDSS: Add DT support to VENC
Add DT support to VENC.

In contrast to non-DT version, the DT version gets the invert-polarity
and connector type via venc's endpoint, not from the connector.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:08 +02:00
Tomi Valkeinen 0465616d34 OMAPDSS: Add DT support to HDMI
Add DT support to HDMI driver. The only thing needed for DT support here
is the of_match_table.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:07 +02:00
Tomi Valkeinen d7977f888b OMAPDSS: Add DT support to DISPC
Add DT support to DISPC. Only thing needed here is the of_match_table.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:07 +02:00
Tomi Valkeinen 2ecef24630 OMAPDSS: Add DT support to DSS
Add DT support for DSS. Contrary to the non-DT version, the DSS in DT
mode contains DPI and SDI outputs, which better reflects the hardware.
The non-DT code will be removed after all boards have been converted to
DT, so there's no need to change the non-DT code to act the same way.

The code for DPI and SDI needs to be refined later to make it possible
to add multiple DPI ports. For now, handling just a single DPI port is
enough for all the boards.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:07 +02:00
Tomi Valkeinen e6fa68ba82 OMAPDSS: Improve regulator names for DT
The regulator names used for DSS components are somewhat ugly for DT
use. As we're just adding DT support, it's simple to change the
regulator names.

This patch makes the DSS driver get the regulators with somewhat cleaner
names when bootin with DT. For example, this allows us to define HDMI's
VDDA regulator in the DT data as:

vdda-supply = <...>;

instead of

vdda_hdmi_dac-supply = <...>;

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:06 +02:00
Tomi Valkeinen 4e7470ddca OMAPDSS: add of helpers
Add helpers to get ports and endpoints from DT data.

These helpers parse v4l2 style ports and endpoints, but compared to the
v4l2 helpers, these allow iterating ports and endpoints separately.

This is a temporary solution until we get generic code to parse the
ports and endpoints.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:06 +02:00
Tomi Valkeinen a6ec216493 OMAPFB: search for default display with DT alias
Improve the search for the default display in two ways:
* compare the given display name to the display's alias
* if no display name is given, look for "display0" DT alias

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:06 +02:00
Tomi Valkeinen 4b13defce8 OMAPFB: clean up default display search
Separate the code for finding the default display into a function for
clarity and to make it easier to extend it in the future.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:05 +02:00
Tomi Valkeinen 3e22b35534 OMAPDSS: get dssdev->alias from DT alias
We currently create a "displayX" style alias name for all displays,
using a number that is incremented for each registered display. With the
new DSS device model there is no clear order in which the displays are
registered, and thus the numbering is somewhat random.

This patch improves the behavior for DT case so that if the displays
have been assigned DT aliases, those aliases will be used as DSS
aliases.

This means that "display0" is always the one specified in the DT alias,
and thus display0 can be used as default display in case the user didn't
specify a default display.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:05 +02:00
Tomi Valkeinen 7f2bcd0655 OMAPDSS: add 'label' support for DT
Add support to get the label (i.e. a "nickname") for a display from the
DT data. If there is no label defined, use the display's alias (e.g.
'display0') as a name.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-03-19 11:03:04 +02:00
Denis Carikli cf071d2ab3 video: imxfb: Add DT default contrast control register property.
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-17 12:26:28 +02:00
Antoine Ténart 7d3477d801 video: atmel_lcdfb: ensure the hardware is initialized with the correct mode
If no driver takeover the atmel_lcdfb, the lcd won't be in a working state
since atmel_lcdfb_set_par() will never be called. Enabling a driver which does,
like fbcon, will call the function and put atmel_lcdfb in a working state.

Fixes: b985172b32 (video: atmel_lcdfb: add device tree suport)

Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-12 13:05:50 +02:00
David Herrmann 60231da127 fbdev: vesafb: add dev->remove() callback
If x86-sysfb platform-devices are removed from a system, we should
properly unload vesafb. Otherwise, we end up releasing the parent while
our vesa framebuffer is still running. This currently works just fine, but
will cause problems on handover to real hw. So add the ->remove() callback
and unregister vesafb.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:30:49 +02:00
David Herrmann 65b4021ed6 fbdev: efifb: add dev->remove() callback
If x86-sysfb platform-devices are removed from a system, we should
properly unload efifb. Otherwise, we end up releasing the parent while our
efi framebuffer is still running. This currently works just fine, but will
cause problems on handover to real hw. So add the ->remove() callback and
unregister efifb.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:30:49 +02:00
Daniel Mack a9b47c7f23 video: pxa3xx-gcu: switch to devres functions
Switch to devres allocators to clean up the error unwinding paths.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:04:53 +02:00
Daniel Mack 3437b2b83f video: pxa3xx-gcu: provide an empty .open call
This is necessary in order to make the core set file->private_data to
miscdev in use. We need that information later to dereference the
container of the device, so we can get access to our private struct from
other callbacks.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:04:49 +02:00
Daniel Mack 9e4f9675be video: pxa3xx-gcu: pass around struct device *
Instead of passing around struct platform_device, use struct device.
That saves one level of dereference. Also, call platform devices pdev,
and provide a shortcut for &pdev->dev.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:04:45 +02:00
Daniel Mack 109393afc8 video: pxa3xx-gcu: rename some symbols
Prefix some functions with more specific names. While at it, kill some
stray newlines and other coding style related minor things.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 15:04:33 +02:00
Dan Carpenter d677d2c6ef sisfb: fix 1280x720 resolution support
It uses the wrong mode index because there is no break statement.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-07 14:19:55 +02:00
Wang YanQing 92559977dd video: fbdev: uvesafb: Remove impossible code path in uvesafb_init_info
Because uvesafb_vbe_init will fail when get zero avaiable modes,
and we have checked the return value of uvesafb_vbe_init_mode,
so it is impossible to pass NULL as mode into uvesafb_init_info.

[ This patch fix warning report by fengguang.wu@intel.com
  "drivers/video/fbdev/uvesafb.c:1509 uvesafb_init_info()
   error: we previously assumed 'mode' could be null" ]

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-06 11:29:40 +02:00
Wang YanQing a57aa93f44 video: fbdev: uvesafb: Remove redundant NULL check in uvesafb_remove
Because uvesafb_par is allocated as part of fb_info in uvesafb_probe,
so we don't need to do NULL check for both fb_info and uvesafb_par in
uvesafb_remove.

[ This patch also fix a warning report by fengguang.wu@intel.com
  "drivers/video/fbdev/uvesafb.c:1815 uvesafb_remove()
   warn: variable dereferenced before check 'par'" ]

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-06 11:29:39 +02:00
Geert Uytterhoeven 2925b0d78f fbdev: FB_OPENCORES should depend on HAS_DMA
If NO_DMA=y:

    drivers/built-in.o: In function `ocfb_remove':
    ocfb.c:(.text+0x27fee): undefined reference to `dma_free_coherent'
    drivers/built-in.o: In function `ocfb_probe':
    ocfb.c:(.text+0x28418): undefined reference to `dma_alloc_coherent'
    ocfb.c:(.text+0x284d2): undefined reference to `dma_free_coherent'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-05 14:42:45 +02:00
Tomi Valkeinen d8d789416a OMAPDSS: convert pixel clock to common videomode style
omapdss has its own video-timings struct, but we want to move the common
videomode.

The first step is to change the omapdss's pixelclock unit from kHz to
Hz. Also, omapdss uses "pixel_clock" field name, whereas the common
videomode uses "pixelclock" field name. This patch changes the field
name also, as that makes it easy to spot any non-converted pixel_clock
uses.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-03-05 08:33:30 +02:00
Gerd Hoffmann e5bb7425e5 hyperv-fb: kick off efifb early
Remove firmware framebuffer before initializing hyperv-fb.  Needed
on gen2 virtual machines.   Letting register_framebuffer handle the
switchover results in efifb still being active while hyperv graphics
are initialized, which in turn can make the linux kernel hang.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 15:31:39 -08:00
Gerd Hoffmann 9069fd5496 hyperv-fb: add support for generation 2 virtual machines.
UEFI-based generation 2 virtual machines support vmbus devices only.
There is no pci bus.  Thus they use a different mechanism for the
graphics framebuffer:  Instead of using the vga pci bar a chunk of
memory muct be allocated from the hyperv mmio region declared using
APCI.  This patch implements support for it.

Based on a patch by Haiyang Zhang <haiyangz@microsoft.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 15:31:39 -08:00
Tomi Valkeinen eba358435b OMAPDSS: Remove unused get_context_loss_count support
The omapdss driver no longer uses get_context_loss_count call, so we can
remove it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-02-28 12:35:43 +02:00
Tomi Valkeinen 9229b5165b OMAPDSS: use DISPC register to detect context loss
Instead of relying on the OMAP specific
omap_pm_get_dev_context_loss_count() to detect register context loss, we
can achieve the same in a much simpler way by just observing the DISPC
registers.

We always set DISPC's load mode to LOAD_FRAME_ONLY, which is not the
reset value. Thus we can just observe the load mode to see if we have
lost register context.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-02-28 12:35:42 +02:00
Manish Badarkhe 622f7c9b9a video: da8xx-fb: Use "SIMPLE_DEV_PM_OPS" macro
Update driver to use SIMPLE_DEV_PM_OPS macro for power
management suspend and resume operations.

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-28 12:35:42 +02:00
Alexander Shiyan f1d2ff8b9d video: imxfb: Convert to SIMPLE_DEV_PM_OPS
Instead of assigning the pm_ops fields individually we can simply
use SIMPLE_DEV_PM_OPS.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-28 12:35:37 +02:00
Alexander Shiyan f590f99ab9 video: imxfb: Resolve mismatch between backlight/contrast
Currently, driver uses backlight class to control contrast value.
This is not correct. This patch resolves this issue by removing
backlight class from the driver and replace handling of LCDC PWM
Contrast Control Register by contrast control through LCD class.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-28 12:35:32 +02:00
Alexander Shiyan de5013627f video: imxfb: Use module_platform_driver()
We have no reason to call fb_get_options() when registering module,
so move this call in the probe() and convert the driver to use
module_platform_driver() macro.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-28 12:35:28 +02:00
Alexander Shiyan b7d2d37276 video: imxfb: Remove unused fields from platform data structure
Some fields in platform data structure is never used by boards.
This patch removes these fields and as a result optimizes private
driver structure a bit. Additionally patch removes backligh_power()
callback, so if it will be needed in the future, this feature should
be added as pwm{gpio,etc.}-regulator to the board code or in the DTS.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-28 12:35:22 +02:00
H. Peter Anvin c5f9ee3d66 x86, platforms: Remove SGI Visual Workstation
The SGI Visual Workstation seems to be dead; remove support so we
don't have to continue maintaining it.

Cc: Andrey Panin <pazke@donpac.ru>
Cc: Michael Reed <mdr@sgi.com>
Link: http://lkml.kernel.org/r/530CFD6C.7040705@zytor.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-02-27 08:07:39 -08:00
Greg Kroah-Hartman ba4b60e85d Merge 3.14-rc3 into char-misc-next
We need the fixes here for future mei and other patches.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-18 08:09:40 -08:00
Sachin Kamat 6a582bd529 video: s6e8ax0: Use devm_* APIs
devm_* APIs make the cleanup paths simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-14 13:39:52 +02:00
Sachin Kamat 07e521b66c video: exynos: Remove OF dependency for Exynos DP
OF dependency can be removed as the driver does not actually
depend on it at all.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-14 13:37:08 +02:00
Denis Carikli b359bb0d9c video: Kconfig: Allow more broad selection of the imxfb framebuffer driver.
Without that patch, a user can't select the imxfb driver when the i.MX25
and/or the i.MX27 device tree board are selected and that no boards that
selects IMX_HAVE_PLATFORM_IMX_FB are compiled in.

Cc: Eric Bénard <eric@eukrea.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-14 10:44:52 +02:00
Sachin Kamat 31d6af2906 video: exynos: Fix S6E8AX0 LCD driver build error
Enable S6E8AX0 LCD driver only if LCD_CLASS_DEVICE is a built-in driver.
Else we get the following errors due to missing symbols:
drivers/built-in.o: In function `s6e8ax0_probe':
:(.text+0x51aec): undefined reference to `lcd_device_register'
:(.text+0x51c44): undefined reference to `lcd_device_unregister'

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-14 10:44:51 +02:00
Tomi Valkeinen c56812fc85 OMAPDSS: fix fck field types
'fck' field in dpi and sdi clock calculation struct is 'unsigned long
long', even though it should be 'unsigned long'. This hasn't caused any
issues so far.

Fix the field's type.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 16:19:46 +02:00
Tomi Valkeinen eec77da274 OMAPDSS: DISPC: decimation rounding fix
The driver uses DIV_ROUND_UP when calculating decimated width & height.
For example, when decimating with 3, the width is calculated as:

  width = DIV_ROUND_UP(width, decim_x);

This yields bad results for some values. For example, 800/3=266.666...,
which is rounded to 267. When the input width is set to 267, and pixel
increment is set to 3, this causes the dispc to read a line of 801
pixels, i.e. it reads a wrong pixel at the end of the line.

Even more pressing, the above rounding causes a BUG() in pixinc(), as
the value of 801 is used to calculate row increment, leading to a bad
value being passed to pixinc().

This patch fixes the decimation by removing the DIV_ROUND_UP()s when
calculating width and height for decimation.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 16:19:41 +02:00
Michal Simek c4a41bcc17 video: xilinxfb: Move xilinxfb_platform_data directly to the driver
No reason to have separate file in header in include/linux folder
if this is purely driver specific structure.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:11:56 +02:00
Alexander Shiyan 9fe21fdc5f video: imxfb: Use regulator API with LCD class for powering
This patch replaces custom lcd_power() callback with
regulator API over LCD class.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:10:17 +02:00
Mikulas Patocka e62cabb5e9 tgafb: avoid restriction on modes with line length not a multiple of 64
In tgafb there is a restriction that prevents the user from setting a
videomode with line length not a multiple of 64 bytes (for example,
800x600 is not allowed).

The reason for this restriction it that functions copyarea_line_8bpp and
copyarea_line_32bpp can not handle a line length that is not a multiple
of 64 bytes.

This patch removes this restriction on mode setting and makes sure that
the functions copyarea_line_8bpp and copyarea_line_32bpp are called only
if line length is a multiple of 64 bytes. If we set a mode 800x600,
the functions copyarea_line_8bpp and copyarea_line_32bpp are not used,
generic functions for copying are used instead and it works just fine.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:05 +02:00
Mikulas Patocka 6b0df6827b tgafb: fix data copying
The functions for data copying copyarea_foreward_8bpp and
copyarea_backward_8bpp are buggy, they produce screen corruption.

This patch fixes the functions and moves the logic to one function
"copyarea_8bpp". For simplicity, the function only handles copying that
is aligned on 8 pixes. If we copy an unaligned area, generic function
cfb_copyarea is used.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka 6249665890 tgafb: fix mode setting with fbset
Mode setting in the TGA driver is broken for these reasons:

- info->fix.line_length is set just once in tgafb_init_fix function. If
  we change videomode, info->fix.line_length is not recalculated - so
  the video mode is changed but the screen is corrupted because of wrong
  info->fix.line_length.

- info->fix.smem_len is set in tgafb_init_fix to the size of the default
  video mode (640x480). If we set a higher resolution,
  info->fix.smem_len is smaller than the current screen size, preventing
  the userspace program from mapping the framebuffer.

This patch fixes it:

- info->fix.line_length initialization is moved to tgafb_set_par so that
  it is recalculated with each mode change.

- info->fix.smem_len is set to a fixed value representing the real
  amount of video ram (the values are taken from xfree86 driver).

- add a check to tgafb_check_var to prevent us from setting a videomode
  that doesn't fit into videoram.

- in tgafb_register, tgafb_init_fix is moved upwards, to be called
  before fb_find_mode (because fb_find_mode already needs the videoram
  size set in tgafb_init_fix).

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vga.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka 43751a1b8e mach64: fix cursor when character width is not a multiple of 8 pixels
This patch fixes the hardware cursor on mach64 when font width is not a
multiple of 8 pixels.

If you load such a font, the cursor is expanded to the next 8-byte
boundary and a part of the next character after the cursor is not
visible.
For example, when you load a font with 12-pixel width, the cursor width
is 16 pixels and when the cursor is displayed, 4 pixels of the next
character are not visible.

The reason is this: atyfb_cursor is called with proper parameters to
load an image that is 12-pixel wide. However, the number is aligned on
the next 8-pixel boundary on the line
"unsigned int width = (cursor->image.width + 7) >> 3;" and the whole
function acts as it is was loading a 16-pixel image.

This patch fixes it so that the value written to the framebuffer is
padded with 0xaaaa (the transparent pattern) when the image size it not
a multiple of 8 pixels. The transparent pattern causes that the cursor
will not interfere with the next character.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka c38882e37e atyfb: set FBINFO_READS_FAST
Set FBINFO_READS_FAST so that the console code uses scrolling instead of
rewriting. This improves scrolling speed.

A time to do ls -la /usr/bin:
	original patched
32bpp	4.9	3.6
24bpp	4.9	2.9
16bpp	4.9	2.1
8bpp	4.9	1.7

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka c29dd8696d mach64: use unaligned access
This patch fixes mach64 to use unaligned access to the font bitmap.

This fixes unaligned access warning on sparc64 when 14x8 font is loaded.

On x86(64), unaligned access is handled in hardware, so both functions
le32_to_cpup and get_unaligned_le32 perform the same operation.

On RISC machines, unaligned access is not handled in hardware, so we
better use get_unaligned_le32 to avoid the unaligned trap and warning.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka bf26e6d2fe atyfb: remove resolution limit 1600
The card works fine in 1980x1080 resolution. Therefore, there is no need
to limit the resolution to 1600 pixels.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka 00a9d699bc framebuffer: fix cfb_copyarea
The function cfb_copyarea is buggy when the copy operation is not aligned on
long boundary (4 bytes on 32-bit machines, 8 bytes on 64-bit machines).

How to reproduce:
- use x86-64 machine
- use a framebuffer driver without acceleration (for example uvesafb)
- set the framebuffer to 8-bit depth
	(for example fbset -a 1024x768-60 -depth 8)
- load a font with character width that is not a multiple of 8 pixels
	note: the console-tools package cannot load a font that has
	width different from 8 pixels. You need to install the packages
	"kbd" and "console-terminus" and use the program "setfont" to
	set font width (for example: setfont Uni2-Terminus20x10)
- move some text left and right on the bash command line and you get a
	screen corruption

To expose more bugs, put this line to the end of uvesafb_init_info:
info->flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_READS_FAST;
- Now framebuffer console will use cfb_copyarea for console scrolling.
You get a screen corruption when console is scrolled.

This patch is a rewrite of cfb_copyarea. It fixes the bugs, with this
patch, console scrolling in 8-bit depth with a font width that is not a
multiple of 8 pixels works fine.

The cfb_copyarea code was very buggy and it looks like it was written
and never tried with non-8-pixel font.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka a772d47366 matroxfb: restore the registers M_ACCESS and M_PITCH
When X11 is running and the user switches back to console, the card
modifies the content of registers M_MACCESS and M_PITCH in periodic
intervals.

This patch fixes it by restoring the content of these registers before
issuing any accelerator command.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Mikulas Patocka a2317e6a57 matroxfb: set FBINFO_READS_FAST
Set FBINFO_READS_FAST so that the console code uses scrolling instead of
rewriting. This improves scrolling speed.

A time to do ls -la /usr/bin:
	original patched
32bpp	5.4	3.6
24bpp	5.1	3.0
16bpp	4.9	2.5
8bpp	4.9	2.0

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 15:01:04 +02:00
Keith Packard 5f4dc28bd9 fbcon: Clean up fbcon data in fb_info on FB_EVENT_FB_UNBIND with 0 fbs
When FB_EVENT_FB_UNBIND is sent, fbcon has two paths, one path taken
when there is another frame buffer to switch any affected vcs to and
another path when there isn't.

In the case where there is another frame buffer to use,
fbcon_fb_unbind calls set_con2fb_map to remap all of the affected vcs
to the replacement frame buffer. set_con2fb_map will eventually call
con2fb_release_oldinfo when the last vcs gets unmapped from the old
frame buffer.

con2fb_release_oldinfo frees the fbcon data that is hooked off of the
fb_info structure, including the cursor timer.

In the case where there isn't another frame buffer to use,
fbcon_fb_unbind simply calls fbcon_unbind, which doesn't clear the
con2fb_map or free the fbcon data hooked from the fb_info
structure. In particular, it doesn't stop the cursor blink timer. When
the fb_info structure is then freed, we end up with a timer queue
pointing into freed memory and "bad things" start happening.

This patch first changes con2fb_release_oldinfo so that it can take a
NULL pointer for the new frame buffer, but still does all of the
deallocation and cursor timer cleanup.

Finally, the patch tries to replicate some of what set_con2fb_map does
by clearing the con2fb_map for the affected vcs and calling the
modified con2fb_release_info function to clean up the fb_info structure.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-02-11 14:16:22 +02:00
David Fries ac8f73305e connector: add portid to unicast in addition to broadcasting
This allows replying only to the requestor portid while still
supporting broadcasting.  Pass 0 to portid for the previous behavior.

Signed-off-by: David Fries <David@Fries.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-07 15:40:17 -08:00
Helge Deller 8a10bc9d27 parisc/sti_console: prefer Linux fonts over built-in ROM fonts
The built-in ROM fonts lack many necessary ASCII characters, which is
why it makes sens to prefer the Linux fonts instead if they are
available.  This makes consoles on STI graphics cards which are not
supported by the stifb driver (e.g. Visualize FXe) looks much nicer.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
2014-02-02 20:56:47 +01:00
Levente Kurusa 54f5968db9 drivers/video/backlight/lcd.c: call put_device if device_register fails
Currently we kfree the container of the device which failed to register.
This is wrong as the last reference is not given up with a put_device
call.  Also, now that we have put_device() callen, we no longer need the
kfree as the new_ld->dev.release function will take care of kfreeing the
associated memory.

Signed-off-by: Levente Kurusa <levex@linux.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-30 16:56:54 -08:00
Linus Torvalds 9b0cd304f2 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "Been a bit busy, first week of kids school, and waiting on other trees
  to go in before I could send this, so its a bit later than I'd
  normally like.

  Highlights:
   - core:
      timestamp fixes, lots of misc cleanups
   - new drivers:
      bochs virtual vga
   - vmwgfx:
      major overhaul for their nextgen virt gpu.
   - i915:
      runtime D3 on HSW, watermark fixes, power well work, fbc fixes,
      bdw is no longer prelim.
   - nouveau:
      gk110/208 acceleration, more pm groundwork, old overlay support
   - radeon:
      dpm rework and clockgating for CIK, pci config reset, big endian
      fixes
   - tegra:
      panel support and DSI support, build as module, prime.
   - armada, omap, gma500, rcar, exynos, mgag200, cirrus, ast:
      fixes
   - msm:
      hdmi support for mdp5"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (595 commits)
  drm/nouveau: resume display if any later suspend bits fail
  drm/nouveau: fix lock unbalance in nouveau_crtc_page_flip
  drm/nouveau: implement hooks for needed for drm vblank timestamping support
  drm/nouveau/disp: add a method to fetch info needed by drm vblank timestamping
  drm/nv50: fill in crtc mode struct members from crtc_mode_fixup
  drm/radeon/dce8: workaround for atom BlankCrtc table
  drm/radeon/DCE4+: clear bios scratch dpms bit (v2)
  drm/radeon: set si_notify_smc_display_change properly
  drm/radeon: fix DAC interrupt handling on DCE5+
  drm/radeon: clean up active vram sizing
  drm/radeon: skip async dma init on r6xx
  drm/radeon/runpm: don't runtime suspend non-PX cards
  drm/radeon: add ring to fence trace functions
  drm/radeon: add missing trace point
  drm/radeon: fix VMID use tracking
  drm: ast,cirrus,mgag200: use drm_can_sleep
  drm/gma500: Lock struct_mutex around cursor updates
  drm/i915: Fix the offset issue for the stolen GEM objects
  DRM: armada: fix missing DRM_KMS_FB_HELPER select
  drm/i915: Decouple GPU error reporting from ring initialisation
  ...
2014-01-29 20:49:12 -08:00
Dave Airlie dee13f12f6 omapdrm patches for 3.14
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Merge tag 'omapdrm-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next

omapdrm patches for 3.14

* tag 'omapdrm-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  drm/omap: Enable DT support for DMM
  drm/omap: fix: change dev_unload order
  drm/omap: fix: disable encoder before destroying it
  drm/omap: fix: disconnect devices when omapdrm module is removed
  drm/omap: fix: Defer probe if an omapdss device requests for it at connect
  drm/omap: fix (un)registering irqs inside an irq handler

Conflicts:
	drivers/gpu/drm/omapdrm/omap_drv.c
2014-01-29 09:37:47 +10:00
Linus Torvalds 398b60a8de pwm: Changes for v3.14-rc1
The patches for this release cycle include various enhancements (device
 tree support, better compile coverage, ...) for existing drivers. There
 is a new driver for Atmel SoCs.
 
 Various drivers as well as the sysfs support received minor fixes and
 cleanups.
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Merge tag 'pwm/for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm changes from Thierry Reding:
 "The patches for this release cycle include various enhancements
  (device tree support, better compile coverage, ...) for existing
  drivers.  There is a new driver for Atmel SoCs.

  Various drivers as well as the sysfs support received minor fixes and
  cleanups"

* tag 'pwm/for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: tiecap: Remove duplicate put_sync call
  pwm: tiehrpwm: use dev_err() instead of pr_err()
  pwm: pxa: remove unnecessary space before tabs
  pwm: ep93xx: split module author names
  pwm: use seq_puts() instead of seq_printf()
  pwm: atmel-pwm: Do not unprepare clock after successful registration
  of: Add Atmel PWM controller device tree binding
  pwm: atmel-pwm: Add Atmel PWM controller driver
  backlight: pwm_bl: Remove error message upon devm_kzalloc() failure
  pwm: pca9685: depends on I2C rather than REGMAP_I2C
  pwm: renesas-tpu: Enable driver compilation with COMPILE_TEST
  pwm: jz4740: Use devm_clk_get()
  pwm: jz4740: Pass device to clk_get()
  pwm: sysfs: Convert to use ATTRIBUTE_GROUPS macro
  pwm: pxa: Add device tree support
2014-01-27 08:15:51 -08:00
Linus Torvalds b788769e06 fbdev changes for 3.14
This is a rather boring pull request. There is one new fb driver, OpenCores
 VGA/LCD, but other than that it's just minor cleanups and fixes.
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Merge tag 'fbdev-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev changes from Tomi Valkeinen:
 "This is a rather boring pull request.  There is one new fb driver,
  OpenCores VGA/LCD, but other than that it's just minor cleanups and
  fixes"

* tag 'fbdev-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (51 commits)
  i810: delete useless variable
  video: add OpenCores VGA/LCD framebuffer driver
  video/logo: Remove MIPS-specific include section
  tgafb: potential NULL dereference in init
  video: mmp: Using plain integer as NULL pointer
  video: mmp: delete a stray mutex_unlock()
  video: amba-clcd: Make CLCD driver available on more platforms
  video: Replace local macro with PCI standard macro
  fbmem: really support wildcard video=options for all fbdev drivers
  video: vgacon: Don't build on arm64
  video: mx3fb: Allow blocking during framebuffer allocation
  fbcon: Fix memory leak in fbcon_exit().
  fbcon: trivial optimization for fbcon_exit
  video: pxa168fb: Cleanup pxa168fb.h file
  video: pxa: Cleanup video-pxafb.h header
  video: msm: Cleanup video-msm_fb.h header
  video: ep93xx: Cleanup video-ep93xx.h header
  video: mxsfb: fix broken videomode selection
  video: mxsfb: convert pr_debug()/dev_dbg() to pr_err()/dev_err() for error messages
  video: vmlfb: remove unnecessary pci_set_drvdata()
  ...
2014-01-24 17:16:31 -08:00
Jingoo Han 68585c41c9 backlight: lp8788: remove unnecessary parentheses
Remove unnecessary parentheses in order to fix the following checkpatch
error.

  ERROR: return is not a function, parentheses are not required

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:57 -08:00
Jingoo Han 2ce2386072 backlight: lp855x: remove unnecessary parentheses
Remove unnecessary parentheses in order to fix the following checkpatch
error.

  ERROR: return is not a function, parentheses are not required

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:57 -08:00
Jingoo Han 81f5cdc1b2 backlight: kb3886_bl: fix incorrect placement of __initdata marker
The __initdata marker can be virtually anywhere on the line, EXCEPT right
after "struct".  The preferred location is before the "=" sign if there is
one, or before the trailing ";" otherwise.  It also fixes the following
chechpatch warning.

  WARNING: __initdata should be placed after kb3886bl_device_table[]

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:57 -08:00
Jingoo Han 0f53449d69 backlight: tosa: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:57 -08:00
Jingoo Han 7dd7807736 backlight: l4f00242t03: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han 964598f239 backlight: jornada720: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han ffb1f6c83b backlight: tosa: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han 443956fdd5 backlight: ot200_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han c76d1022b4 backlight: omap1: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han 0561c1794a backlight: hp680_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
Jingoo Han 0ec585d320 backlight: jornada720: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:56 -08:00
David Howells a79530e4d8 drivers/video/aty/aty128fb.c: fix a warning pertaining to the aty128fb backlight variable
Fix the following warning in the aty128fb driver:

	drivers/video/aty/aty128fb.c:363:12: warning: 'backlight' defined but not used [-Wunused-variable]
	 static int backlight = 0;
		    ^

as the variable's value is only read if CONFIG_FB_ATY128_BACKLIGHT=y.  The
variable is also set if MODULE is unset[*].

[*] I wonder if the conditional wrapper around aty128fb_setup() should be
    using CONFIG_MODULE rather than MODULE.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23 16:36:55 -08:00
Linus Torvalds 84621c9b18 Features:
- FIFO event channels. Key advantages: support for over 100,000 events (2^17),
    16 different event priorities, improved fairness in event latency through
    the use of FIFOs.
  - Xen PVH support. "It’s a fully PV kernel mode, running with paravirtualized
    disk and network, paravirtualized interrupts and timers, no emulated devices
    of any kind (and thus no qemu), no BIOS or legacy boot — but instead of
    requiring PV MMU, it uses the HVM hardware extensions to virtualize the
    pagetables, as well as system calls and other privileged operations."
    (from "The Paravirtualization Spectrum, Part 2: From poles to a spectrum")
 Bug-fixes:
  - Fixes in balloon driver (refactor and make it work under ARM)
  - Allow xenfb to be used in HVM guests.
  - Allow xen_platform_pci=0 to work properly.
  - Refactors in event channels.
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Merge tag 'stable/for-linus-3.14-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen updates from Konrad Rzeszutek Wilk:
 "Two major features that Xen community is excited about:

  The first is event channel scalability by David Vrabel - we switch
  over from an two-level per-cpu bitmap of events (IRQs) - to an FIFO
  queue with priorities.  This lets us be able to handle more events,
  have lower latency, and better scalability.  Good stuff.

  The other is PVH by Mukesh Rathor.  In short, PV is a mode where the
  kernel lets the hypervisor program page-tables, segments, etc.  With
  EPT/NPT capabilities in current processors, the overhead of doing this
  in an HVM (Hardware Virtual Machine) container is much lower than the
  hypervisor doing it for us.

  In short we let a PV guest run without doing page-table, segment,
  syscall, etc updates through the hypervisor - instead it is all done
  within the guest container.  It is a "hybrid" PV - hence the 'PVH'
  name - a PV guest within an HVM container.

  The major benefits are less code to deal with - for example we only
  use one function from the the pv_mmu_ops (which has 39 function
  calls); faster performance for syscall (no context switches into the
  hypervisor); less traps on various operations; etc.

  It is still being baked - the ABI is not yet set in stone.  But it is
  pretty awesome and we are excited about it.

  Lastly, there are some changes to ARM code - you should get a simple
  conflict which has been resolved in #linux-next.

  In short, this pull has awesome features.

  Features:
   - FIFO event channels.  Key advantages: support for over 100,000
     events (2^17), 16 different event priorities, improved fairness in
     event latency through the use of FIFOs.
   - Xen PVH support.  "It’s a fully PV kernel mode, running with
     paravirtualized disk and network, paravirtualized interrupts and
     timers, no emulated devices of any kind (and thus no qemu), no BIOS
     or legacy boot — but instead of requiring PV MMU, it uses the HVM
     hardware extensions to virtualize the pagetables, as well as system
     calls and other privileged operations." (from "The
     Paravirtualization Spectrum, Part 2: From poles to a spectrum")

  Bug-fixes:
   - Fixes in balloon driver (refactor and make it work under ARM)
   - Allow xenfb to be used in HVM guests.
   - Allow xen_platform_pci=0 to work properly.
   - Refactors in event channels"

* tag 'stable/for-linus-3.14-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (52 commits)
  xen/pvh: Set X86_CR0_WP and others in CR0 (v2)
  MAINTAINERS: add git repository for Xen
  xen/pvh: Use 'depend' instead of 'select'.
  xen: delete new instances of __cpuinit usage
  xen/fb: allow xenfb initialization for hvm guests
  xen/evtchn_fifo: fix error return code in evtchn_fifo_setup()
  xen-platform: fix error return code in platform_pci_init()
  xen/pvh: remove duplicated include from enlighten.c
  xen/pvh: Fix compile issues with xen_pvh_domain()
  xen: Use dev_is_pci() to check whether it is pci device
  xen/grant-table: Force to use v1 of grants.
  xen/pvh: Support ParaVirtualized Hardware extensions (v3).
  xen/pvh: Piggyback on PVHVM XenBus.
  xen/pvh: Piggyback on PVHVM for grant driver (v4)
  xen/grant: Implement an grant frame array struct (v3).
  xen/grant-table: Refactor gnttab_init
  xen/grants: Remove gnttab_max_grant_frames dependency on gnttab_init.
  xen/pvh: Piggyback on PVHVM for event channels (v2)
  xen/pvh: Update E820 to work with PVH (v2)
  xen/pvh: Secondary VCPU bringup (non-bootup CPUs)
  ...
2014-01-22 22:00:18 -08:00
Linus Torvalds bb1281f2aa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "Usual rocket science stuff from trivial.git"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  neighbour.h: fix comment
  sched: Fix warning on make htmldocs caused by wait.h
  slab: struct kmem_cache is protected by slab_mutex
  doc: Fix typo in USB Gadget Documentation
  of/Kconfig: Spelling s/one/once/
  mkregtable: Fix sscanf handling
  lp5523, lp8501: comment improvements
  thermal: rcar: comment spelling
  treewide: fix comments and printk msgs
  IXP4xx: remove '1 &&' from a condition check in ixp4xx_restart()
  Documentation: update /proc/uptime field description
  Documentation: Fix size parameter for snprintf
  arm: fix comment header and macro name
  asm-generic: uaccess: Spelling s/a ny/any/
  mtd: onenand: fix comment header
  doc: driver-model/platform.txt: fix a typo
  drivers: fix typo in DEVTMPFS_MOUNT Kconfig help text
  doc: Fix typo (acces_process_vm -> access_process_vm)
  treewide: Fix typos in printk
  drivers/gpu/drm/qxl/Kconfig: reformat the help text
  ...
2014-01-22 21:21:55 -08:00
Linus Torvalds e1ba84597c PCI changes for the v3.14 merge window:
Resource management
     - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
     - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
     - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
     - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
     - Enforce bus address limits in resource allocation (Yinghai Lu)
     - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
     - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)
 
   PCI device hotplug
     - Major rescan/remove locking update (Rafael J. Wysocki)
     - Make ioapic builtin only (not modular) (Yinghai Lu)
     - Fix release/free issues (Yinghai Lu)
     - Clean up pciehp (Bjorn Helgaas)
     - Announce pciehp slot info during enumeration (Bjorn Helgaas)
 
   MSI
     - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
     - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
     - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
     - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
     - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)
 
   SR-IOV
     - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)
 
   Virtualization
     - Add support for save/restore of extended capabilities (Alex Williamson)
     - Add Virtual Channel to save/restore support (Alex Williamson)
     - Never treat a VF as a multifunction device (Alex Williamson)
     - Add pci_try_reset_function(), et al (Alex Williamson)
 
   AER
     - Ignore non-PCIe error sources (Betty Dall)
     - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
     - Consolidate HEST error source parsers (Bjorn Helgaas)
     - Add a TLP header print helper (Borislav Petkov)
 
   Freescale i.MX6
     - Remove unnecessary code (Fabio Estevam)
     - Make reset-gpio optional (Marek Vasut)
     - Report "link up" only after link training completes (Marek Vasut)
     - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
     - Fix PCIe startup code (Richard Zhu)
 
   Marvell MVEBU
     - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
     - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
     - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
     - Support a bridge with no IO port window (Jason Gunthorpe)
     - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
     - Remove redundant of_match_ptr (Sachin Kamat)
     - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)
 
   NVIDIA Tegra
     - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)
 
   Renesas R-Car
     - Add runtime PM support (Valentine Barshak)
     - Fix rcar_pci_probe() return value check (Wei Yongjun)
 
   Synopsys DesignWare
     - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
     - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
     - Fix missing MSI IRQs (Harro Haan)
     - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
     - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
     - Whitespace cleanup (Jingoo Han)
 
   EISA
     - Call put_device() if device_register() fails (Levente Kurusa)
     - Revert EISA initialization breakage ((Bjorn Helgaas)
 
   Miscellaneous
     - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
     - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
     - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
     - Use dev_is_pci() to identify PCI devices (Yijing Wang)
     - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
     - Update documentation 00-INDEX (Erik Ekman)
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Merge tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v3.14 merge window:

  Resource management
    - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
    - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
    - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
    - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
    - Enforce bus address limits in resource allocation (Yinghai Lu)
    - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
    - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)

  PCI device hotplug
    - Major rescan/remove locking update (Rafael J. Wysocki)
    - Make ioapic builtin only (not modular) (Yinghai Lu)
    - Fix release/free issues (Yinghai Lu)
    - Clean up pciehp (Bjorn Helgaas)
    - Announce pciehp slot info during enumeration (Bjorn Helgaas)

  MSI
    - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
    - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
    - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
    - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
    - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)

  SR-IOV
    - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)

  Virtualization
    - Add support for save/restore of extended capabilities (Alex Williamson)
    - Add Virtual Channel to save/restore support (Alex Williamson)
    - Never treat a VF as a multifunction device (Alex Williamson)
    - Add pci_try_reset_function(), et al (Alex Williamson)

  AER
    - Ignore non-PCIe error sources (Betty Dall)
    - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
    - Consolidate HEST error source parsers (Bjorn Helgaas)
    - Add a TLP header print helper (Borislav Petkov)

  Freescale i.MX6
    - Remove unnecessary code (Fabio Estevam)
    - Make reset-gpio optional (Marek Vasut)
    - Report "link up" only after link training completes (Marek Vasut)
    - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
    - Fix PCIe startup code (Richard Zhu)

  Marvell MVEBU
    - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
    - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
    - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
    - Support a bridge with no IO port window (Jason Gunthorpe)
    - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
    - Remove redundant of_match_ptr (Sachin Kamat)
    - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)

  NVIDIA Tegra
    - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)

  Renesas R-Car
    - Add runtime PM support (Valentine Barshak)
    - Fix rcar_pci_probe() return value check (Wei Yongjun)

  Synopsys DesignWare
    - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
    - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
    - Fix missing MSI IRQs (Harro Haan)
    - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
    - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
    - Whitespace cleanup (Jingoo Han)

  EISA
    - Call put_device() if device_register() fails (Levente Kurusa)
    - Revert EISA initialization breakage ((Bjorn Helgaas)

  Miscellaneous
    - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
    - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
    - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
    - Use dev_is_pci() to identify PCI devices (Yijing Wang)
    - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
    - Update documentation 00-INDEX (Erik Ekman)"

* tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (119 commits)
  Revert "EISA: Initialize device before its resources"
  Revert "EISA: Log device resources in dmesg"
  vfio-pci: Use pci "try" reset interface
  PCI: Check parent kobject in pci_destroy_dev()
  xen/pcifront: Use global PCI rescan-remove locking
  powerpc/eeh: Use global PCI rescan-remove locking
  PCI: Fix pci_check_and_unmask_intx() comment typos
  PCI: Add pci_try_reset_function(), pci_try_reset_slot(), pci_try_reset_bus()
  MPT / PCI: Use pci_stop_and_remove_bus_device_locked()
  platform / x86: Use global PCI rescan-remove locking
  PCI: hotplug: Use global PCI rescan-remove locking
  pcmcia: Use global PCI rescan-remove locking
  ACPI / hotplug / PCI: Use global PCI rescan-remove locking
  ACPI / PCI: Use global PCI rescan-remove locking in PCI root hotplug
  PCI: Add global pci_lock_rescan_remove()
  PCI: Cleanup pci.h whitespace
  PCI: Reorder so actual code comes before stubs
  PCI/AER: Support ACPI HEST AER error sources for PCI domains other than 0
  ACPICA: Add helper macros to extract bus/segment numbers from HEST table.
  PCI: Make local functions static
  ...
2014-01-22 16:39:28 -08:00
Linus Torvalds 8cf7a16ee9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
 - Zorro bus cleanups and UAPI revival
 - Bootinfo cleanups and UAPI revival
 - Kexec support
 - Memory size reductions and bug fixes for multi-platform kernels
 - Polled interrupt support for Atari EtherNAT, EtherNEC and NetUSBee
 - Machine-specific random_get_entropy()
 - Defconfig updates and cleanups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (46 commits)
  m68k/mac: Make SCC reset work more reliably
  m68k/irq - Use polled IRQ flag for MFP timer cascaded interrupts
  m68k: Update defconfigs for v3.13-rc1
  m68k/defconfig: Enable EARLY_PRINTK
  m68k/mm: kmap spelling/grammar fixes
  m68k: Convert arch/m68k/kernel/traps.c to pr_*()
  m68k: Convert arch/m68k/mm/fault.c to pr_*()
  m68k/mm: Check for mm != NULL in do_page_fault() debug code
  m68k/defconfig: Disable /sbin/hotplug fork-bomb by default
  m68k/atari: Hide RTC_PORT() macro from rtc-cmos
  m68k/amiga,atari: Fix specifying multiple debug= parameters
  m68k/defconfig: Use ext4 for ext2/ext3 file systems
  m68k: Add support to export bootinfo in procfs
  m68k: Add kexec support
  m68k/mac: Mark Mac IIsi ADB driver BROKEN
  m68k/amiga: Provide mach_random_get_entropy()
  m68k: Add infrastructure for machine-specific random_get_entropy()
  m68k/atari: Call paging_init() before nf_init()
  m68k: Remove superfluous inclusions of <asm/bootinfo.h>
  m68k/UAPI: Use proper types (endianness/size) in <asm/bootinfo*.h>
  ...
2014-01-20 09:24:31 -08:00
Tomi Valkeinen cb1fbad7ec Merge branches '3.14/fbdev', '3.14/dss-misc' and '3.14/dss-fclk' into for-next
Merge fbdev topic branches
2014-01-20 10:57:01 +02:00
Julia Lawall 073bf17261 i810: delete useless variable
Delete a variable that is at most only assigned to a constant, but never
used otherwise.

A simplified version of the semantic patch that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
identifier i;
constant c;
@@

-T i;
<... when != i
-i = c;
...>
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:50 +02:00
Stefan Kristiansson e61d05dd88 video: add OpenCores VGA/LCD framebuffer driver
This adds support for the VGA/LCD core available from OpenCores:
http://opencores.org/project,vga_lcd

The driver have been tested together with both OpenRISC and
ARM (socfpga) processors.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:49 +02:00
Geert Uytterhoeven db25295788 video/logo: Remove MIPS-specific include section
Since commit 41702d9a4f ("logo.c: get rid of
mips_machgroup") there's no longer a need to include <asm/bootinfo.h> on
MIPS.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:49 +02:00
Dan Carpenter 0ede5804ca tgafb: potential NULL dereference in init
Static checkers complain that there are paths where "tga_type_name" can
be NULL.  I've re-arranged the code slightly so that's impossible.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:48 +02:00
Dan Carpenter 6fc19c40be video: mmp: Using plain integer as NULL pointer
Sparse complains here:

	drivers/video/mmp/core.c:33:16:
		warning: Using plain integer as NULL pointer

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:48 +02:00
Dan Carpenter 4ac8bd618b video: mmp: delete a stray mutex_unlock()
We aren't holding the disp_lock so we shouldn't release it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:47 +02:00
Mark Brown c3235bfc0c video: amba-clcd: Make CLCD driver available on more platforms
The CLCD driver is used on ARM reference models for ARMv8 so add ARM64
to the list of dependencies. The driver also has no build time dependencies
on ARM (stubs are provided for ARM-specific DMA functions in the code) so
make it available with COMPILE_TEST in order to maximise build coverage.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:47 +02:00
Yijing Wang 3ca356b6de video: Replace local macro with PCI standard macro
Replace local macro TGA_BUS_PCI with PCI standard
marco dev_is_pci().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:46 +02:00
Olaf Hering f5d2b7c28b fbmem: really support wildcard video=options for all fbdev drivers
Documentation/fb/modedb.txt states that video=option should be
considered a global option. But video_setup and fb_get_options are not
coded that way. Instead its required to boot with video=driver:option to
set a given option in drvier.  This is cumbersome because it requires to
know in advance which driver will be active for a given board/kernel.

The following patch implements the documented catchall for the fbdev
drivers. It is now possible to boot with video=XxY without the need to
know the active driver in advance. The specific case it tries to fix is
syslinux in the SUSE installer which offers a menu to set a display
resolution. Right now this just appends the vga= option the kernel. But
in addition to vga= it should be possible to pass a generic video=XxY
for all framebuffer/drm drivers. With this change forcing a certain
window size of VM displays is now much easier.

Today the video= option is stored in a global fb_mode_option. But
unfortunately only drm uses it.

Note: this change introduces a small memleak if video=option is actually
used because fb_mode_option is const. Most drivers use strsep to get to
individual options. This could be fixed in a followup patch which always
releases the option string in every caller of fb_get_options.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:45 +02:00
Mark Brown ee23794b86 video: vgacon: Don't build on arm64
arm64 is unlikely to have a VGA console and does not export screen_info
causing build failures if the driver is build, for example in all*config.
Add a dependency on !ARM64 to prevent this.

This list is getting quite long, it may be easier to depend on a symbol
which architectures that do support the driver can select.

Signed-off-by: Mark Brown <broonie@linaro.org>
[tomi.valkeinen@ti.com: moved && to first modified line]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:45 +02:00
Sascha Hauer 4d32d04769 video: mx3fb: Allow blocking during framebuffer allocation
No need to allocate the framebuffer from the atomic pool, we are not
in interrupt context. Adding GFP_KERNEL to the framebuffer allocation
allows to use the much bigger CMA pool to allocate the framebuffer.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:44 +02:00
Masami Ichikawa 46862145d4 fbcon: Fix memory leak in fbcon_exit().
kmemleak reported a memory leak as below.

unreferenced object 0xffff880036ca84c0 (size 16):
  comm "swapper/0", pid 1, jiffies 4294877407 (age 4434.633s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff ff  ................
  backtrace:
    [<ffffffff814ed01e>] kmemleak_alloc+0x4e/0xb0
    [<ffffffff8118913c>] __kmalloc+0x1fc/0x290
    [<ffffffff81302c9e>] bit_cursor+0x24e/0x6c0
    [<ffffffff812ff2f4>] fbcon_cursor+0x154/0x1d0
    [<ffffffff813675d8>] hide_cursor+0x28/0xa0
    [<ffffffff81368acf>] update_region+0x6f/0x90
    [<ffffffff81300268>] fbcon_switch+0x518/0x550
    [<ffffffff813695b9>] redraw_screen+0x189/0x240
    [<ffffffff8136a0e0>] do_bind_con_driver+0x360/0x380
    [<ffffffff8136a6e4>] do_take_over_console+0x114/0x1c0
    [<ffffffff812fdc83>] do_fbcon_takeover+0x63/0xd0
    [<ffffffff813023e5>] fbcon_event_notify+0x605/0x720
    [<ffffffff81501dcc>] notifier_call_chain+0x4c/0x70
    [<ffffffff81087f8d>] __blocking_notifier_call_chain+0x4d/0x70
    [<ffffffff81087fc6>] blocking_notifier_call_chain+0x16/0x20
    [<ffffffff812f201b>] fb_notifier_call_chain+0x1b/0x20

In this case ops->cursor_state.mask is allocated in bit_cursor() but
not freed in fbcon_exit(). So, fbcon_exit() needs to free buffer in its
process.
In the case, fbcon_exit() was called from fbcon_deinit() when driver
called remove_conflicting_framebuffers().

Signed-off-by: Masami Ichikawa <masami256@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:44 +02:00
Wang YanQing 5aa133d6c8 fbcon: trivial optimization for fbcon_exit
Break out as soon as we find a mapped entry con2fb_map.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:43 +02:00
Lothar Waßmann 838bdf723b video: mxsfb: fix broken videomode selection
Currently the driver re-implements the code found in of_get_videomode()
except for the fact that the latter honors the 'native-mode' property
to select a spcific video timing from the list of possible timings.
The driver builds up a list of all video timings, but uses only the
last mode from the list anyway. While building the list it incorrectly
OR's the 'pixelclk-active' and 'de-active' flags of all modes into
single flags, possibly leading to a wrong pixelclock or data-enable
polarity setting.

Fix this by using the of_get_videomode() directly with the
OF_USE_NATIVE_MODE flag.

Since all current dts files only have one entry in their
display-timings node, this bug was not apparent and the fix does not
change the driver's behaviour for the current users.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:41 +02:00
Lothar Waßmann 18dd44d89f video: mxsfb: convert pr_debug()/dev_dbg() to pr_err()/dev_err() for error messages
Make the messages that are printed in case of fatal errors actually
visible to the user without having to recompile the driver with
debugging enabled.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:40 +02:00
Jingoo Han 15b6176857 video: vmlfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:40 +02:00
Jingoo Han 11cf994c99 video: rivafb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:39 +02:00
Jingoo Han 7c815c59c0 video: nvidiafb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:39 +02:00
Jingoo Han a1d99607c4 video: asiliantfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:38 +02:00
Laurent Pinchart 40af1eb5a7 fbdev: sh_mobile_lcdcfb: Don't use plain 0 as NULL pointer
This fixes a sparse warning.

Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-17 10:57:38 +02:00
Ivaylo Dimitrov e4998634dd OMAPDSS: DISPC: Fix 34xx overlay scaling calculation
commit 7faa92339b OMAPDSS: DISPC: Handle
synclost errors in OMAP3 introduces limits check to prevent SYNCLOST errors
on OMAP3. However, it misses the logic found in Nokia kernels that is
needed to correctly calculate whether 3 tap or 5 tap rescaler to be used as
well as the logic to fallback to 3 taps if 5 taps clock results in too
tight horizontal timings. Without that patch "horizontal timing too tight"
errors are seen when a video with resolution above 640x350 is tried to be
played. The patch is a forward-ported logic found in Nokia N900 and N9/50
kernels.

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-14 10:06:45 +02:00
Tomi Valkeinen 0eb0dafb67 OMAPDSS: panel-acx565akm: clean-up locking
The locking in the acx565akm panel driver was getting too complex. Clean
it up by making new functions, acx565akm_bl_get_intensity_locked and
acx565akm_bl_update_status_locked, which are called by the backlight
subsystem. This way the non-locked versions can be called by the panel's
other funcs, simplifying the lock management.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:57 +02:00
Archit Taneja 8bc655521b OMAPDSS: DISPC: Preload more data in pipeline DMAs for OMAP4+ SoCs
DISPC pipeline DMAs preload some bytes of pixel data in the vertical blanking
region before the start of each frame. The preload ensures the pipeline doesn't
underflow when the active region of the display starts.

DISPC_GFX/VIDp_PRELOAD registers allow us to program how many bytes of data
should be preloaded for each pipeline. Calculating a precise preload value
would be a complex function of the pixel clock of the connected display, the
vertical blanking duration and the interconnect traffic at that instance. If
the register is left untouched, a default value is preloaded.

We observe underflows for OMAP4+ SoCs for certain bandwidth intensive use cases
with many other initiators active, and in situations where memory access isn't
very efficient(like accessing Tiler mapped buffers and EMIF configured in
non-interleaved more). The cause of the underflow is because the default preload
value isn't sufficient for the DMA to reach a steady state. We configure the
PRELOAD register such that the pipelines preload data up to the high threshold
of the FIFO.

Preloading lot of data for older SoCs can have a negative impact. Due to slower
interconnects, it's possible that the DISPC DMA cannot preload up to the high
threshold within the vertical blanking region of the panel. We leave the PRELOAD
registers to their reset values since we haven't faced underflows with these
SoCs because of low value of PRELOAD.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:56 +02:00
Tomi Valkeinen b52a6e7fb6 OMAPFB: disable overlays on driver removal
When omapfb module is removed, the driver will turn off all the displays
it manages. However, it leaves the overlays enabled. While the overlays
are obviously disabled as the displays are disabled, it causes issues
when the driver module is loaded again, as at that point the overlays
are still enabled on the hardware level. The result is that even if the
SW thinks overlays are disabled, they are actually enabled.

Fix this by making sure the overlays are disabled at module removal.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:56 +02:00
Tomi Valkeinen 40359a9b08 OMAPDSS: don't print errors on -EPROBE_DEFER
Nowadays it's normal to get -EPROBE_DEFER from, e.g., regulator_get. As
-EPROBE_DEFER is not really an error, and the driver will be probed fine
a bit later, printing an error message will just confuse the user.

This patch changes omapdss to print an error for regulator_gets only if
the error code is something else than -EPROBE_DEFER.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:55 +02:00
Tomi Valkeinen ab7bf423af OMAPFB: give informative print when probe succeeds
It is quite common to have omapfb probe deferred because of a missing
resource, and to get omapfb probed succesfully a bit later. This works
fine. However, omapfb does not give any print on a successful probe, so
if the omapfb is actually never probed again after deferral, this is not
shown in the log.

To help debugging, add a simple print from omapfb at the end of its
probe, saying which display it is using and in which resolution.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:55 +02:00
Tomi Valkeinen 77601507bc OMAPDSS: HDMI: rename resource names
The HDMI driver tries to get the needed memory resources by name and by
ID. Resources by name are not currently defined, and will be used with
DT boot.

The resource names used in the driver are not quite perfect, and as they
are not used yet, we can change them. This patch removes the unneeded
"hdmi_" prefix from the names, and simplifies the names (e.g. hdmi_txphy
-> phy).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:54 +02:00
Tomi Valkeinen 68104467ec OMAPDSS: DSI: split DSI memory map to smaller blocks
DSI contains three separate blocks: protocol engine, PHY and PLL. At the
moment, all these are memory mapped in one big chunk. We need to split
that memory map into smaller pieces so that we can add proper 'reg'
properties into the DT data for each block.

This patch changes the driver to map the blocks separately. It first
tries to get the memory resource using name, used when booting with DT,
and if that fails, it gets the memory resource by ID, in which case the
driver gets the big chunk from platform data. That big chunk is then
split into the smaller blocks manually.

After DSS DT code has been merged and the old platform code removed, we
can clean up the memory resource management.

Instead of changing the driver in all the places where a register is
read or written, this patch takes a shortcut: it adds an additional
number to the struct which represents the register index. This number is
used to decide which base address to use. In the future we should
consider other approaches.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:54 +02:00
Tomi Valkeinen 6873efe167 OMAPDSS: HDMI: add missing core irq
HDMI_IRQ_CORE was not defined in the hdmi.h.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:53 +02:00
Tomi Valkeinen 42116517d2 OMAPDSS: HDMI: fix HDMI_WP_CLK name
HDMI_WP_CLK was wrongly defined as HDMI_WP_WP_CLK. Fix that.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:53 +02:00
Tomi Valkeinen 91b53e6a96 OMAPDSS: HDMI: fix hdmi_wait_for_bit_change
hdmi_wait_for_bit_change() has two issues:

The register index was passed as u16, even if the register index may be
u32. Fix the index to u32.

The function was copied from wait_for_bit_change() which waits for a
single bit to change, but the hdmi version was changed to wait for a bit
field. This change was not done correctly.

The function is supposed to return the (last) value of the bit field,
but it returned !val in case of timeout. This was correct for the single
bit version, but not for the hdmi version. Fix the function to return
the actual value in the register.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:52 +02:00
Tomi Valkeinen be07dcd7e2 OMAPDSS: DISPC: fix context restore
DISPC_MSTANDBY_CTRL register is used in the driver, but it's not
restored in dispc_restore_context(), causing problems after resume.

Instead of adding DISPC_MSTANDBY_CTRL to dispc_restore_context(), let's
call _omap_dispc_initial_config() as the first thing in
dispc_runtime_resume(). This will initialize the DISPC core registers
properly, and will avoid similar issues in the future.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:52 +02:00
Tomi Valkeinen f4f49c48b8 OMAPDSS: HDMI4: remove useless func calls
For some reason the hdmi driver first turns off the video output when
it's about to enable the video output. This serves no purpose, and can
be removed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:51 +02:00
Archit Taneja 1e676248c8 OMAPDSS: HDMI4: Accept non-standard timings
The hdmi4 driver currently rejects any timing which is not from the CEA or VESA
standards. This leads hdmi rejecting any non-standard mode. A non standard
timing may not have a valid code corresponding to it. In such cases, the HDMI
spec suggests to set the code to 0.

Modify the driver to check if the timings fall within the range of the DISPC
TV overlay manager, and remove the check for an invalid code. Add a debug print
specifying the mode and code in hdmi_display_set_timing.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-13 12:19:51 +02:00
Tomi Valkeinen 6da9f89172 drm/omap: fix (un)registering irqs inside an irq handler
omapdrm (un)registers irqs inside an irq handler. The problem is that
the (un)register function uses dispc_runtime_get/put() to enable the
clocks, and those functions are not irq safe by default.

This was kind of fixed in 48664b21ae
(OMAPDSS: DISPC: set irq_safe for runtime PM), which makes dispc's
runtime calls irq-safe.

However, using pm_runtime_irq_safe in dispc makes the parent of dispc,
dss, always enabled, effectively preventing PM for the whole DSS module.

This patch makes omapdrm behave better by adding new irq (un)register
functions that do not use dispc_runtime_get/put, and using those
functions in interrupt context. Thus we can make dispc again
non-irq-safe, allowing proper PM.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Rob Clark <robdclark@gmail.com>
2014-01-09 15:15:24 +02:00
Stefano Stabellini b1a3b1c8a8 xen/fb: allow xenfb initialization for hvm guests
There is no reasons why an HVM guest shouldn't be allowed to use xenfb.
As a matter of fact ARM guests, HVM from Linux POV, can use xenfb.
Given that no Xen toolstacks configure a xenfb backend for x86 HVM
guests, they are not affected.

Please note that at this time QEMU needs few outstanding fixes to
provide xenfb on ARM:

http://marc.info/?l=qemu-devel&m=138739419700837&w=2

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
CC: boris.ostrovsky@oracle.com
CC: plagnioj@jcrosoft.com
CC: tomi.valkeinen@ti.com
CC: linux-fbdev@vger.kernel.org
CC: konrad.wilk@oracle.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-01-07 09:59:54 -05:00
Konrad Rzeszutek Wilk 51c71a3bba xen/pvhvm: If xen_platform_pci=0 is set don't blow up (v4).
The user has the option of disabling the platform driver:
00:02.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)

which is used to unplug the emulated drivers (IDE, Realtek 8169, etc)
and allow the PV drivers to take over. If the user wishes
to disable that they can set:

  xen_platform_pci=0
  (in the guest config file)

or
  xen_emul_unplug=never
  (on the Linux command line)

except it does not work properly. The PV drivers still try to
load and since the Xen platform driver is not run - and it
has not initialized the grant tables, most of the PV drivers
stumble upon:

input: Xen Virtual Keyboard as /devices/virtual/input/input5
input: Xen Virtual Pointer as /devices/virtual/input/input6M
------------[ cut here ]------------
kernel BUG at /home/konrad/ssd/konrad/linux/drivers/xen/grant-table.c:1206!
invalid opcode: 0000 [#1] SMP
Modules linked in: xen_kbdfront(+) xenfs xen_privcmd
CPU: 6 PID: 1389 Comm: modprobe Not tainted 3.13.0-rc1upstream-00021-ga6c892b-dirty #1
Hardware name: Xen HVM domU, BIOS 4.4-unstable 11/26/2013
RIP: 0010:[<ffffffff813ddc40>]  [<ffffffff813ddc40>] get_free_entries+0x2e0/0x300
Call Trace:
 [<ffffffff8150d9a3>] ? evdev_connect+0x1e3/0x240
 [<ffffffff813ddd0e>] gnttab_grant_foreign_access+0x2e/0x70
 [<ffffffffa0010081>] xenkbd_connect_backend+0x41/0x290 [xen_kbdfront]
 [<ffffffffa0010a12>] xenkbd_probe+0x2f2/0x324 [xen_kbdfront]
 [<ffffffff813e5757>] xenbus_dev_probe+0x77/0x130
 [<ffffffff813e7217>] xenbus_frontend_dev_probe+0x47/0x50
 [<ffffffff8145e9a9>] driver_probe_device+0x89/0x230
 [<ffffffff8145ebeb>] __driver_attach+0x9b/0xa0
 [<ffffffff8145eb50>] ? driver_probe_device+0x230/0x230
 [<ffffffff8145eb50>] ? driver_probe_device+0x230/0x230
 [<ffffffff8145cf1c>] bus_for_each_dev+0x8c/0xb0
 [<ffffffff8145e7d9>] driver_attach+0x19/0x20
 [<ffffffff8145e260>] bus_add_driver+0x1a0/0x220
 [<ffffffff8145f1ff>] driver_register+0x5f/0xf0
 [<ffffffff813e55c5>] xenbus_register_driver_common+0x15/0x20
 [<ffffffff813e76b3>] xenbus_register_frontend+0x23/0x40
 [<ffffffffa0015000>] ? 0xffffffffa0014fff
 [<ffffffffa001502b>] xenkbd_init+0x2b/0x1000 [xen_kbdfront]
 [<ffffffff81002049>] do_one_initcall+0x49/0x170

.. snip..

which is hardly nice. This patch fixes this by having each
PV driver check for:
 - if running in PV, then it is fine to execute (as that is their
   native environment).
 - if running in HVM, check if user wanted 'xen_emul_unplug=never',
   in which case bail out and don't load any PV drivers.
 - if running in HVM, and if PCI device 5853:0001 (xen_platform_pci)
   does not exist, then bail out and not load PV drivers.
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=ide-disks',
   then bail out for all PV devices _except_ the block one.
   Ditto for the network one ('nics').
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=unnecessary'
   then load block PV driver, and also setup the legacy IDE paths.
   In (v3) make it actually load PV drivers.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Reported-and-Tested-by: Fabio Fantoni <fabio.fantoni@m2r.biz>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
[v2: Add extra logic to handle the myrid ways 'xen_emul_unplug'
can be used per Ian and Stefano suggestion]
[v3: Make the unnecessary case work properly]
[v4: s/disks/ide-disks/ spotted by Fabio]
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> [for PCI parts]
CC: stable@vger.kernel.org
2014-01-03 14:54:18 -05:00
Tomi Valkeinen 558c73e26e OMAPDSS: DSI: fix fifosize
DSI has separate TX and RX fifos. However, the current code only has one
field where the fifo size is stored, and the code for both TX and RX
config write to the same field. This has not caused issues, as we've
been using the same fifo sizes.

Fix this bug by creating separate fields for TX and RX fifo sizes.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Tomi Valkeinen 303e4697e7 OMAPDSS: rename display-sysfs 'name' entry
omapdss in compat mode creates some sysfs files into the device's sysfs
directory, including a 'name' file. This works fine for
platform_devices, but breaks with i2c or spi devices, as those already
have a 'name' file.

Fix this by renaming the omapdss's 'name' file to 'display_name'.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Tomi Valkeinen 29fceeebb6 OMAPDSS: DISPC: Add MFLAG defines
OMAP5 has MFLAG feature in DISPC. Add the register definition and dump
it. The register is not used yet, though.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Tomi Valkeinen 7a53df2c08 OMAPDSS: apply fixes
When omapfb does ovl->get_overlay_info, ovl->set_overlay_info, the set
function may fail even if the info has not been changed. This is because
omapdss doesn't initialize the info, but expect the caller to set valid
values.

Normally that is the case, but there is at least one corner case: if
omapfb has not allocated memory for the overlay yet, and the user uses
ioctl to disable the overlay to make sure it's disabled. In this case
get_overlay_info returns invalid data, but the user is only interested
in setting the overlay to disabled, not configuring it, and
set_overlay_info fails.

The issue is made possible by the omapfb's setup_plane ioctl, which
groups overlay configuration and overlay enable/disable bit into the
same struct. Thus, when you are disabling an overlay, you are also
configuring it.

This is a bit counter intuitive, so I think it's better to initialize
the info to some valid values.

The fields requiring initialization are color_mode and rotation_type,
and also we need to remove the check for (paddr == 0), as paddr is 0 for
unallocated overlay (but it's still fine to disable the overlay).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Tomi Valkeinen ac9f24211e OMAPDSS: fix debug prints
Fix debug prints all over omapdss:
* add missing linefeeds
* change pr_err/pr_debug to DSSERR/DSSDBG
* add missing DSS_SUBSYS_NAMEs

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Tomi Valkeinen 8ee5c84271 OMAPDSS: fix missing EXPORT_SYMBOL()s
Functions dispc_ovl_set_fifo_threshold and
dispc_ovl_compute_fifo_thresholds need to be exported. Add the
EXPORT_SYMBOLs.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-30 16:14:15 +02:00
Yinghai Lu fc2798502f PCI: Convert pcibios_resource_to_bus() to take a pci_bus, not a pci_dev
These interfaces:

  pcibios_resource_to_bus(struct pci_dev *dev, *bus_region, *resource)
  pcibios_bus_to_resource(struct pci_dev *dev, *resource, *bus_region)

took a pci_dev, but they really depend only on the pci_bus.  And we want to
use them in resource allocation paths where we have the bus but not a
device, so this patch converts them to take the pci_bus instead of the
pci_dev:

  pcibios_resource_to_bus(struct pci_bus *bus, *bus_region, *resource)
  pcibios_bus_to_resource(struct pci_bus *bus, *resource, *bus_region)

In fact, with standard PCI-PCI bridges, they only depend on the host
bridge, because that's the only place address translation occurs, but
we aren't going that far yet.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-12-21 10:06:10 -07:00
Masanari Iida 77d84ff87e treewide: Fix typos in printk
Correct spelling typo in various part of kernel

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:10:49 +01:00
Chris Wilson 46eeb2c144 video/fb: Propagate error code from failing to unregister conflicting fb
If we fail to remove a conflicting fb driver, we need to abort the
loading of the second driver to avoid likely kernel panics.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18 10:56:13 +10:00
Fabio Estevam ca7a97add4 backlight: pwm_bl: Remove error message upon devm_kzalloc() failure
No need to have a specific OOM message, since there is generic MM out of memory
message in place.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2013-12-17 10:18:25 +01:00
Linus Torvalds 17b2112f33 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
 "Here are a handful of powerpc fixes for 3.13.

  The patches are reasonably trivial and self contained.  Note the offb
  patches outside of arch/powerpc, they are LE fixes for our
  open-firmware 'dumb' framebuffer"

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Fix up the kdump base cap to 128M
  powernv: Fix VFIO support with PHB3
  powerpc/52xx: Re-enable bestcomm driver in defconfigs
  powerpc/pasemi: Turn on devtmpfs in defconfig
  offb: Add palette hack for little endian
  offb: Little endian fixes
  powerpc: Fix PTE page address mismatch in pgtable ctor/dtor
  powerpc/44x: Fix ocm_block allocation
  powerpc: Fix build break with PPC_EARLY_DEBUG_BOOTX=y
  powerpc/512x: dts: remove misplaced IRQ spec from 'soc' node
2013-12-09 19:21:39 -08:00
Cedric Le Goater e1edf18b20 offb: Add palette hack for little endian
The pseudo palette color entries need to be ajusted for little
endian.

This patch byteswaps the values in the pseudo palette depending
on the host endian order and the screen depth.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-12-10 11:25:07 +11:00
Cedric Le Goater 212c0cbd5b offb: Little endian fixes
The "screen" properties : depth, width, height, linebytes need
to be converted to the host endian order when read from the device
tree.

The offb_init_palette_hacks() routine also made assumption on the
host endian order.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-12-10 11:25:06 +11:00
Dan Carpenter 46ac29568e video: vt8500: fix error handling in probe()
We shouldn't kfree(fbi) because that was allocated with devm_kzalloc().
There were several error paths which returned directly instead of
releasing resources.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-04 10:50:16 +02:00
Johan Hovold 5a0973f33b atmel_lcdfb: fix module autoload
Add missing module device table which is needed for module autoloading.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-12-04 10:48:12 +02:00
Geert Uytterhoeven 974dbcfcca fbdev: sh_mobile_meram: Fix defined but not used compiler warnings
If both CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME are not set:

drivers/video/sh_mobile_meram.c:573: warning: ‘sh_mobile_meram_suspend’ defined but not used
drivers/video/sh_mobile_meram.c:597: warning: ‘sh_mobile_meram_resume’ defined but not used

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-26 16:59:42 +02:00
Sasha Levin 2ab68ec927 video: kyro: fix incorrect sizes when copying to userspace
kyro would copy u32s and specify sizeof(unsigned long) as the size to copy.

This would copy more data than intended and cause memory corruption and might
leak kernel memory.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-26 16:40:14 +02:00
Aaro Koskinen c37dd67798 ARM: OMAPFB: panel-sony-acx565akm: fix bad unlock balance
When booting Nokia N900 smartphone with v3.12 + omap2plus_defconfig
(LOCKDEP enabled) and CONFIG_DISPLAY_PANEL_SONY_ACX565AKM enabled,
the following BUG is seen during the boot:

[    7.302154] =====================================
[    7.307128] [ BUG: bad unlock balance detected! ]
[    7.312103] 3.12.0-los.git-2093492-00120-g5e01dc7 #3 Not tainted
[    7.318450] -------------------------------------
[    7.323425] kworker/u2:1/12 is trying to release lock (&ddata->mutex) at:
[    7.330657] [<c031b760>] acx565akm_enable+0x12c/0x18c
[    7.335998] but there are no more locks to release!

Fix by removing double unlock and handling the locking completely inside
acx565akm_panel_power_on() when doing the power on.

Reported-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: stable@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-26 12:49:17 +02:00
Geert Uytterhoeven 371001e502 m68k: Remove superfluous inclusions of <asm/bootinfo.h>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2013-11-26 11:09:22 +01:00
Geert Uytterhoeven 6112ea0862 zorro: ZTWO_VADDR() should return "void __iomem *"
ZTWO_VADDR() converts from physical to virtual I/O addresses, so it should
return "void __iomem *" instead of "unsigned long".

This allows to drop several casts, but requires adding a few casts to
accomodate legacy driver frameworks that store "unsigned long" I/O
addresses.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2013-11-26 11:09:07 +01:00
Tomi Valkeinen fc1fe6e794 OMAPDSS: add dedicated fck PLL support
This patch adds support for SoCs that have a dedicated DSS PLL used for
DSS function clock.

If there is no dss parent clock defined, it is presumed that the
functionl clock rate can be set (almost) freely. The code calculates the
highest allowed fck rate, which when divided with some integer gives the
required pck.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:28 +02:00
Tomi Valkeinen 688af02d22 OMAPDSS: pass pck to dss fck clock calc
We need the required pixel clock rate when calculating the dss fclk on
SoCs that have a dedicated DSS PLL.

This patch changes the code to pass the pck to the calc functions. The
pck rate is taken into use in the next patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:28 +02:00
Tomi Valkeinen ada9443ff4 OMAPDSS: cleanup fck parent handling
The dss parent_clk_name currently points to a clock node which we use to
change the fclk rate. Now that we have CLK_SET_RATE_PARENT properly set,
we can set the rate directly to the fclk node.

However, we still need to calculate the possible clock rates. For this,
we need the rate of the parent of the current parent_clk.

To simplify the code, this patch changes the parent_clk_name to point to
the above mentioned parent, so that we can get the rate directly.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:27 +02:00
Tomi Valkeinen 64ad846ffd OMAPDSS: rename parent clk variables
Rename the variables related to DSS fclk's parent: "clk_name" and
"dpll4_m4_ck", to "parent_clk_name" and "parent_clk", which much better
tell what they mean.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:27 +02:00
Tomi Valkeinen 9c15d76200 OMAPDSS: simplify dss clk dump
Simplify dss_dump_clocks() so that it doesn't make any presumptions
about the DSS fclks nature.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:26 +02:00
Tomi Valkeinen d0f58bd3bb OMAPDSS: remove struct dss_clock_info
Remove struct dss_clock_info, as it is not usable in a case where DSS
fclk comes from a dedicated PLL. Instead, just use the fclk rate in
place of dss_clock_info, as that is all that's needed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:26 +02:00
Tomi Valkeinen 6e555e2752 OMAPDSS: fix omap2 dss fck handling
The driver considers OMAP2 DSS's functional clock as a fixed clock.
However, it can be changed, but the possible dividers are not continuous
which is why it was just handled as a fixed clock.

As a partial fix, this patch changes the code to handle the continous
part of the dividers, from 1 to 6. This let's us handle the OMAP2 fck
the same way as fcks on other OMAPs.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-18 14:32:25 +02:00
Linus Torvalds 71f777ed50 ARM: SoC fixes for 3.13 merge window
A first set of batches of fixes for 3.13. The diffstat is large mostly
 because we're adding a defconfig for a family that's been lacking it, and
 there's some missing clock information added for i.MX and OMAP.
 
 The at91 new code is around dealing with RTC/RTT reset at boot to fix possible
 hangs due to pending wakeup interrupts coming in during early boot.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A first set of batches of fixes for 3.13.  The diffstat is large
  mostly because we're adding a defconfig for a family that's been
  lacking it, and there's some missing clock information added for i.MX
  and OMAP.

  The at91 new code is around dealing with RTC/RTT reset at boot to fix
  possible hangs due to pending wakeup interrupts coming in during early
  boot"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
  ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
  doc: devicetree: Add bindings documentation for omap-des driver
  ARM: dts: doc: Document missing compatible property for omap-sham driver
  ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
  ARM: at91: fix hanged boot due to early rtt-interrupt
  ARM: at91: fix hanged boot due to early rtc-interrupt
  video: exynos_mipi_dsim: Remove unused variable
  ARM: highbank: only select errata 764369 if SMP
  ARM: sti: only select errata 764369 if SMP
  ARM: tegra: init fuse before setting reset handler
  ARM: vt8500: add defconfig for v6/v7 chips
  ARM: integrator_cp: Set LCD{0,1} enable lines when turning on CLCD
  ARM: OMAP: devicetree: fix SPI node compatible property syntax items
  pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
  ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
  MAINTAINERS: drop discontinued mailing list
  ARM: dts: i.MX51: Fix OTG PHY clock
  ARM: imx: set up pllv3 POWER and BYPASS sequentially
  ARM: imx: pllv3 needs relock in .set_rate() call
  ...
2013-11-16 12:45:55 -08:00
Linus Torvalds 0bde7294e2 pwm: Changes for v3.13-rc1
Mostly bug fixes and clean up. There is a new driver, which is actually
 moving a custom PWM driver from drivers/misc.
 
 The majority of the patches are enhancements to the device tree support
 in the pwm-backlight driver. Backlights can now additionally be powered
 using a regulator and enabled using a GPIO in addition to just the PWM
 input.
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Merge tag 'pwm/for-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm changes from Thierry Reding:
 "Mostly bug fixes and clean up.  There is a new driver, which is
  actually moving a custom PWM driver from drivers/misc.

  The majority of the patches are enhancements to the device tree
  support in the pwm-backlight driver.  Backlights can now additionally
  be powered using a regulator and enabled using a GPIO in addition to
  just the PWM input"

* tag 'pwm/for-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (30 commits)
  Documentation/pwm: Update supported SoC name for pwm-samsung
  pwm: samsung: Fix kernel warning while unexporting a channel
  MAINTAINERS: Move PWM subsystem tree to kernel.org
  Documentation/pwm: Fix trivial typos
  pwm-backlight: Remove unused variable
  pwm_backlight: avoid short blank screen while doing hibernation
  pwm-backlight: Fix brightness adjustment
  pwm: add ep93xx PWM support
  pwm-backlight: Allow for non-increasing brightness levels
  pwm-backlight: Add power supply support
  pwm-backlight: Use new enable_gpio field
  unicore32: Initialize PWM backlight enable_gpio field
  ARM: shmobile: Initialize PWM backlight enable_gpio field
  ARM: SAMSUNG: Initialize PWM backlight enable_gpio field
  ARM: pxa: Initialize PWM backlight enable_gpio field
  ARM: OMAP: Initialize PWM backlight enable_gpio field
  pwm-backlight: Add optional enable GPIO
  pwm-backlight: Track enable state
  pwm-backlight: Refactor backlight power on/off
  pwm-backlight: Improve readability
  ...
2013-11-16 12:21:40 -08:00
Olof Johansson 6886059f2e Few clock fixes, a runtime PM fix, and pinctrl-single fix along
with few other fixes that popped up during the merge window.
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Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Few clock fixes, a runtime PM fix, and pinctrl-single fix along
with few other fixes that popped up during the merge window.

* tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
  ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
  doc: devicetree: Add bindings documentation for omap-des driver
  ARM: dts: doc: Document missing compatible property for omap-sham driver
  ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
  ARM: OMAP: devicetree: fix SPI node compatible property syntax items
  pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
  ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
  + sync with newer trunk
2013-11-15 15:17:59 -08:00
Linus Torvalds 049ffa8ab3 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "This is a combo of -next and some -fixes that came in in the
  intervening time.

  Highlights:

  New drivers:
    ARM Armada driver for Marvell Armada 510 SOCs

  Intel:
    Broadwell initial support under a default off switch,
    Stereo/3D HDMI mode support
    Valleyview improvements
    Displayport improvements
    Haswell fixes
    initial mipi dsi panel support
    CRC support for debugging
    build with CONFIG_FB=n

  Radeon:
    enable DPM on a number of GPUs by default
    secondary GPU powerdown support
    enable HDMI audio by default
    Hawaii support

  Nouveau:
    dynamic pm code infrastructure reworked, does nothing major yet
    GK208 modesetting support
    MSI fixes, on by default again
    PMPEG improvements
    pageflipping fixes

  GMA500:
    minnowboard SDVO support

  VMware:
    misc fixes

  MSM:
    prime, plane and rendernodes support

  Tegra:
    rearchitected to put the drm driver into the drm subsystem.
    HDMI and gr2d support for tegra 114 SoC

  QXL:
    oops fix, and multi-head fixes

  DRM core:
    sysfs lifetime fixes
    client capability ioctl
    further cleanups to device midlayer
    more vblank timestamp fixes"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (789 commits)
  drm/nouveau: do not map evicted vram buffers in nouveau_bo_vma_add
  drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800
  drm/nouveau/pwr: fix missing mutex unlock in a failure path
  drm/nv40/therm: fix slowing down fan when pstate undefined
  drm/nv11-: synchronise flips to vblank, unless async flip requested
  drm/nvc0-: remove nasty fifo swmthd hack for flip completion method
  drm/nv10-: we no longer need to create nvsw object on user channels
  drm/nouveau: always queue flips relative to kernel channel activity
  drm/nouveau: there is no need to reserve/fence the new fb when flipping
  drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence
  drm/nouveau: allow nouveau_fence_ref() to be a noop
  drm/nvc8/mc: msi rearm is via the nvc0 method
  drm/ttm: Fix vma page_prot bit manipulation
  drm/vmwgfx: Fix a couple of compile / sparse warnings and errors
  drm/vmwgfx: Resource evict fixes
  drm/edid: compare actual vrefresh for all modes for quirks
  drm: shmob_drm: Convert to clk_prepare/unprepare
  drm/nouveau: fix 32-bit build
  drm/i915/opregion: fix build error on CONFIG_ACPI=n
  Revert "drm/radeon/audio: don't set speaker allocation on DCE4+"
  ...
2013-11-15 14:19:54 +09:00
Olof Johansson ba52b7d4af video: exynos_mipi_dsim: Remove unused variable
commit 7e0be9f9f7 ('video: exynos_mipi_dsim:
Use the generic PHY driver') resulted in a warning about an unused
variable:

drivers/video/exynos/exynos_mipi_dsi.c:144:26: warning: unused variable
    'pdev' [-Wunused-variable]

It is indeed unused; remove it.

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
2013-11-14 18:00:19 -08:00
Wolfram Sang 16735d022f tree-wide: use reinit_completion instead of INIT_COMPLETION
Use this new function to make code more comprehensible, since we are
reinitialzing the completion, not initializing.

[akpm@linux-foundation.org: linux-next resyncs]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-15 09:32:21 +09:00
Linus Torvalds f0d55cc1a6 fbdev changes for 3.13
Nothing particularly stands out in this pull request. The biggest part of the
 changes are cleanups.
 
 Maybe one fix to mention is the "fb: reorder the lock sequence to fix potential
 dead lock" which hopefully fixes the fb locking issues reported by multiple
 persons.
 
 There are also a few commits that have changes to arch/arm/mach-at91 and
 arch/avr32, which have been acked by the maintainers.
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Merge tag 'fbdev-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev changes from Tomi Valkeinen:
 "Nothing particularly stands out in this pull request.  The biggest
  part of the changes are cleanups.

  Maybe one fix to mention is the "fb: reorder the lock sequence to fix
  potential dead lock" which hopefully fixes the fb locking issues
  reported by multiple persons.

  There are also a few commits that have changes to arch/arm/mach-at91
  and arch/avr32, which have been acked by the maintainers"

* tag 'fbdev-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (143 commits)
  fb: reorder the lock sequence to fix potential dead lock
  fbdev: shmobile-lcdcfb: Convert to clk_prepare/unprepare
  fbdev: shmobile-hdmi: Convert to clk_prepare/unprepare
  omapdss: Add new panel driver for Topolly td028ttec1 LCD.
  video: exynos_mipi_dsi: Unlock the mutex before returning
  video: da8xx-fb: remove unwanted define
  video: Remove unnecessary semicolons
  simplefb: use write-combined remapping
  simplefb: fix unmapping fb during destruction
  OMAPDSS: connector-dvi: fix releasing i2c_adapter
  OMAPDSS: DSI: fix perf measuring ifdefs
  framebuffer: Use fb_<level>
  framebuffer: Add fb_<level> convenience logging macros
  efifb: prevent null-deref when iterating dmi_list
  fbdev: fix error return code in metronomefb_probe()
  video: xilinxfb: Fix for "Use standard variable name convention"
  OMAPDSS: Fix de_level in videomode_to_omap_video_timings()
  video: xilinxfb: Simplify error path
  video: xilinxfb: Use devm_kzalloc instead of kzalloc
  video: xilinxfb: Use standard variable name convention
  ...
2013-11-14 14:44:20 +09:00
Linus Torvalds f9300eaaac ACPI and power management updates for 3.13-rc1
- New power capping framework and the the Intel Running Average Power
    Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
 
  - Addition of the in-kernel switching feature to the arm_big_little
    cpufreq driver from Viresh Kumar and Nicolas Pitre.
 
  - cpufreq support for iMac G5 from Aaro Koskinen.
 
  - Baytrail processors support for intel_pstate from Dirk Brandewie.
 
  - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
 
  - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
 
  - ACPI power management support for the I2C and SPI bus types from
    Mika Westerberg and Lv Zheng.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
    Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
 
  - cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
    Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
    Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
 
  - intel_pstate updates from Dirk Brandewie and Adrian Huang.
 
  - ACPICA update to version 20130927 includig fixes and cleanups and
    some reduction of divergences between the ACPICA code in the kernel
    and ACPICA upstream in order to improve the automatic ACPICA patch
    generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki,
    Naresh Bhat, Bjorn Helgaas, David E Box.
 
  - ACPI IPMI driver fixes and cleanups from Lv Zheng.
 
  - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
    Zhang Yanfei, Rafael J Wysocki.
 
  - Conversion of the ACPI AC driver to the platform bus type and
    multiple driver fixes and cleanups related to ACPI from Zhang Rui.
 
  - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
    Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
 
  - Fixes and cleanups and new blacklist entries related to the ACPI
    video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
    Kirill Tkhai.
 
  - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
 
  - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
    Bartlomiej Zolnierkiewicz, Prarit Bhargava.
 
  - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
 
  - Operation Performance Points (OPP) core updates from Nishanth Menon.
 
  - Runtime power management core fix from Rafael J Wysocki and update
    from Ulf Hansson.
 
  - Hibernation fixes from Aaron Lu and Rafael J Wysocki.
 
  - Device suspend/resume lockup detection mechanism from Benoit Goby.
 
  - Removal of unused proc directories created for various ACPI drivers
    from Lan Tianyu.
 
  - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
    handler from Heikki Krogerus and Jarkko Nikula.
 
  - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
 
  - Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
    Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
    Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
    Liu Chuansheng.
 
  - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
    Jean-Christophe Plagniol-Villard.
 
 /
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael J Wysocki:

 - New power capping framework and the the Intel Running Average Power
   Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.

 - Addition of the in-kernel switching feature to the arm_big_little
   cpufreq driver from Viresh Kumar and Nicolas Pitre.

 - cpufreq support for iMac G5 from Aaro Koskinen.

 - Baytrail processors support for intel_pstate from Dirk Brandewie.

 - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.

 - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.

 - ACPI power management support for the I2C and SPI bus types from Mika
   Westerberg and Lv Zheng.

 - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
   Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.

 - cpufreq drivers updates (mostly fixes and cleanups) from Viresh
   Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
   Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.

 - intel_pstate updates from Dirk Brandewie and Adrian Huang.

 - ACPICA update to version 20130927 includig fixes and cleanups and
   some reduction of divergences between the ACPICA code in the kernel
   and ACPICA upstream in order to improve the automatic ACPICA patch
   generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
   Bhat, Bjorn Helgaas, David E Box.

 - ACPI IPMI driver fixes and cleanups from Lv Zheng.

 - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
   Yanfei, Rafael J Wysocki.

 - Conversion of the ACPI AC driver to the platform bus type and
   multiple driver fixes and cleanups related to ACPI from Zhang Rui.

 - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
   Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.

 - Fixes and cleanups and new blacklist entries related to the ACPI
   video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
   Kirill Tkhai.

 - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.

 - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
   Bartlomiej Zolnierkiewicz, Prarit Bhargava.

 - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.

 - Operation Performance Points (OPP) core updates from Nishanth Menon.

 - Runtime power management core fix from Rafael J Wysocki and update
   from Ulf Hansson.

 - Hibernation fixes from Aaron Lu and Rafael J Wysocki.

 - Device suspend/resume lockup detection mechanism from Benoit Goby.

 - Removal of unused proc directories created for various ACPI drivers
   from Lan Tianyu.

 - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
   handler from Heikki Krogerus and Jarkko Nikula.

 - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.

 - Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
   Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
   Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
   Liu Chuansheng.

 - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
   Jean-Christophe Plagniol-Villard.

* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
  cpufreq: conservative: fix requested_freq reduction issue
  ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
  PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
  ACPI / event: remove unneeded NULL pointer check
  Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
  ACPI / video: Quirk initial backlight level 0
  ACPI / video: Fix initial level validity test
  intel_pstate: skip the driver if ACPI has power mgmt option
  PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
  ACPI / hotplug: Do not execute "insert in progress" _OST
  ACPI / hotplug: Carry out PCI root eject directly
  ACPI / hotplug: Merge device hot-removal routines
  ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
  ACPI / hotplug: Simplify device ejection routines
  ACPI / hotplug: Fix handle_root_bridge_removal()
  ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
  ACPI / scan: Start matching drivers after trying scan handlers
  ACPI: Remove acpi_pci_slot_init() headers from internal.h
  ACPI / blacklist: fix name of ThinkPad Edge E530
  PowerCap: Fix build error with option -Werror=format-security
  ...

Conflicts:
	arch/arm/mach-omap2/opp.c
	drivers/Kconfig
	drivers/spi/spi.c
2013-11-14 13:41:48 +09:00
Linus Torvalds 8ceafbfa91 Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm
Pull DMA mask updates from Russell King:
 "This series cleans up the handling of DMA masks in a lot of drivers,
  fixing some bugs as we go.

  Some of the more serious errors include:
   - drivers which only set their coherent DMA mask if the attempt to
     set the streaming mask fails.
   - drivers which test for a NULL dma mask pointer, and then set the
     dma mask pointer to a location in their module .data section -
     which will cause problems if the module is reloaded.

  To counter these, I have introduced two helper functions:
   - dma_set_mask_and_coherent() takes care of setting both the
     streaming and coherent masks at the same time, with the correct
     error handling as specified by the API.
   - dma_coerce_mask_and_coherent() which resolves the problem of
     drivers forcefully setting DMA masks.  This is more a marker for
     future work to further clean these locations up - the code which
     creates the devices really should be initialising these, but to fix
     that in one go along with this change could potentially be very
     disruptive.

  The last thing this series does is prise away some of Linux's addition
  to "DMA addresses are physical addresses and RAM always starts at
  zero".  We have ARM LPAE systems where all system memory is above 4GB
  physical, hence having DMA masks interpreted by (eg) the block layers
  as describing physical addresses in the range 0..DMAMASK fails on
  these platforms.  Santosh Shilimkar addresses this in this series; the
  patches were copied to the appropriate people multiple times but were
  ignored.

  Fixing this also gets rid of some ARM weirdness in the setup of the
  max*pfn variables, and brings ARM into line with every other Linux
  architecture as far as those go"

* 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm: (52 commits)
  ARM: 7805/1: mm: change max*pfn to include the physical offset of memory
  ARM: 7797/1: mmc: Use dma_max_pfn(dev) helper for bounce_limit calculations
  ARM: 7796/1: scsi: Use dma_max_pfn(dev) helper for bounce_limit calculations
  ARM: 7795/1: mm: dma-mapping: Add dma_max_pfn(dev) helper function
  ARM: 7794/1: block: Rename parameter dma_mask to max_addr for blk_queue_bounce_limit()
  ARM: DMA-API: better handing of DMA masks for coherent allocations
  ARM: 7857/1: dma: imx-sdma: setup dma mask
  DMA-API: firmware/google/gsmi.c: avoid direct access to DMA masks
  DMA-API: dcdbas: update DMA mask handing
  DMA-API: dma: edma.c: no need to explicitly initialize DMA masks
  DMA-API: usb: musb: use platform_device_register_full() to avoid directly messing with dma masks
  DMA-API: crypto: remove last references to 'static struct device *dev'
  DMA-API: crypto: fix ixp4xx crypto platform device support
  DMA-API: others: use dma_set_coherent_mask()
  DMA-API: staging: use dma_set_coherent_mask()
  DMA-API: usb: use new dma_coerce_mask_and_coherent()
  DMA-API: usb: use dma_set_coherent_mask()
  DMA-API: parport: parport_pc.c: use dma_coerce_mask_and_coherent()
  DMA-API: net: octeon: use dma_coerce_mask_and_coherent()
  DMA-API: net: nxp/lpc_eth: use dma_coerce_mask_and_coherent()
  ...
2013-11-14 07:55:21 +09:00
Sachin Kamat c962f7b95c drivers/video/backlight/hx8357.c: remove redundant of_match_ptr
'hx8357_dt_ids' is always compiled in.  Hence of_match_ptr is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:22 +09:00
Johan Hovold 9b3521ee8f backlight: atmel-pwm-bl: use gpio_request_one
Use devm_gpio_request_one rather than requesting and setting direction
in two calls.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:22 +09:00
Johan Hovold 81b62db56d backlight: atmel-pwm-bl: refactor gpio_on handling
Add helper function to control the gpio_on signal.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold 5ada4550e8 backlight: atmel-pwm-bl: use gpio_is_valid
Use gpio_is_valid rather than open coding the more restrictive != -1
test.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold 7bb8abe6ed backlight: atmel-pwm-bl: remove unused include
Remove unused include of clk.h.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold 9a26a84e3f backlight: atmel-pwm-bl: clean up get_intensity
Clean up get_intensity to increase readability.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold ce726c9738 backlight: atmel-pwm-bl: clean up probe error handling
Clean up probe error handling by checking parameters before any
allocations and removing an obsolete error label.  Also remove unnecessary
reset of private gpio number.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold 5c057e5570 backlight: atmel-pwm-bl: fix module autoload
Add missing module alias which is needed for module autoloading.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold ad5066d4c2 backlight: atmel-pwm-bl: fix gpio polarity in remove
Make sure to honour gpio polarity also at remove so that the backlight is
actually disabled on boards with active-low enable pin.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:21 +09:00
Johan Hovold 185d914425 backlight: atmel-pwm-bl: fix reported brightness
The driver supports 16-bit brightness values, but the value returned
from get_brightness was truncated to eight bits.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Wei Yongjun bcd5b41656 drivers/video/backlight/lm3630a_bl.c: add missing destroy_workqueue() on error in lm3630a_intr_config()
Add the missing destroy_workqueue() before return from
lm3630a_intr_config() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han a18863f5e8 backlight: s6e63m0: use devm_{backlight,lcd}_device_register()
Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han 289a65e46b backlight: cr_bllcd: use devm_{backlight,lcd}_device_register()
Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han 10645a1d18 backlight: corgi_lcd: use devm_{backlight,lcd}_device_register()
Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han 7a78e1b24b backlight: ld9040: use devm_{backlight,lcd}_device_register()
Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han ebc41e43b2 backlight: ams369fg06: use devm_{backlight,lcd}_device_register()
Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han 0524fc5194 backlight: tdo24m: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:20 +09:00
Jingoo Han 1f9ca1eee8 backlight: platform_lcd: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler, and remove
unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han e8796d9f4f backlight: ltv350qv: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han 8358741ab7 backlight: lms501kf03: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han 0a1c55d021 backlight: lms283gf05: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler, and remove
unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han 5690378efa backlight: ili9320: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han a7e9e3ffd7 backlight: ili922x: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han ea5092c890 backlight: hx8357: use devm_lcd_device_register()
Use devm_lcd_device_register() to make cleanup paths simpler, and remove
unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:19 +09:00
Jingoo Han f369e66449 backlight: wm831x_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han 626d09089f backlight: tps65217_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han c423a77121 backlight: pcf50633: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han 75d4baec9b backlight: pandora_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han 18d9dbce46 backlight: max8925_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han e924c2aadf backlight: lv5207lp: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han 6255e8e984 backlight: lp855x: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.  Also,
unnecessary lp855x_backlight_unregister() is removed.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han e86c709894 backlight: lm3533_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:18 +09:00
Jingoo Han da6537850e backlight: kb3886_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han ff47201582 backlight: gpio_backlight: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han de2efd2a9f backlight: generic_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han 23741ada20 backlight: ep93xx: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han 02f0092cb3 backlight: da9052_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han 5644529383 backlight: da903x_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han 26faf15cc6 backlight: bd6107: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:17 +09:00
Jingoo Han 3e61c73c52 backlight: atmel-pwm-bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han 83dedc056b backlight: as3711_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han 568ee6c3c8 backlight: adp8870: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han 91fa4ee8f4 backlight: adp8860: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han 5f652c710d backlight: adp5520: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han c7a2bf3b21 backlight: aat2870: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han f829c9ef82 backlight: 88pm860x_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han c512794cad backlight: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.  This is a cosmetic change to
make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:16 +09:00
Jingoo Han 1f299997b4 backlight: lp8788: staticize 'default_bl_config'
Fix the following sparse warning:

  drivers/video/backlight/lp8788_bl.c:55:25: warning: symbol 'default_bl_config' was not declared. Should it be static?

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Jingoo Han 0ab7b20fa0 backlight: lm3639: don't mix different enum types
Don't mix different enum types to fix the sparse warnings.

  drivers/video/backlight/lm3639_bl.c:80:51: warning: mixing different enum types
  drivers/video/backlight/lm3639_bl.c:80:51:     int enum lm3639_fleds  versus
  drivers/video/backlight/lm3639_bl.c:80:51:     int enum lm3639_bleds
  drivers/video/backlight/lm3639_bl.c:82:51: warning: mixing different enum types
  drivers/video/backlight/lm3639_bl.c:82:51:     int enum lm3639_fleds  versus
  drivers/video/backlight/lm3639_bl.c:82:51:     int enum lm3639_bleds

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Jingoo Han 86b15d5d3b backlight: ld9040: Staticize local variable gamma_table
Fix the following sparse warnings:

  drivers/video/backlight/ld9040_gamma.h:172:3: warning: symbol 'gamma_table' was not declared. Should it be static?

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Daniel Jeong 4c4d2a3a06 backlight: lm3630: fix sparse warning
This patch is to fix sparse warning due to mixing different enum type.

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Dan Carpenter e19493c1f2 drivers/video/backlight/lm3630a_bl.c: potential NULL deref in probe()
We dereference "pdata" later in the function so we can't leave it as NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Dan Carpenter 2a0c316bf3 drivers/video/backlight/lm3630a_bl.c: fix signedness bug in lm3630a_chip_init()
"rval" needs to be signed for the error handling to work.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Daniel Jeong 28e64a68a2 backlight: lm3630: apply chip revision
The LM3630 chip was revised by TI and chip name was also changed to
LM3630A.  And register map, default values and initial sequences are
changed.  The files, lm3630_bl.{c,h} are replaced by lm3630a_bl.{c,h} You
can find more information about LM3630A(datasheet, evm etc) at
http://www.ti.com/product/lm3630a

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:15 +09:00
Milo Kim 5812c13a4e backlight: lp855x_bl: support new LP8555 device
LP8555 is one of the LP855x family devices.

This device needs pre_init_device() and post_init_device() driver
structure.  It's same as LP8557, so the device configuration code is
shared with LP8557.  Backlight outputs are generated from dual DC-DC boost
converters.  It's configurable EPROM settings which are defined in the
platform data.

Driver documentation and device tree bindings are updated.

Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:14 +09:00
Xishi Qiu 3207d9e72c drivers/video/acornfb.c: use __free_reserved_page() to simplify the code
Use __free_reserved_page() to simplify the code in the others.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:03 +09:00
Linus Torvalds 10d0c9705e DeviceTree updates for 3.13. This is a bit larger pull request than
usual for this cycle with lots of clean-up.
 
 - Cross arch clean-up and consolidation of early DT scanning code.
 - Clean-up and removal of arch prom.h headers. Makes arch specific
   prom.h optional on all but Sparc.
 - Addition of interrupts-extended property for devices connected to
   multiple interrupt controllers.
 - Refactoring of DT interrupt parsing code in preparation for deferred
   probe of interrupts.
 - ARM cpu and cpu topology bindings documentation.
 - Various DT vendor binding documentation updates.
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Merge tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DeviceTree updates for 3.13.  This is a bit larger pull request than
  usual for this cycle with lots of clean-up.

   - Cross arch clean-up and consolidation of early DT scanning code.
   - Clean-up and removal of arch prom.h headers.  Makes arch specific
     prom.h optional on all but Sparc.
   - Addition of interrupts-extended property for devices connected to
     multiple interrupt controllers.
   - Refactoring of DT interrupt parsing code in preparation for
     deferred probe of interrupts.
   - ARM cpu and cpu topology bindings documentation.
   - Various DT vendor binding documentation updates"

* tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits)
  powerpc: add missing explicit OF includes for ppc
  dt/irq: add empty of_irq_count for !OF_IRQ
  dt: disable self-tests for !OF_IRQ
  of: irq: Fix interrupt-map entry matching
  MIPS: Netlogic: replace early_init_devtree() call
  of: Add Panasonic Corporation vendor prefix
  of: Add Chunghwa Picture Tubes Ltd. vendor prefix
  of: Add AU Optronics Corporation vendor prefix
  of/irq: Fix potential buffer overflow
  of/irq: Fix bug in interrupt parsing refactor.
  of: set dma_mask to point to coherent_dma_mask
  of: add vendor prefix for PHYTEC Messtechnik GmbH
  DT: sort vendor-prefixes.txt
  of: Add vendor prefix for Cadence
  of: Add empty for_each_available_child_of_node() macro definition
  arm/versatile: Fix versatile irq specifications.
  of/irq: create interrupts-extended property
  microblaze/pci: Drop PowerPC-ism from irq parsing
  of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
  of/irq: Use irq_of_parse_and_map()
  ...
2013-11-12 16:52:17 +09:00
Linus Torvalds 340286cd4e Merge branch 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS changes from Ingo Molnar:
 "The biggest change adds support for Intel 'CPER' (UEFI Common Platform
  Error Record) error logging, which builds upon an enhanced error
  logging mechanism available on Xeon processors.

  Full description is here:

    http://www.intel.com/content/www/us/en/architecture-and-technology/enhanced-mca-logging-xeon-paper.html

  This change provides a module (and support code) to check for an
  extended error log and prints extra details about the error on the
  console"

* 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ACPI, x86: Fix extended error log driver to depend on CONFIG_X86_LOCAL_APIC
  dmi: Avoid unaligned memory access in save_mem_devices()
  Move cper.c from drivers/acpi/apei to drivers/firmware/efi
  EDAC, GHES: Update ghes error record info
  ACPI, APEI, CPER: Cleanup CPER memory error output format
  ACPI, APEI, CPER: Enhance memory reporting capability
  ACPI, APEI, CPER: Add UEFI 2.4 support for memory error
  DMI: Parse memory device (type 17) in SMBIOS
  ACPI, x86: Extended error log driver for x86 platform
  bitops: Introduce a more generic BITMASK macro
  ACPI, CPER: Update cper info
  ACPI, APEI, CPER: Fix status check during error printing
2013-11-12 11:16:44 +09:00
Gu Zheng 3a41c5dbe8 fb: reorder the lock sequence to fix potential dead lock
Following commits:

50e244cc79 fb: rework locking to fix lock ordering on takeover
e93a9a8687 fb: Yet another band-aid for fixing lockdep mess
054430e773 fbcon: fix locking harder

reworked locking to fix related lock ordering on takeover, and introduced console_lock
into fbmem, but it seems that the new lock sequence(fb_info->lock ---> console_lock)
is against with the one in console_callback(console_lock ---> fb_info->lock), and leads to
a potential dead lock as following:

[  601.079000] ======================================================
[  601.079000] [ INFO: possible circular locking dependency detected ]
[  601.079000] 3.11.0 #189 Not tainted
[  601.079000] -------------------------------------------------------
[  601.079000] kworker/0:3/619 is trying to acquire lock:
[  601.079000]  (&fb_info->lock){+.+.+.}, at: [<ffffffff81397566>] lock_fb_info+0x26/0x60
[  601.079000]
but task is already holding lock:
[  601.079000]  (console_lock){+.+.+.}, at: [<ffffffff8141aae3>] console_callback+0x13/0x160
[  601.079000]
which lock already depends on the new lock.

[  601.079000]
the existing dependency chain (in reverse order) is:
[  601.079000]
-> #1 (console_lock){+.+.+.}:
[  601.079000]        [<ffffffff810dc971>] lock_acquire+0xa1/0x140
[  601.079000]        [<ffffffff810c6267>] console_lock+0x77/0x80
[  601.079000]        [<ffffffff81399448>] register_framebuffer+0x1d8/0x320
[  601.079000]        [<ffffffff81cfb4c8>] efifb_probe+0x408/0x48f
[  601.079000]        [<ffffffff8144a963>] platform_drv_probe+0x43/0x80
[  601.079000]        [<ffffffff8144853b>] driver_probe_device+0x8b/0x390
[  601.079000]        [<ffffffff814488eb>] __driver_attach+0xab/0xb0
[  601.079000]        [<ffffffff814463bd>] bus_for_each_dev+0x5d/0xa0
[  601.079000]        [<ffffffff81447e6e>] driver_attach+0x1e/0x20
[  601.079000]        [<ffffffff81447a07>] bus_add_driver+0x117/0x290
[  601.079000]        [<ffffffff81448fea>] driver_register+0x7a/0x170
[  601.079000]        [<ffffffff8144a10a>] __platform_driver_register+0x4a/0x50
[  601.079000]        [<ffffffff8144a12d>] platform_driver_probe+0x1d/0xb0
[  601.079000]        [<ffffffff81cfb0a1>] efifb_init+0x273/0x292
[  601.079000]        [<ffffffff81002132>] do_one_initcall+0x102/0x1c0
[  601.079000]        [<ffffffff81cb80a6>] kernel_init_freeable+0x15d/0x1ef
[  601.079000]        [<ffffffff8166d2de>] kernel_init+0xe/0xf0
[  601.079000]        [<ffffffff816914ec>] ret_from_fork+0x7c/0xb0
[  601.079000]
-> #0 (&fb_info->lock){+.+.+.}:
[  601.079000]        [<ffffffff810dc1d8>] __lock_acquire+0x1e18/0x1f10
[  601.079000]        [<ffffffff810dc971>] lock_acquire+0xa1/0x140
[  601.079000]        [<ffffffff816835ca>] mutex_lock_nested+0x7a/0x3b0
[  601.079000]        [<ffffffff81397566>] lock_fb_info+0x26/0x60
[  601.079000]        [<ffffffff813a4aeb>] fbcon_blank+0x29b/0x2e0
[  601.079000]        [<ffffffff81418658>] do_blank_screen+0x1d8/0x280
[  601.079000]        [<ffffffff8141ab34>] console_callback+0x64/0x160
[  601.079000]        [<ffffffff8108d855>] process_one_work+0x1f5/0x540
[  601.079000]        [<ffffffff8108e04c>] worker_thread+0x11c/0x370
[  601.079000]        [<ffffffff81095fbd>] kthread+0xed/0x100
[  601.079000]        [<ffffffff816914ec>] ret_from_fork+0x7c/0xb0
[  601.079000]
other info that might help us debug this:

[  601.079000]  Possible unsafe locking scenario:

[  601.079000]        CPU0                    CPU1
[  601.079000]        ----                    ----
[  601.079000]   lock(console_lock);
[  601.079000]                                lock(&fb_info->lock);
[  601.079000]                                lock(console_lock);
[  601.079000]   lock(&fb_info->lock);
[  601.079000]
 *** DEADLOCK ***

so we reorder the lock sequence the same as it in console_callback() to
avoid this issue. And following Tomi's suggestion, fix these similar
issues all in fb subsystem.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-11 15:52:59 +02:00
Laurent Pinchart deccd24f90 fbdev: shmobile-lcdcfb: Convert to clk_prepare/unprepare
Turn clk_enable() and clk_disable() calls into clk_prepare_enable() and
clk_disable_unprepare() to get ready for the migration to the common
clock framework.

Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-11 15:33:15 +02:00
Laurent Pinchart d00affb1c6 fbdev: shmobile-hdmi: Convert to clk_prepare/unprepare
Turn clk_enable() and clk_disable() calls into clk_prepare_enable() and
clk_disable_unprepare() to get ready for the migration to the common
clock framework.

Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-11-11 15:32:58 +02:00
Linus Torvalds 78d4a42069 Merge branch 'parisc-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc update from Helge Deller:
 - a bugfix for sticon (parisc text console driver) to not crash the
   64bit kernel on machines with more than 4GB RAM
 - added kernel audit support
 - made udelay() implementation SMP-safe
 - "make install" now does not depend on vmlinux
 - added defconfigs for 32- and 64-kernels

* 'parisc-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: add generic 32- and 64-bit defconfigs
  parisc: sticon - unbreak on 64bit kernel
  parisc: signal fixup - SIGBUS vs. SIGSEGV
  parisc: implement full version of access_ok()
  parisc: correctly display number of active CPUs
  parisc: do not count IPI calls twice
  parisc: make udelay() SMP-safe
  parisc: remove duplicate define
  parisc: make "make install" not depend on vmlinux
  parisc: add kernel audit feature
  parisc: provide macro to create exception table entries
2013-11-11 18:15:25 +09:00
Linus Torvalds 21604cdcdc ARM: SoC cleanups for 3.13
This branch contains code cleanups, moves and removals for 3.13.
 
 Qualcomm msm targets had a bunch of code removal for legacy non-DT
 platforms. Nomadik saw more device tree conversions and cleanup of old
 code. Tegra has some code refactoring, etc.
 
 One longish patch series from Sebastian Hasselbarth changes the init_time
 hooks and tries to use a generic implementation for most platforms,
 since they were all doing more or less the same things.
 
 Finally the "shark" platform is removed in this release. It's been
 abandoned for a while and nobody seems to care enough to keep it
 around. If someone comes along and wants to resurrect it, the removal
 can easily be reverted and code brought back.
 
 Beyond this, mostly a bunch of removals of stale content across the
 board, etc.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This branch contains code cleanups, moves and removals for 3.13.

  Qualcomm msm targets had a bunch of code removal for legacy non-DT
  platforms.  Nomadik saw more device tree conversions and cleanup of
  old code.  Tegra has some code refactoring, etc.

  One longish patch series from Sebastian Hasselbarth changes the
  init_time hooks and tries to use a generic implementation for most
  platforms, since they were all doing more or less the same things.

  Finally the "shark" platform is removed in this release.  It's been
  abandoned for a while and nobody seems to care enough to keep it
  around.  If someone comes along and wants to resurrect it, the removal
  can easily be reverted and code brought back.

  Beyond this, mostly a bunch of removals of stale content across the
  board, etc"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (79 commits)
  ARM: gemini: convert to GENERIC_CLOCKEVENTS
  ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  MAINTAINERS: Add patterns for DTS files for AT91
  ARM: at91: remove init_machine() as default is suitable
  ARM: at91/dt: split sama5d3 peripheral definitions
  ARM: at91/dt: split sam9x5 peripheral definitions
  ARM: Remove temporary sched_clock.h header
  ARM: clps711x: Use linux/sched_clock.h
  MAINTAINERS: Add DTS files to patterns for Samsung platform
  ARM: EXYNOS: remove unnecessary header inclusions from exynos4/5 dt machine file
  ARM: tegra: fix ARCH_TEGRA_114_SOC select sort order
  clk: nomadik: fix missing __init on nomadik_src_init
  ARM: drop explicit selection of HAVE_CLK and CLKDEV_LOOKUP
  ARM: S3C64XX: Kill CONFIG_PLAT_S3C64XX
  ASoC: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support
  ...
2013-11-11 16:42:43 +09:00
Dave Airlie 91915260ea Merge tag 'drm-intel-fixes-2013-11-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
Bit a bit -fixes pull request in the merge window than usual dua to two
feauture-y things:
- Display CRCs are now enabled on all platforms, including the odd DP case
  on gm45/vlv. Since this is a testing-only feature it should ever hurt,
  but I figured it'll help with regression-testing -fixes. So I left it
  in and didn't postpone it to 3.14.
- Display power well refactoring from Imre. Would have caused major pain
  conflict with the bdw stage 1 patches if I'd postpone this to -next.
  It's only an relatively small interface rework, so shouldn't cause pain.
  It's also been in my tree since almost 3 weeks already.

That accounts for about two thirds of the pull, otherwise just bugfixes:
- vlv backlight fix from Jesse/Jani
- vlv vblank timestamp fix from Jesse
- improved edp detection through vbt from Ville (fixes a vlv issue)
- eDP vdd fix from Paulo
- fixes for dvo lvds on i830M
- a few smaller things all over

Note: This contains a backmerge of v3.12. Since the -internal branch
always applied on top of -nightly I need that unified base to merge bdw
patches. So you'll get a conflict with radeon connector props when pulling
this (and nouveau/master will also conflict a bit when Ben doesn't
rebase). The backmerge itself only had conflicts in drm/i915.

There's also a tiny conflict between Jani's backlight fix and your sysfs
lifetime fix in drm-next.

* tag 'drm-intel-fixes-2013-11-07' of git://people.freedesktop.org/~danvet/drm-intel: (940 commits)
  drm/i915/vlv: use per-pipe backlight controls v2
  drm/i915: make backlight functions take a connector
  drm/i915: move opregion asle request handling to a work queue
  drm/i915/vlv: use PIPE_START_VBLANK interrupts on VLV
  drm/i915: Make intel_dp_is_edp() less specific
  drm/i915: Give names to the VBT child device type bits
  drm/i915/vlv: enable HDA display audio for Valleyview2
  drm/i915/dvo: call ->mode_set callback only when the port is running
  drm/i915: avoid unclaimed registers when capturing the error state
  drm/i915: Enable DP port CRC for the "auto" source on g4x/vlv
  drm/i915: scramble reset support for DP port CRC on vlv
  drm/i915: scramble reset support for DP port CRC on g4x
  drm/i916: add "auto" pipe CRC source
  ...

Conflicts:
	MAINTAINERS
	drivers/gpu/drm/i915/intel_panel.c
	drivers/gpu/drm/nouveau/core/subdev/mc/base.c
	drivers/gpu/drm/radeon/atombios_encoders.c
	drivers/gpu/drm/radeon/radeon_connectors.c
2013-11-08 16:34:39 +10:00
Helge Deller 0219132fe7 parisc: sticon - unbreak on 64bit kernel
STI text console (sticon) was broken on 64bit machines with more than
4GB RAM and this lead in some cases to a kernel crash.

Since sticon uses the 32bit STI API it needs to keep pointers to memory
below 4GB. But on a 64bit kernel some memory regions (e.g. the kernel
stack) might be above 4GB which then may crash the kernel in the STI
functions.

Additionally sticon didn't selected the built-in framebuffer fonts by
default. This is now fixed.

On a side-note: Theoretically we could enhance the sticon driver to
use the 64bit STI API. But - beside the fact that some machines don't
provide a 64bit STI ROM - this would just add complexity.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 3.8+
2013-11-07 22:46:20 +01:00
Linus Torvalds 0324e74534 Driver Core / sysfs patches for 3.13-rc1
Here's the big driver core / sysfs update for 3.13-rc1.
 
 There's lots of dev_groups updates for different subsystems, as they all
 get slowly migrated over to the safe versions of the attribute groups
 (removing userspace races with the creation of the sysfs files.)  Also
 in here are some kobject updates, devres expansions, and the first round
 of Tejun's sysfs reworking to enable it to be used by other subsystems
 as a backend for an in-kernel filesystem.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core / sysfs patches from Greg KH:
 "Here's the big driver core / sysfs update for 3.13-rc1.

  There's lots of dev_groups updates for different subsystems, as they
  all get slowly migrated over to the safe versions of the attribute
  groups (removing userspace races with the creation of the sysfs
  files.) Also in here are some kobject updates, devres expansions, and
  the first round of Tejun's sysfs reworking to enable it to be used by
  other subsystems as a backend for an in-kernel filesystem.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'driver-core-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (83 commits)
  sysfs: rename sysfs_assoc_lock and explain what it's about
  sysfs: use generic_file_llseek() for sysfs_file_operations
  sysfs: return correct error code on unimplemented mmap()
  mdio_bus: convert bus code to use dev_groups
  device: Make dev_WARN/dev_WARN_ONCE print device as well as driver name
  sysfs: separate out dup filename warning into a separate function
  sysfs: move sysfs_hash_and_remove() to fs/sysfs/dir.c
  sysfs: remove unused sysfs_get_dentry() prototype
  sysfs: honor bin_attr.attr.ignore_lockdep
  sysfs: merge sysfs_elem_bin_attr into sysfs_elem_attr
  devres: restore zeroing behavior of devres_alloc()
  sysfs: fix sysfs_write_file for bin file
  input: gameport: convert bus code to use dev_groups
  input: serio: remove bus usage of dev_attrs
  input: serio: use DEVICE_ATTR_RO()
  i2o: convert bus code to use dev_groups
  memstick: convert bus code to use dev_groups
  tifm: convert bus code to use dev_groups
  virtio: convert bus code to use dev_groups
  ipack: convert bus code to use dev_groups
  ...
2013-11-07 11:42:15 +09:00
Linus Torvalds c287322c3a USB driver update for 3.13-rc1
Here's the big USB driver update for 3.13-rc1.
 
 It includes the usual xhci changes, EHCI updates to get the scheduling
 of USB transactions working better, and a raft of gadget and musb
 updates as well.
 
 All of this has been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver update from Greg KH:
 "Here's the big USB driver update for 3.13-rc1.

  It includes the usual xhci changes, EHCI updates to get the scheduling
  of USB transactions working better, and a raft of gadget and musb
  updates as well.

  All of this has been in linux-next for a while with no reported
  issues"

* tag 'usb-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (305 commits)
  USB: Maintainers change for usb serial drivers
  usb: usbtest: support container id descriptor test
  usb: usbtest: support superspeed device capbility descriptor test
  usb: usbtest: support usb2 extension descriptor test
  usb: chipidea: only get vbus regulator for non-peripheral mode
  USB: ehci-atmel: add usb_clk for transition to CCF
  usb: cdc-wdm: ignore speed change notifications
  USB: cdc-wdm: support back-to-back USB_CDC_NOTIFY_RESPONSE_AVAILABLE notifications
  usbatm: Fix dynamic_debug / ratelimited atm_dbg and atm_rldbg macros
  printk: pr_debug_ratelimited: check state first to reduce "callbacks suppressed" messages
  usb: usbtest: support bos descriptor test for usb 3.0
  USB: phy: samsung: Support multiple PHYs of same type
  usb: wusbcore: change WA_SEGS_MAX to a legal value
  usb: wusbcore: add a quirk for Alereon HWA device isoc behavior
  usb: wusbcore: combine multiple isoc frames in a single transfer request.
  usb: wusbcore: set the RPIPE wMaxPacketSize value correctly
  usb: chipidea: host: more enhancement when ci->hcd is NULL
  usb: ohci: remove ep93xx bus glue platform driver
  usb: usbtest: fix checkpatch warning as sizeof code style
  UWB: clean up attribute use by using ATTRIBUTE_GROUPS()
  ...
2013-11-07 09:19:48 +09:00
Russell King e0a8ba2581 DMA-API: video: clcd: add dma_set_mask_and_coherent() call
The DMA API requires drivers to call the appropriate dma_set_mask()
functions before doing any DMA mapping.  Add this required call to
the AMBA PL08x driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-10-31 14:48:42 +00:00
Marek Belisko 8623ec220b omapdss: Add new panel driver for Topolly td028ttec1 LCD.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
[tomi.valkeinen@ti.com: made a few funcs static]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-31 12:30:36 +02:00
Thierry Reding dee8268f8f drm/tegra: Move driver to DRM tree
In order to make subsystem-wide changes easier, move the Tegra DRM
driver back into the DRM tree.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-31 09:55:40 +01:00
Sachin Kamat 8900346d5c video: exynos_mipi_dsi: Unlock the mutex before returning
Mutex should be unlocked before returning. Fixes mutex lock-unlock
imbalance issue.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-30 13:52:36 +02:00
Manish Badarkhe fa3fd89f9d video: da8xx-fb: remove unwanted define
Remove unwanted define "WSI_TIMEOUT" present in code.

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-30 13:36:48 +02:00
Joe Perches cf6ac4ce1b video: Remove unnecessary semicolons
These aren't necessary after switch, for, and if blocks.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-30 13:34:52 +02:00
David Herrmann 9e210be68a simplefb: use write-combined remapping
Framebuffers shouldn't be cached and it is usually very uncommon to read
them. Therefore, use ioremap_wc() to get significant speed improvements on
systems which provide it. On all other systems it's aliased to
ioremap_nocache() which is also fine.

Reported-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Tested-by: Tom Gundersen <teg@jklm.no>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-30 12:49:02 +02:00
David Herrmann 498f6d3660 simplefb: fix unmapping fb during destruction
Unfortunately, fbdev does not create its own "struct device" for
framebuffers. Instead, it attaches to the device of the parent layer. This
has the side-effect that devm_* managed resources are not cleaned up on
framebuffer-destruction but rather during destruction of the
parent-device. In case of fbdev this might be too late, though.
remove_conflicting_framebuffer() may remove fbdev devices but keep the
parent device as it is.

Therefore, we now use plain ioremap() and unmap the framebuffer in the
fb_destroy() callback. Note that we must not free the device here as this
might race with the parent-device removal. Instead, we rely on
unregister_framebuffer() as barrier and we're safe.

Reported-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-30 12:49:01 +02:00
Linus Torvalds 7314e613d5 Fix a few incorrectly checked [io_]remap_pfn_range() calls
Nico Golde reports a few straggling uses of [io_]remap_pfn_range() that
really should use the vm_iomap_memory() helper.  This trivially converts
two of them to the helper, and comments about why the third one really
needs to continue to use remap_pfn_range(), and adds the missing size
check.

Reported-by: Nico Golde <nico@ngolde.de>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org.
2013-10-29 10:21:34 -07:00
Tomi Valkeinen cc9fd77c08 OMAPDSS: connector-dvi: fix releasing i2c_adapter
i2c adapter is not released correctly on error paths. Fix this.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 13:36:17 +02:00
Tomi Valkeinen 477fed7029 OMAPDSS: DSI: fix perf measuring ifdefs
DSI performance measuring code is meant to be explicitly enabled at
compile time. At some point in time the perf code was changed to be
enabled if DEBUG is defined. This is not right, so this patch fixes it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 13:27:06 +02:00
Joe Perches 31b6780c15 framebuffer: Use fb_<level>
Neaten and shorten the code using the new fb_<level> macros.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 12:53:07 +02:00
James Bates 55aa42f2e6 efifb: prevent null-deref when iterating dmi_list
The dmi_list array is initialized using gnu designated initializers, and
therefore may contain fewer explicitly defined entries as there are
elements in it. This is because the enum above with M_xyz constants
contains more items than the designated initializer. Those elements not
explicitly initialized are implicitly set to 0.

Now efifb_setup() loops through all these array elements, and performs
a strcmp on each item. For non explicitly initialized elements this will
be a null pointer:

This patch swaps the check order in the if statement, thus checks first
whether dmi_list[i].base is null.

Signed-off-by: James Bates <james.h.bates@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 12:41:46 +02:00
Wei Yongjun e8ddb0cfa1 fbdev: fix error return code in metronomefb_probe()
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 12:20:11 +02:00
Stephen Rothwell 33826d01d0 video: xilinxfb: Fix for "Use standard variable name convention"
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Tested-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-29 10:49:40 +02:00
Olof Johansson 43d93947a5 Via Paul Walmsley <paul@pwsan.com>:
Move some of the OMAP2+ CM and System Control Module direct
 register accesses into CM- and System Control
 Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
 is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
 drivers/.
 
 Basic test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/
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Merge tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Paul Walmsley <paul@pwsan.com> via Tony Lindgren:

Move some of the OMAP2+ CM and System Control Module direct
register accesses into CM- and System Control
Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
drivers/.

Basic test logs are available here:

http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/

* tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  + Linux 3.12-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28 14:39:03 -07:00
Thierry Reding 73d4e2b82b pwm-backlight: Remove unused variable
I forgot to remove this during earlier cleanup patches and only checked
various builds for errors, not warnings.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2013-10-22 09:37:05 +02:00
Huayi Li 1dea1fd092 pwm_backlight: avoid short blank screen while doing hibernation
Use SIMPLE_DEV_PM_OPS macro will initialize the member "freeze"
and "thaw" of pwm_backlight_pm_ops as below,
	.freeze = suspend_fn,
	.thaw = resume_fn,
then during the process of making hibernation snapshot, screen
will be blank at the moment of freezing, and then light at the
moment of thawing.
this is not the right user experience for suspending to disk.

so this patch drops freeze and thaw callback, make the LCD is
always lighting before the final shutdown.

Signed-off-by: Huayi Li <huayi.li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2013-10-22 09:26:12 +02:00
Chen, Gong 10ef6b0dff bitops: Introduce a more generic BITMASK macro
GENMASK is used to create a contiguous bitmask([hi:lo]). It is
implemented twice in current kernel. One is in EDAC driver, the other
is in SiS/XGI FB driver. Move it to a more generic place for other
usage.

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2013-10-21 15:12:01 -07:00
Thierry Reding e4bfeda968 pwm-backlight: Fix brightness adjustment
Split adjustment of the brightness (by changing the PWM duty cycle) from
the power on sequence. This fixes an issue where the brightness can no
longer be updated once the backlight has been enabled.

Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-18 10:50:46 +02:00
Roel Kluin 9b842a470a OMAPDSS: Fix de_level in videomode_to_omap_video_timings()
In videomode_to_omap_video_timings, de_level is always set to HIGH
regardless of what the vm->flags says. Fix this to set it to high or low
according to vm->flags.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
[tomi.valkeinen@ti.com: rewrote the desc]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-18 10:57:43 +03:00
Jingoo Han 8114fabc94 video: exynos_dp: Use the generic PHY driver
Use the generic PHY API to control the DP PHY.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-16 13:48:09 -07:00
Jingoo Han f9b1e013f1 video: exynos_dp: remove non-DT support for Exynos Display Port
Exynos Display Port can be used only for Exynos SoCs. In addition,
non-DT for EXYNOS SoCs is not supported from v3.11; thus, there is
no need to support non-DT for Exynos Display Port.

The 'include/video/exynos_dp.h' file has been used for non-DT
support and the content of file include/video/exynos_dp.h is moved
to drivers/video/exynos/exynos_dp_core.h. Thus, the 'exynos_dp.h'
file is removed. Also, 'struct exynos_dp_platdata' is removed,
because it is not used any more.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-16 13:48:09 -07:00
Sylwester Nawrocki 7e0be9f9f7 video: exynos_mipi_dsim: Use the generic PHY driver
Use the generic PHY API instead of the platform callback
for the MIPI DSIM DPHY enable/reset control.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Donghwa Lee <dh09.lee@samsung.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-16 13:48:08 -07:00
Mike Dunn 8f43e18e27 pwm-backlight: Allow for non-increasing brightness levels
Currently the driver assumes that the values specified in the
brightness-levels device tree property increase as they are parsed from
left to right.  But boards that invert the signal between the PWM output
and the backlight will need to specify decreasing brightness-levels.
This patch removes the assumption that the last element of the array is
the maximum value, and instead searches the array for the maximum value
and uses that in the duty cycle calculation.

Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:20:09 +02:00
Thierry Reding 22ceeee16e pwm-backlight: Add power supply support
Backlights require a power supply to work properly. This commit adds a
regulator to power up and power down the backlight.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:20:09 +02:00
Thierry Reding 8265b2e4e6 pwm-backlight: Use new enable_gpio field
Make use of the new enable_gpio field and allow it to be set from DT as
well. Now that all legacy users of platform data have been converted to
initialize this field to an invalid value, it is safe to use the field
from the driver.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:20:09 +02:00
Thierry Reding 97c3843711 pwm-backlight: Track enable state
Follow up patches will add support for more complex means of powering
the backlight on and off such as using a regulator. To prevent calls to
the regulator API from becoming unbalanced, keep track of the enabled
state internally.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:05:57 +02:00
Thierry Reding 62b744a87c pwm-backlight: Refactor backlight power on/off
In preparation for adding an optional regulator and enable GPIO to the
driver, split the power on and power off sequences into separate
functions to reduce code duplication at the multiple call sites.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:05:56 +02:00
Thierry Reding 668e63c670 pwm-backlight: Improve readability
Add more blank lines to increase readability. While at it, remove a
trailing blank line at the end of the file.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-10-16 09:05:56 +02:00
Aaron Lu 5915a3db0c backlight: introduce backlight_device_registered
Introduce a new API for modules to query if a specific type of backlight
device has been registered. This is useful for some backlight device
provider module (e.g. ACPI video) to know if a native control
interface(e.g. the interface created by i915) is available and then do
things accordingly (e.g. avoid registering its own on Win8 systems).

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-16 01:16:04 +02:00
Michal Simek 718b90ac4c video: xilinxfb: Simplify error path
devm_iounmap is called automatically that's why remove it from the code
dev_set_drvdata(dev, NULL) is called by generic code
after device_release or on probe failure.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-11 08:56:54 +03:00
Michal Simek 5c128df747 video: xilinxfb: Use devm_kzalloc instead of kzalloc
Simplify driver probe and release function.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-11 08:56:54 +03:00
Michal Simek 353846fb8b video: xilinxfb: Use standard variable name convention
s/op/pdev/ in xilinxfb_of_probe().
No functional chagnes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-11 08:56:54 +03:00
Rob Herring 5af5073004 drivers: clean-up prom.h implicit includes
Powerpc is a mess of implicit includes by prom.h. Add the necessary
explicit includes to drivers in preparation of prom.h cleanup.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
2013-10-09 20:04:04 -05:00
Gerd Hoffmann 9b5254b460 hyperv-fb: add blanking support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:52:50 +03:00
Gerd Hoffmann 7ad9684721 hyperv-fb: add pci stub
This patch adds a pci stub driver to hyper-fb.  The hyperv framebuffer
driver will bind to the pci device then, so linux kernel and userspace
know there is a proper kernel driver for the device active.  lspci shows
this for example:

[root@dhcp231 ~]# lspci -vs8
00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual
VGA (prog-if 00 [VGA controller])
        Flags: bus master, fast devsel, latency 0, IRQ 11
        Memory at f8000000 (32-bit, non-prefetchable) [size=64M]
        Expansion ROM at <unassigned> [disabled]
        Kernel driver in use: hyperv_fb

Another effect is that the xorg vesa driver will not attach to the
device and thus the Xorg server will automatically use the fbdev
driver instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:52:24 +03:00
Richard Röjfors 7831b2ae4a OMAPDSS: HDMI: Correctly compare timings
There is currently a copy and paste error where the hdmi vsync timings are not
compared correctly, this patch fixes this.

Signed-off-by: Richard Röjfors <richard.rojfors@gmail.com>
[tomi.valkeinen@ti.com: fixed to apply on top of latest tree]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:41 +03:00
Archit Taneja 08d83e4e17 omapdss: HDMI: move common functions to a separate file
The OMAP4 HDMI encoder driver(hdmi4.c) contains timings tables, and helper
functions which can be used as is by the OMAP5/DRA7x encoder driver. Move these
to hdmi_common.c so that it's not replicated in the future.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:37 +03:00
Archit Taneja c8a0d959b7 omapdss: OMAP4: HDMI: remove unnecessary edid macros
The hdmi4 driver has edid macros that aren't used at all. Remove them.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:33 +03:00
Archit Taneja ef26958a0c omapdss: HDMI: Rename hdmi driver files to nicer names
Replace the ti_hdmi_4xxx* notation for OMAP4 HDMI driver with hdmi4. Rename
the hdmi.c encoder driver to hdmi4.c. Rename ti_hdmi.h to hdmi.h

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:30 +03:00
Archit Taneja 8696131fad omapdss: HDMI: add HDMI wrapper IRQ flags
Add flags for the interrupts present in HDMI wrapper block, these will be used
to configure HDMI_IRQENABLE_SET/CLEAR and HDMI_IRQSTATUS registers.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:27 +03:00
Archit Taneja bdb8bfc652 omapdss: HDMI: Clean up the header files
Keep only OMAP4 HDMI core block related structs and enums in ti_hdmi_4xxx_ip.h,
move the rest to ti_hdmi.h. This holds all library specific data which will be
shared between OMAP4 and OMAP5/DRA7x HDMI encoder drivers.

Move the duplicate register read/write/wait_for_bit_change functions in the hdmi
library files to ti_hdmi.h

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:23 +03:00
Archit Taneja 275cfa1a9d omapdss: HDMI: remove hdmi_ip_data struct
The struct hdmi_ip_data contains information related to HDMI wrapper, PLL, PHY
and core sub-blocks. Now that each of these sub blocks has it's own struct,
hdmi_ip_data serves no purpose. The mutex lock in the struct was also never
used.

Remove this struct to make things cleaner.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:19 +03:00
Archit Taneja 425f02fdee omapdss: HDMI: Use OMAP4 HDMI core functions directly and remove hdmi_ip_ops
After removing wrapper, pll and phy funcs from ti_hdmi_4xxx_ip.c, we are left
with OMAP4 HDMI core functions. Use these directly in hdmi.c rather than using
hdmi_ip_ops. Rename the core functions with a 'hdmi4' suffix.

We used to have hdmi_ip_ops so that one could support HDMI within a TI SoC which
had a non-DSS display subsytem. This however never got put into use, and hence
these ops aren't useful any more.

The DT/hwmod information for hdmi doesn't split the address space according to
the required sub blocks. Keep the address offset and size information in the
driver for now. This will be removed when the driver gets the information
correctly from DT/hwmod.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:15 +03:00
Archit Taneja 5cac5aee18 omapdss: HDMI: create a PHY library
HDMI PHY is a block common to DSS in OMAP4, OMAP5 and DRA7x. Move the
existing functions from ti_hdmi_4xxx_ip.c to a separate file. These funcs are
called directly from the hdmi driver rather than hdmi_ip_ops function pointer
calls.

Add the PHY library function declarations to ti_hdmi.h. These will be shared
amongst the omap4/5 hdmi platform drivers. Remove the PHY function pointer ops
from the ti_hdmi_ip_ops struct.

The DT/hwmod information for hdmi doesn't split the address space according to
the required sub blocks. Keep the address offset and size information in the
driver for now. This will be removed when the driver gets the information
correctly from DT/hwmod.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:11 +03:00
Archit Taneja c1577c1ea0 omapdss: HDMI: create a PLL library
HDMI PLL is a block common to DSS in OMAP4, OMAP5 and DRA7x. Move the
existing PLL functions from ti_hdmi_4xxx_ip.c and hdmi.c to a separate file.
These funcs are called directly from the hdmi driver rather than hdmi_ip_ops
function pointer calls.

Add the PLL library function declarations to ti_hdmi.h. These will be shared
amongst the omap4/5 hdmi platform drivers. Remove the PLL function pointer ops
from the ti_hdmi_ip_ops struct. These will be shared amongst the omap4/5 hdmi
platform drivers and other libraries.

The DT/hwmod information for hdmi doesn't split the address space according to
the required sub blocks. Keep the address offset and size information in the
driver for now. This will be removed when the driver gets the information
correctly from DT/hwmod.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:07 +03:00
Archit Taneja f382d9eb82 omapdss: HDMI: create a Wrapper library
HDMI wrapper is a block common to DSS in OMAP4, OMAP5 and DRA7x. Move the
existing functions from ti_hdmi_4xxx_ip.c to a separate file. These funcs are
called directly from the hdmi driver rather than hdmi_ip_ops funtion pointer
calls.

Add new wrapper funcs which can be used by other hdmi libraries like core, pll
and phy. Move some of the enums, structs and funcs related to the wrapper from
ti_hdmi_4xxx_ip.h to ti_hdmi.h. These will be shared amongst the omap4/5 hdmi
platform drivers and other libraries.

The old hdmi_wp_init() is removed since it didn't do anything. Timing parameters
like interlace, hsync_level and vsync_level weren't copied correctly before.
Those are copied correctly now.

The DT/hwmod information for hdmi doesn't split the address space according to
the required sub blocks. Keep the address offset and size information in the
driver for now. This will be removed when the driver gets the information
correctly from DT/hwmod.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:42:03 +03:00
Tom Gundersen 9f192a9228 simplefb: print some info about the registered fb
This is similar to the output printed by efifb.

Signed-off-by: Tom Gundersen <teg@jklm.no>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:46 +03:00
Sachin Kamat 6c666b4188 video: wmt_ge_rops: Fix a trivial typo
Add a missing closing brace for email address.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:46 +03:00
Sachin Kamat 421ee4eafc video: wmt_ge_rops: Remove redundant of_match_ptr
The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:45 +03:00
Sachin Kamat a17016f0a6 video: wm8505fb: Remove redundant of_match_ptr
The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Ed Spiridonov <edo.rus@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:45 +03:00
Sachin Kamat d71f8cdfdb video: ssd1307fb: Remove redundant of_match_ptr
The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:44 +03:00
Michal Simek c5136a033f video: amba-clcd: Remove unnecessary amba_set_drvdata()
Driver core clears the driver data to NULL after device_release
or on probe failure, so just remove it from here.

Driver core change:
"device-core: Ensure drvdata = NULL when no driver is bound"
(sha1: 0998d06310)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:44 +03:00
Sangjung Woo 4d26ec5ddf fbdev: sh_mobile_hdmi: Use devm_kzalloc()
Use devm_kzalloc() instead of kzalloc() in order to be free
automatically. This makes cleanup paths more simple.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-10-09 12:35:43 +03:00
Hanjun Guo 55be310892 Video / au1100fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:10 +03:00
Hanjun Guo d07b319143 Video / au1200fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo fbc0156c8e Video / bf54x-lq043fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo 46fc95030d Video / broadsheetfb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo be75b5b535 Video / cobalt_lcdfb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo 44f544f752 Video / da8xx-fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo 5fc89379da Video / jz4740_fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo ae6b639dd8 Video / metronomefb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:09 +03:00
Hanjun Guo 688e6e22cd Video / bfin-t350mcqb-fb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:08 +03:00
Hanjun Guo 86bf043897 Video / hecubafb: Use module_platform_driver() to simplify code
Convert to module_platform_driver() to simplify code.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-30 10:51:08 +03:00
Greg Kroah-Hartman 88502b9c0a Merge 3.12-rc3 into driver-core-next
We want the driver core and sysfs fixes in here to make merges and
development easier.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-29 18:29:23 -07:00
Ricardo Neri 78145a95fb OMAPDSS: HDMI: OMAP4: Complete dumping of core registers
Add missing register entries when dumping the core.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:23 +03:00
Ricardo Neri 46c4a7551d OMAPDSS: HDMI: OMAP4: Complete register definitions for core
Add missing register definitions; mainly for colorspace conversion, video
timing and interrupt handling.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:22 +03:00
Ricardo Neri 190d57c950 OMAPDSS: HDMI: OMAP4: Rename the HDMI_CORE_CTRL1 register
Rename the register to be aligned with the HDMI_CORE_SYS naming convention.
Also, update the naming of the #defines used for its fields.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:22 +03:00
Ricardo Neri 8a768c8079 OMAPDSS: HDMI: OMAP4: Complete dumping of DPLL registers
Add the spread spectrum clock configuration registers to the DPLL dump.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:21 +03:00
Ricardo Neri a798eb7ee8 OMAPDSS: HDMI: OMAP4: Complete register definitions for DPLL
Add missing register definitions for spread spectrum clocking.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:21 +03:00
Ricardo Neri a7e71262af OMAPDSS: HDMI: OMAP4: Complete dumping of wrapper registers
Add missing registers when dumping the HDMI wrapper. Also, order the dump by
offset to improve readability.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:21 +03:00
Ricardo Neri 40e6237710 OMAPDSS: HDMI: OMAP4: Complete register definitions for wrapper
Add definitions for missing registers in the HDMI wrapper. Also, order
the registers by offset to improve readability.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:58:20 +03:00
Jean-Christophe PLAGNIOL-VILLARD b985172b32 video: atmel_lcdfb: add device tree suport
get display timings from device tree
Use videomode helpers to get display timings and configurations from
device tree

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:26:20 +03:00
Jean-Christophe PLAGNIOL-VILLARD ce3b64f5f1 video: atmel_lcdfb: pass the pdata as params
so we can use have list gpio as example (probe via DT)

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:26:20 +03:00
Jean-Christophe PLAGNIOL-VILLARD 42110e91de video: atmel_lcdfb: introduce atmel_lcdfb_power_control
to simplify the check on the presence of the callback

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:26:19 +03:00
Jean-Christophe PLAGNIOL-VILLARD 8af2c2869f video: atmel_lcdfb: fix platform data struct
Today we mix pdata and drivers data in the struct atmel_lcdfb_info
Fix it and introduce a new struct atmel_lcdfb_pdata for platform data only

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-27 09:26:19 +03:00
Johan Hovold 9d3fde86b1 backlight: atmel-pwm-bl: fix deferred probe from __init
Move probe out of __init section and don't use platform_driver_probe
which cannot be used with deferred probing.

Since commit e9354576 ("gpiolib: Defer failed gpio requests by default")
this driver might return -EPROBE_DEFER if a gpio_request fails.

Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-26 16:18:33 -07:00
Marek Vasut 6d0bb81804 video: mxsfb: Add missing break
Add missing break into the restore function.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 15:33:23 +03:00
Sachin Kamat 090fd59308 video: xilinxfb: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:27 +03:00
Sachin Kamat 3e3d2225ae video: tcx: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:26 +03:00
Sachin Kamat cb643dfbbd video: sunxvr1000: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:26 +03:00
Sachin Kamat cacb413617 video: platinumfb: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:25 +03:00
Sachin Kamat 391962f618 video: p9100: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:25 +03:00
Sachin Kamat 38710d409b video: ffb: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:24 +03:00
Sachin Kamat d2b800c0c9 video: cg6: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:24 +03:00
Sachin Kamat 3d2ae2dc9e video: cg3: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:23 +03:00
Sachin Kamat b3a4f58dbd video: cg14: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:23 +03:00
Sachin Kamat 5fb4baeab6 video: bw2: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:22 +03:00
Sachin Kamat bc4626fc87 video: amifb: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:22 +03:00
Sachin Kamat 74a7b36259 video: mb862xx: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:09 +03:00
Sachin Kamat 064f29e00a video: leo: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:08 +03:00
Sachin Kamat 22b67c0ab2 video: grvga: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:49:07 +03:00
Sachin Kamat a36bf19255 video: atmel_lcdfb: Remove redundant dev_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:48:49 +03:00
Lars-Peter Clausen aeac9e3f89 video: jz4740-fb: Use clk_prepare_enable/clk_disable_unprepare
In preparation to switching the jz4740 clk driver to the common clk framework
update the clk enable/disable calls to clk_prepare_enable/clk_disable_unprepare.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:23:53 +03:00
Lars-Peter Clausen 8a519c437a video: jz4740-fb: Fix LCD_CMD bit definitions
Fix the bit offsets for the LCD_CMD definitions.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 13:23:53 +03:00
Joe Perches 224b93c5b1 framebuffer: arkfb: Fix framebugger typo
s/framebugger/framebuffer/

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 12:46:27 +03:00
Andrzej Hajda 60119a1d68 video: of: display_timing: correct display-timings node finding
of_get_display_timing(s) use of_find_node_by_name
to get child node, this is incorrect, of_get_child_by_name
should be used instead. The patch fixes it.
Small typo is also corrected.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 12:31:42 +03:00
Sachin Kamat bb1d2da7db video: riva: Remove incorrect checks
'xoffset' and 'yoffset' are unsigned and hence cannot be less than 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:52:31 +03:00
Sachin Kamat cd1979b670 video: aty: Remove incorrect checks
'xoffset' and 'yoffset' are unsigned and hence cannot be less than 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:52:31 +03:00
Sachin Kamat 8639fac5da video: cirrusfb: Remove incorrect checks
'xoffset' and 'yoffset' are unsigned and hence cannot be less than 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:52:31 +03:00
Sachin Kamat 1ca3bc11aa video: vfb: Remove incorrect check
'yoffset' is unsigned and hence cannot be less than 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:52:31 +03:00
Sachin Kamat b1dfee60c8 video: uvesafb: Remove redundant NULL check
kfree on a NULL pointer is a no-op.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Michal Januszewski <spock@gentoo.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:08 +03:00
Sachin Kamat a13afa4923 video: kyro: Remove redundant break
'break' after return statement is redundant. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:08 +03:00
Sachin Kamat e72d649cf8 video: aty: Remove redundant break
'break' after return statement is redundant. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:08 +03:00
Sachin Kamat 58f3853af9 video: da8xx-fb: Staticize reg_context
'reg_context' is local to this file. Make it static.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:08 +03:00
Sachin Kamat 9aae307c6a video: smscufx: Use NULL instead of 0
'info' is a pointer. Use NULL instead of 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:08 +03:00
Sachin Kamat ceeddb4e69 video: udlfb: Use NULL instead of 0
new_back is a pointer. Use NULL instead of 0.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:50:07 +03:00
Sachin Kamat d24c815b74 backlight: tosa: Remove redundant spi_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:47:27 +03:00
Sachin Kamat f767f7acee backlight: l4f00242t03: Remove redundant spi_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:47:14 +03:00
Wei Yongjun 8c42cf7549 neofb: fix error return code in neofb_probe()
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:45:16 +03:00
Wei Yongjun a2a6fc5f18 s3fb: fix error return code in s3_pci_probe()
Fix to return -EINVAL when virtual vertical size smaller than real
instead of 0, as done elsewhere in this function. Also remove dup code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:45:15 +03:00
Uwe Kleine-König fb8a15079a video: mmp: drop needless devm cleanup
The nice thing about devm_* is that the driver doesn't need to free the
resources but the driver core takes care about that. This also
simplifies the error path quite a bit and removes the wrong check for a
clock pointer being NULL.

Russell King - ARM Linux <linux@arm.linux.org.uk>:
"And this patch also fixes the above: disabling/unpreparing _after_ putting
the thing - which was quite silly... :)"

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:41:24 +03:00
Mark Brown 633358e9ff OMAPDSS: Add missing dependency on backlight for DSI-CM panel drier
The DSI-CM driver uses the backlight class so needs to build depend on it.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-26 11:38:10 +03:00
Linus Walleij fc6ad619a5 video: drop code for ARCH_SHARK in cyber2000fb
The Cyber2000 frame buffer driver contains a block of code solely
for the Shark machine. As the machine is deleted, delete this
code as well.

Also remove the pointless #ifdef CONFIG_PCI as the Kconfig
clearly states PCI as a dependency anyway.

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-09-25 15:25:24 +02:00
Peter Senna Tschudin 62a83183c4 OMAPDSS: DISPC: Fix assignment of 0/1 to bool variables
Convert 0 to false and 1 to true when assigning values to bool
variables. Inspired by commit 3db1cd5c05.

The simplified semantic patch that find this problem is as
follows (http://coccinelle.lip6.fr/):

@@
bool b;
@@
(
-b = 0
+b = false
|
-b = 1
+b = true
)

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-23 10:34:30 +03:00
Jing Xiang 24586d8342 video: mmp: add pitch info in mmp_win structure
Add pitch length info of graphics/video layer, pitch is used
to represent line length in byte, the usage depends on pix_fmt.
If the fmt is YUV, the pitch[0] will be Y length,pitch[1]
will be U length, pitch[2] will be V lenth.
If the fmt is RGB, the picth[0] will be line lenth, and
pitch[1]/pitch[2] will be 0 and not be used.

Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:52:33 +03:00
Jing Xiang cc50bc5bb2 video: mmp: calculate pitch value when fb set win
Add new func mmpfb_set_win to make code clean, it will do resolution
and fmt setting of win in mmpfb_set_win.

Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:52:33 +03:00
Guoqing Li 1f2e42c6c3 video: mmp: optimize some register setting code
There are dumplicate code of the smooth setting based on different
path, optimized the routine and use readl_relaxed instead.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Guoqing Li <ligq@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:52:33 +03:00
Guoqing Li 9a27d5916b video: mmp: rb swap setting update for mmp display
We could set rb swap in two modules: DMA controler input part and
dsi interface output part.
DMA input part is based on pix_fmt to set rbswap, dsi output interface
part will set rbswap based on platform dsi_rbswap configuration.

This patch include below change and enhancement:

1) The input format which support rbswap is based on RGB format,
eg. RGB565 indicates the source data in memory is that Red is [15~11],
Green is [10~5], Blue is [4:0], Red is MSB, Blue is LSB, but for the
display dma input default setting(rbswap = 0), it only support Blue
is [15~11], Green is [10~5], Red is [4:0], Red is LSB, Blue is MSB,
so for this format(RGB565), display controller need to set rbswap
 = 1 and it can support the MSB/LSB correctly.
BGR/YUV format will not set it in mmp display driver.

2) The dsi output part of rbswap is depend on dsi_rbswap which is
defined in specific platfrom. For output dsi interface, it has this
feature to do rbswap again if it needs specifc byte sequence of RGB
byte for DSI panel.
eg. If display content is set RGB565 in memory and DMA input part set
rbswap in driver to support Red as MSB , Blue LSB, but dsi panel only
support Red as LSB, Blue as MSB, then it can use this feature.
If there is no this requirement of panel, this dsi output part is not
needed.

Signed-off-by: Guoqing Li <ligq@marvell.com>
Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:52:32 +03:00
Jingoo Han 91f8628b7f video: w100fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:23:22 +03:00
Jingoo Han 0442f762b0 video: tmiofb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:23:22 +03:00
Jingoo Han 129f1be4b9 video: simplefb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:23:21 +03:00
Jingoo Han 8b4c7e5da2 video: s3c-fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:23:21 +03:00
Jingoo Han 772ee6daf1 video: s1d13xxxfb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:23:10 +03:00
Jingoo Han 3b2633fb1b video: mbxfb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:03 +03:00
Jingoo Han 1c8034c7f0 video: imxfb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:03 +03:00
Jingoo Han e09f398e53 video: ep93xx-fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 700601d280 video: da8xx-fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 46d2db8245 video: amba-clcd: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han ad86abd81e video: sh_mobile_hdmi: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 50144243c2 video: sa1100fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 1df86cdaee video: s3c2410: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 22313679b8 video: pxafb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:02 +03:00
Jingoo Han 006ac4d4f7 video: pxa168fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:01 +03:00
Jingoo Han dffb3b47ba video: omapfb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:01 +03:00
Jingoo Han cd7c7f6c3c video: nuc900fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:01 +03:00
Jingoo Han 521fdb7c4d video: mx3fb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:01 +03:00
Jingoo Han a5d58be079 video: atmel_lcdfb: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Also, unnecessary casting from return value that is a void pointer
is removed.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:22:00 +03:00
Thierry Reding 42ddb453a0 radeon: Conditionally compile PM code
The power management code is only used on X86 and PowerMac. To prevent
the compiler from warning about unused code, only build when PM and one
of X86 or PowerMac is selected.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:14:26 +03:00
Sachin Kamat 350d72f0ed video: grvga: Use module_platform_driver
module_platform_driver removes some boilerplate code and makes
it simple.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-20 12:03:26 +03:00
Peter Huewe 93f571728f video/matrox/matroxfb_maven: Use module_i2c_driver to register driver
Removing some boilerplate by using module_i2c_driver instead of calling
register and unregister in the otherwise empty init/exit functions.
Also removed a useless comment as suggested by Jean Delvare.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:10 +03:00
Jingoo Han fc0b01930e video: vt8623fb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:10 +03:00
Jingoo Han e847307492 video: tridentfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:10 +03:00
Jingoo Han e09335a6fe video: tdfxfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:10 +03:00
Jingoo Han f9af73c6f6 video: sisfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han f1260e3ec4 video: savagefb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han 354b40c4a2 video: s3fb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han 76347609ae video: pm3fb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han fe2cc23893 video: pm2fb: remove unnecessary pci_set_drvdata()
From 9e2c37ee1d5c2145fac113c483c9e6dd408f10fe Mon Sep 17 00:00:00 2001
From: Jingoo Han <jg1.han@samsung.com>
Date: Thu, 12 Sep 2013 15:11:07 +0900
Subject: [PATCH 14/21] video: pm2fb: remove unnecessary pci_set_drvdata()

The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han 0ab49846c8 video: neofb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:09 +03:00
Jingoo Han 3a1300ef9e video: mb862xxfb: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-09-19 13:30:08 +03:00