Граф коммитов

969 Коммитов

Автор SHA1 Сообщение Дата
Russell King 4a5d67d734 pcmcia: soc_common: add driver-data pointer
Add a driver-data pointer so that low level drivers can add additional
data to the soc_common pcmcia socket structure.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:16 +01:00
Russell King 5805271d90 pcmcia: soc_common: add support for voltage sense GPIOs
Add support for the voltage sense GPIOs which are wired up on some
platforms.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:04 +01:00
Russell King c8f9ce556b pcmcia: soc_common: constify pcmcia_low_level ops pointer
Constify the pcmcia_low_level operation pointer to soc_pcmcia_init_one()
which has no need to modify it.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:04 +01:00
Russell King fb8c9959a3 pcmcia: soc_common: switch to a per-socket cpufreq notifier
Switch to a per-socket cpufreq notifier rather than a global notifier.
This allows each socket to be self-contained.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:03 +01:00
Russell King ac61b6001a pcmcia: soc_common: add support for Vcc and Vpp regulators
Add support for handling supply regulators in the soc_common code.  This
allows us to separate out the board specifics for setting voltages from
the PCMCIA code.

We detect when setting a voltage fails, and report this fact - some
platforms have fixed-voltage supplies (eg, for CF sockets at 3.3V) and
we need to ignore attempts to configure for 5V, as per the existing
board specific drivers.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:02 +01:00
Russell King a1d0500261 pcmcia: soc_common: add CF socket state helper
Add a helper to get the voltage state of CF sockets, where the voltage
sense pins are not wired up.  Switch assabet and cerf to use this
helper.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:01 +01:00
Russell King 6ac95d8212 pcmcia: soc_common: restore previous socket state on error
If an attempt to set a socket state returns an error, restore the
previous socket state.  If restoring the previous socket state
fails, warn about this.

This allows us to have simple error handling in the socket state
configuration handlers - there is no need for every handler
implementation to manually undo the updates, which can be complex
when regulators are involved.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:39:00 +01:00
Russell King 535e0abc05 pcmcia: soc_common: add support for reset and bus enable GPIOs
Add support to soc_common for controlling reset and bus enable GPIOs
from within the generic soc_common layer, rather than having
individual drivers having to perform this themselves.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:38:59 +01:00
Russell King 7bfe49785b pcmcia: soc_common: request legacy detect GPIO with active low
Request the legacy card detect signal with the active low property and
remove our own negation of the detection value.  This allows us to use
the firmware-defined polarities rather than hard-coding it into the
driver.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:38:58 +01:00
Russell King a494119123 pcmcia: soc_common: ignore invalid interrupts
If gpiod_to_irq() returns an invalid interrupt, we should not try to use
it as an interrupt number.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:38:57 +01:00
Russell King 45ca7536d4 pcmcia: soc_common: switch to using gpio_descs
Switch to using the gpiod_* consumer API rather than the legacy API.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:38:56 +01:00
Russell King 59ecfefad5 pcmcia: soc_common: use devm_gpio_request_one()
Use devm_gpio_request_one() to request the GPIOs so we can avoid
manual clean up these gpio resources.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-22 09:38:55 +01:00
Robert Jarzmik 817ed5748e pcmcia: lubbock: fix sockets configuration
On lubbock board, the probe of the driver crashes by dereferencing very
early a platform_data structure which is not set, in
pxa2xx_configure_sockets().

The stack fixed is :
[    0.244353] SA1111 Microprocessor Companion Chip: silicon revision 1, metal revision 1
[    0.256321] sa1111 sa1111: Providing IRQ336-390
[    0.340899] clocksource: Switched to clocksource oscr0
[    0.472263] Unable to handle kernel NULL pointer dereference at virtual address 00000004
[    0.480469] pgd = c0004000
[    0.483432] [00000004] *pgd=00000000
[    0.487105] Internal error: Oops: f5 [#1] ARM
[    0.491497] Modules linked in:
[    0.494650] CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc3-00080-g1aaa68426f0c-dirty #2068
[    0.503229] Hardware name: Intel DBPXA250 Development Platform (aka Lubbock)
[    0.510344] task: c3e42000 task.stack: c3e44000
[    0.514984] PC is at pxa2xx_configure_sockets+0x4/0x24 (drivers/pcmcia/pxa2xx_base.c:227)
[    0.520193] LR is at pcmcia_lubbock_init+0x1c/0x38
[    0.525079] pc : [<c0247c30>]    lr : [<c02479b0>]    psr: a0000053
[    0.525079] sp : c3e45e70  ip : 100019ff  fp : 00000000
[    0.536651] r10: c0828900  r9 : c0434838  r8 : 00000000
[    0.541953] r7 : c0820700  r6 : c0857b30  r5 : c3ec1400  r4 : c0820758
[    0.548549] r3 : 00000000  r2 : 0000000c  r1 : c3c09c40  r0 : c3ec1400
[    0.555154] Flags: NzCv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment none
[    0.562450] Control: 0000397f  Table: a0004000  DAC: 00000053
[    0.568257] Process swapper (pid: 1, stack limit = 0xc3e44190)
[    0.574154] Stack: (0xc3e45e70 to 0xc3e46000)
[    0.578610] 5e60:                                     c4849800 00000000 c3ec1400 c024769c
[    0.586928] 5e80: 00000000 c3ec140c c3c0ee0c c3ec1400 c3ec1434 c020c410 c3ec1400 c3ec1434
[    0.595244] 5ea0: c0820700 c080b408 c0828900 c020c5f8 00000000 c0820700 c020c578 c020ac5c
[    0.603560] 5ec0: c3e687cc c3e71e10 c0820700 00000000 c3c02de0 c020bae4 c03c62f7 c03c62f7
[    0.611872] 5ee0: c3e68780 c0820700 c042e034 00000000 c043c440 c020cdec c080b408 00000005
[    0.620188] 5f00: c042e034 c00096c0 c0034440 c01c730c 20000053 ffffffff 00000000 00000000
[    0.628502] 5f20: 00000000 c3ffcb87 c3ffcb90 c00346ac c3e66ba0 c03f7914 00000092 00000005
[    0.636811] 5f40: 00000005 c03f847c 00000091 c03f847c 00000000 00000005 c0434828 00000005
[    0.645125] 5f60: c043482c 00000092 c043c440 c0828900 c0434838 c0418d2c 00000005 00000005
[    0.653430] 5f80: 00000000 c041858c 00000000 c032e9f0 00000000 00000000 00000000 00000000
[    0.661729] 5fa0: 00000000 c032e9f8 00000000 c000f0f0 00000000 00000000 00000000 00000000
[    0.670020] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    0.678311] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[    0.686673] (pxa2xx_configure_sockets) from pcmcia_lubbock_init (/drivers/pcmcia/sa1111_lubbock.c:161)
[    0.696026] (pcmcia_lubbock_init) from pcmcia_probe (/drivers/pcmcia/sa1111_generic.c:213)
[    0.704358] (pcmcia_probe) from driver_probe_device (/drivers/base/dd.c:378 /drivers/base/dd.c:499)
[    0.712848] (driver_probe_device) from __driver_attach (/./include/linux/device.h:983 /drivers/base/dd.c:733)
[    0.721414] (__driver_attach) from bus_for_each_dev (/drivers/base/bus.c:313)
[    0.729723] (bus_for_each_dev) from bus_add_driver (/drivers/base/bus.c:708)
[    0.738036] (bus_add_driver) from driver_register (/drivers/base/driver.c:169)
[    0.746185] (driver_register) from do_one_initcall (/init/main.c:778)
[    0.754561] (do_one_initcall) from kernel_init_freeable (/init/main.c:843 /init/main.c:851 /init/main.c:869 /init/main.c:1016)
[    0.763409] (kernel_init_freeable) from kernel_init (/init/main.c:944)
[    0.771660] (kernel_init) from ret_from_fork (/arch/arm/kernel/entry-common.S:119)
[ 0.779347] Code: c03c6305 c03c631e c03c632e e5903048 (e993000c)
All code
========
   0:	c03c6305 	eorsgt	r6, ip, r5, lsl #6
   4:	c03c631e 	eorsgt	r6, ip, lr, lsl r3
   8:	c03c632e 	eorsgt	r6, ip, lr, lsr #6
   c:	e5903048 	ldr	r3, [r0, #72]	; 0x48
  10:*	e993000c 	ldmib	r3, {r2, r3}		<-- trapping instruction

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:01 +01:00
Russell King 3f8df892b2 pcmcia: sa1111: fix propagation of lowlevel board init return code
When testing Lubbock, it was noticed that the sa1111 pcmcia driver bound
but was not functional due to no sockets being registered.  This is
because the return code from the lowlevel board initialisation was not
being propagated out of the probe function.  Fix this.

Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:01 +01:00
Russell King a466ebd2fc pcmcia: soc_common: fix SS_STSCHG polarity
SS_STSCHG should be set for an IO card when the BVD1 signal is asserted
low, not high.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:01 +01:00
Russell King cbd5a16820 pcmcia: sa11xx_base: add units to the timing information
Add units to the timing information, so we know that the numbers are
nanoseconds.  The output changes from:

I/O      : 165 (172)
attribute: 300 (316)
common   : 300 (316)

to:

I/O      : 165ns (172ns)
attribute: 300ns (316ns)
common   : 300ns (316ns)

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:01 +01:00
Russell King 6dec04e8f3 pcmcia: sa11xx_base: fix reporting of timing information
Fix the reporting of the currently programmed timing information.  These
entries have been showing zero due to the clock rate being a factor of
1000 too big.  With this change, we go from:

I/O      : 165 (0)
attribute: 300 (0)
common   : 300 (0)

to:

I/O      : 165 (172)
attribute: 300 (316)
common   : 300 (316)

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:00 +01:00
Russell King ad8d52b897 pcmcia: ds: fix suspend/resume
PCMCIA suspend/resume no longer works since the commit mentioned below,
as the callbacks are no longer made.  Convert the driver to the new
dev_pm_ops, which restores the suspend/resume functionality.  Tested on
the arm arch Assabet platform.

Fixes: aa8e54b559 ("PM / sleep: Go direct_complete if driver has no callbacks")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-12 10:57:00 +01:00
Aneesh Kumar K.V 72176dd0ad powerpc/mm: Use a helper for finding pte bits mapping I/O area
Use a helper instead of open coding with constants. A later patch will
drop the WIMG bits and use PowerISA 3.0 defines.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-05-01 18:32:32 +10:00
Manuel Lauss e34b6fcf9b pcmcia: db1xxx_ss: fix last irq_to_gpio user
remove the usage of removed irq_to_gpio() function.  On pre-DB1200
boards, pass the actual carddetect GPIO number instead of the IRQ,
because we need the gpio to actually test card status (inserted or
not) and can get the irq number with gpio_to_irq() instead.

Tested on DB1300 and DB1500, this patch fixes PCMCIA on the DB1500,
which used irq_to_gpio().

Fixes: 832f5dacfa ("MIPS: Remove all the uses of custom gpio.h")
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-pcmcia@lists.infradead.org
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: stable@vger.kernel.org	# v4.3+
Patchwork: https://patchwork.linux-mips.org/patch/12747/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-03-29 22:48:53 +02:00
Bjorn Helgaas 288e6eaa06 gpio: Include linux/gpio.h instead of asm/gpio.h
Most arches have an asm/gpio.h that merely includes linux/gpio.h.  The
others select ARCH_HAVE_CUSTOM_GPIO_H, and when that's selected,
linux/gpio.h includes asm/gpio.h.

Therefore, code should include linux/gpio.h instead of including asm/gpio.h
directly.

Remove includes of asm/gpio.h, adding an include of linux/gpio.h when
necessary.

This is a follow-on to 7563bbf89d ("gpiolib/arches: Centralise
bolierplate asm/gpio.h").

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-16 00:20:03 +01:00
Geliang Tang 7c22e645cd pcmcia: use kstrdup() in pcmcia_device_query()
Use kstrdup instead of kmalloc and strncpy.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-05 04:47:09 +01:00
Russell King fca8b807a6 pcmcia: soc_common: remove skt_dev_info's clk pointer
We no longer need to store the clk pointer in struct skt_dev_info as we
no longer need to remember the clk pointer for the cleanup paths.

Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:01:03 +01:00
Russell King c3eb700c5d pcmcia: sa11xx_base.c: remove useless init/exit functions
A library module is not required to have module init/exit functions.
Get rid of these unnecessary functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:00:44 +01:00
Russell King 321ae9646b pcmcia: sa1111: simplify clk handing in sa1111_pcmcia_add()
clk_get(dev, NULL) will always refer to the same clock, so it's
pointless calling this multiple times for the same device.  As we no
longer have to worry about the cleanup (via use of devm_clk_get()) we
can simplify sa1111_pcmcia_add() too.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:00:44 +01:00
Russell King 924e5ea2ce pcmcia: sa1111: update socket driver to use devm_clk_get() API
Update the pxa2xx socket driver to use the devm_clk_get() API so that
the cleanup paths are simplified.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:00:44 +01:00
Russell King 8e2caf0d21 pcmcia: pxa2xx: convert memory allocation to devm_* API
Convert the pxa2xx socket driver memory allocation to use devm_kzalloc()
to simplify the cleanup path.

Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:00:38 +01:00
Russell King ac92f15173 pcmcia: pxa2xx: update socket driver to use devm_clk_get() API
Update the pxa2xx socket driver to use the devm_clk_get() API so that
the cleanup paths are simplified.

Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-03 16:00:13 +01:00
Russell King e33e640ad0 pcmcia: sa11x0: convert memory allocation to devm_* API
Convert the sa11x0 socket driver memory allocation to use devm_kzalloc()
to simplify the cleanup path.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-08 11:29:56 +01:00
Russell King 72010aca55 pcmcia: sa11x0: fix missing clk_put() in sa11x0 socket drivers
Fix the lack of clk_put() in sa11xx_base.c's error cleanup paths by
converting the driver to the devm_* API.

Fixes: 86d88bfca4 ("ARM: 8247/2: pcmcia: sa1100: make use of device clock")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-08 11:29:55 +01:00
Linus Torvalds 9d86b4128c Fix up implicit <module.h> users that will break later.
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Merge tag 'module-implicit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

Pull implicit module.h fixes from Paul Gortmaker:
 "Fix up implicit <module.h> users that will break later.

  The files changed here are simply modular source files that are
  implicitly relying on <module.h> being present.  We fix them up now,
  so that we can decouple some of the module related init code from the
  core init code in the future.

  The addition of the module.h include to several files here is also a
  no-op from a code generation point of view, else there would already
  be compile issues with these files today.

  There may be lots more implicit includes of <module.h> in tree, but
  these are the ones that extensive build test coverage has shown that
  must be fixed in order to avoid build breakage fallout for the pending
  module.h <---> init.h code relocation we desire to complete"

* tag 'module-implicit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  frv: add module.h to mb93090-mb00/flash.c to avoid compile fail
  drivers/cpufreq: include <module.h> for modular exynos-cpufreq.c code
  drivers/staging: include <module.h> for modular android tegra_ion code
  crypto/asymmetric_keys: pkcs7_key_type needs module.h
  sh: mach-highlander/psw.c is tristate and should use module.h
  drivers/regulator: include <module.h> for modular max77802 code
  drivers/pcmcia: include <module.h> for modular xxs1500_ss code
  drivers/hsi: include <module.h> for modular omap_ssi code
  drivers/gpu: include <module.h> for modular rockchip code
  drivers/gpio: include <module.h> for modular crystalcove code
  drivers/clk: include <module.h> for clk-max77xxx modular code
2015-07-02 10:25:22 -07:00
Linus Torvalds d87823813f Char/Misc driver patches for 4.2-rc1
Here's the big char/misc driver pull request for 4.2-rc1.
 
 Lots of mei, extcon, coresight, uio, mic, and other driver updates in
 here.  Full details in the shortlog.  All of these have been in
 linux-next for some time with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver pull request for 4.2-rc1.

  Lots of mei, extcon, coresight, uio, mic, and other driver updates in
  here.  Full details in the shortlog.  All of these have been in
  linux-next for some time with no reported problems"

* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
  mei: me: wait for power gating exit confirmation
  mei: reset flow control on the last client disconnection
  MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
  misc: sram: sort and clean up included headers
  misc: sram: move reserved block logic out of probe function
  misc: sram: add private struct device and virt_base members
  misc: sram: report correct SRAM pool size
  misc: sram: bump error message level on unclean driver unbinding
  misc: sram: fix device node reference leak on error
  misc: sram: fix enabled clock leak on error path
  misc: mic: Fix reported static checker warning
  misc: mic: Fix randconfig build error by including errno.h
  uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
  uio: pruss: Add CONFIG_HAS_IOMEM dependence
  uio: pruss: Include <linux/sizes.h>
  extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
  char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
  Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
  parport: check exclusive access before register
  w1: use correct lock on error in w1_seq_show()
  ...
2015-06-26 14:51:15 -07:00
Linus Torvalds c11d716218 ARM: SoC cleanups for v4.2
A relatively small setup of cleanups this time around, and similar to last time
 the bulk of it is removal of legacy board support:
 
 - OMAP: removal of legacy (non-DT) booting for several platforms
 - i.MX: remove some legacy board files
 
 Conflicts: None
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Kevin Hilman:
 "A relatively small setup of cleanups this time around, and similar to
  last time the bulk of it is removal of legacy board support:

   - OMAP: removal of legacy (non-DT) booting for several platforms

   - i.MX: remove some legacy board files"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits)
  ARM: fix EFM32 build breakage caused by cpu_resume_arm
  ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state
  ARM: v7 setup function should invalidate L1 cache
  mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
  ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
  ARM: OMAP2+: Constify irq_domain_ops
  ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
  ARM: at91: remove useless Makefile.boot
  ARM: at91: remove at91rm9200_sdramc.h
  ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h
  ARM: at91/pm: use the atmel-mc syscon defines
  pcmcia: at91_cf: Use syscon to configure the MC/smc
  ARM: at91: declare the at91rm9200 memory controller as a syscon
  mfd: syscon: Add Atmel MC (Memory Controller) registers definition
  ARM: at91: drop sam9_smc.c
  ata: at91: use syscon to configure the smc
  ARM: ux500: delete static resource defines
  ARM: ux500: rename ux500_map_io
  ARM: ux500: look up PRCMU resource from DT
  ARM: ux500: kill off L2CC static map
  ...
2015-06-26 11:08:27 -07:00
Paul Gortmaker 5468f887bc drivers/pcmcia: include <module.h> for modular xxs1500_ss code
This file is built off of a tristate Kconfig option and also contains
modular function calls so it should explicitly include module.h to
avoid compile breakage during header shuffles done in the future.

Cc: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-pcmcia@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2015-06-16 14:12:25 -04:00
Dominik Brodowski e8e68fd86d pcmcia: do not break rsrc_nonstatic when handling anonymous cards
Patch 1c6c9b1d9d caused a regression for rsrc_nonstatic: It relies
on pccard_validate_cis() to determine whether an iomem resource can
be used for PCMCIA cards. This override, however, lead invalid iomem
resources to be accepted -- and lead to a fake CIS being used instead
of the original CIS.

To fix this issue, move the override for anonymous cards to the one
place where it is needed -- when adding a PCMCIA device.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-06-16 07:29:39 +02:00
Takeshi Yoshimura d19319affb pcmcia: Fix resource leaks in yenta_probe() and _close()
There are some resource leaks in yenta_probe() and _close(). I fixed
the following issues with some code cleanups. Thanks to Dominik's
suggestions.

On the error path in yenta_probe():
- a requested irq is not released
- yenta_free_resources() and pci_set_drvdata(dev, NULL) are not called

In yenta_close():
- kfree(sock) is not called
- sock->base is always set to non-NULL when yenta_close() is called,
  therefore the check in yenta_close() is not necessary.

Signed-off-by: Takeshi Yoshimura <yos@sslab.ics.keio.ac.jp>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-06-14 21:35:45 +02:00
Ryan Underwood 2fb22a8042 Disable write buffering on Toshiba ToPIC95
Disable write buffering on the Toshiba ToPIC95 if it is enabled by
somebody (it is not supposed to be a power-on default according to
the datasheet). On the ToPIC95, practically no 32-bit Cardbus card
will work under heavy load without locking up the whole system if
this is left enabled. I tried about a dozen. It does not affect
16-bit cards. This is similar to the O2 bugs in early controller
revisions it seems.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55961
Cc: <stable@vger.kernel.org>
Signed-off-by: Ryan C. Underwood <nemesis@icequake.net>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-06-13 23:40:21 +02:00
Joe Perches f2e6cf7675 pcmcia: Convert dev_printk to dev_<level>
Reduce object size a little by using dev_<level>
calls instead of dev_printk(KERN_<LEVEL>.

Other miscellanea:

o Coalesce formats
o Realign arguments
o Use pr_cont instead of naked printk
  reorder test to use "%s\n"

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 16:09:04 +02:00
Himangi Saraogi 3ce3c1c4fe pcmcia/vrc4171: Remove typedefs for enums and struct
The Linux kernel coding style guidelines suggest not using typedefs
for structure and enum types. This patch gets rid of the typedefs for
vrc4171_slot_t, vrc4171_slotb_t and vrc4171_socket_t. Also, the names
of the enums and the struct are changed to drop the _t, to make the
name look less typedef-like.

The following Coccinelle semantic patch detects the cases for struct type:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:55:36 +02:00
Himangi Saraogi 8b0eb8377d pcmcia: Remove typedef in structs and emum
The Linux kernel coding style guidelines suggest not using typedefs
for structure and enum types. This patch gets rid of the typedefs for
cirrus_state_t, vg46x_state_t and pcic_id. Also, the names of the structs
are changed to drop the _t, to make the name look less typedef-like.

The following Coccinelle semantic patch detects the cases for struct type:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

[linux@dominikbrodowski.net: fix patch to apply cleanly after e632cd9472
 was applied first]
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:54:05 +02:00
Himangi Saraogi 820dc8464e pcmcia: Remove typedef tuple_flags
The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedef for tuple_flags.

The following Coccinelle semantic patch makes the transformation.

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:50:21 +02:00
Laurent Navet 0f06abd38e drivers: pcmcia: electra_cf.c fix checkpatch error and warnings
fix these checkpatch errors and warning:
- ERROR: "foo *           bar" should be "foo *bar"
- WARNING: please, no space before tabs
- WARNING: sizeof *cf should be sizeof(*cf)
- WARNING: space prohibited between function name and open parenthesis '('i

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:32:53 +02:00
Laurent Navet 46f533ccb8 drivers: pcmcia: ds.c fix checkpatch errors
fix these checkpatch errors :
- ERROR: spaces required around that '<' (ctx:VxW)
- ERROR: "foo * bar" should be "foo *bar"
- WARNING: please, no space before tabs

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:32:41 +02:00
Robert P. J. Day 221f7edb73 PCMCIA: Remove commented references to dead class_device_create_file()
Since this routine doesn't even exist anymore, there's no point
leaving in commented code using it.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:29:42 +02:00
Julia Lawall 801421eb73 drivers/pcmcia/electra_cf.c: add missing iounmap and kfree
cf and cf->mem_base have been allocated at the point of this failure, so
they should be freed before leaving the function.

[linux@dominikbrodowski.net: limit call to device_init_wakeup() to the
same error paths as before]
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:14:39 +02:00
Jim Cromie e632cd9472 pcmcia: replace open-coded ARRAY_SIZE with macro
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2015-05-30 15:10:47 +02:00
Dmitry Eremin-Solenikov d3046ba809 pcmcia: fix a boot time warning in pcmcia cs code
During bootup pcmcia (pccardd) code enforces the following warning
backtrace:

do not call blocking ops when !TASK_RUNNING; state=1 set at [<c0319e74>] pccardd+0xb8/0x3fc
Modules linked in:
CPU: 0 PID: 14 Comm: pccardd Not tainted 4.0.0-rc6+ #11
Hardware name: Sharp-Collie
[<c0105cd8>] (unwind_backtrace) from [<c0103ef8>] (show_stack+0x10/0x14)
[<c0103ef8>] (show_stack) from [<c010e9b8>] (warn_slowpath_common+0x74/0xac)
[<c010e9b8>] (warn_slowpath_common) from [<c010ea20>] (warn_slowpath_fmt+0x30/0x40)
[<c010ea20>] (warn_slowpath_fmt) from [<c012b1b4>] (__might_sleep+0x84/0xa0)
[<c012b1b4>] (__might_sleep) from [<c040fbb0>] (mutex_lock_nested+0x24/0x388)
[<c040fbb0>] (mutex_lock_nested) from [<c0319eb4>] (pccardd+0xf8/0x3fc)
[<c0319eb4>] (pccardd) from [<c0127370>] (kthread+0xdc/0xfc)
[<c0127370>] (kthread) from [<c01013a8>] (ret_from_fork+0x14/0x2c)
---[ end trace fd94911637eed4ba ]---

This happens due to kthread trying to lock mutex in a TASK_INTERRUPTIBLE
state. Limit TASK_INTERRUPTIBLE task state to the schedule() call only,
so that the rest of the code runs in TASK_RUNNING state.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24 12:24:35 -07:00
Alexandre Belloni eaa9a21dd1 pcmcia: at91_cf: Use syscon to configure the MC/smc
Use syscon/regmap to configure the smc part of the memory controller. This
allows to avoid using mach/at91rm9200_mc.h and mach/at91_ramc.h and to compile
the driver in a multiplatform configuration.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-05-20 16:37:38 +02:00
Linus Torvalds d0440c59f5 ARM: SoC cleanups for v4.1
We've got a fairly large cleanup branch this time. The bulk of this is removal
 of non-DT platforms of several flavors:
 
 - Atmel at91 platforms go full-DT, with removal of remaining board-file based
   support
 - OMAP removes legacy board files for three more platforms
 - Removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom
 - Freescale i.MX25 also removes non-DT platform support
 
 Most of the rest of the changes here are fallout from the above, i.e. for
 example removal of drivers that now lack platforms, etc.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "We've got a fairly large cleanup branch this time.  The bulk of this
  is removal of non-DT platforms of several flavors:

   - Atmel at91 platforms go full-DT, with removal of remaining
     board-file based support

   - OMAP removes legacy board files for three more platforms

   - removal of non-DT mach-msm, newer Qualcomm platforms now live in
     mach-qcom

   - Freescale i.MX25 also removes non-DT platform support"

Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
  mmc: Remove msm_sdcc driver
  gpio: Remove gpio-msm-v1 driver
  ARM: Remove mach-msm and associated ARM architecture code
  ARM: shmobile: cpuidle: Remove the pointless default driver
  ARM: davinci: dm646x: Add interrupt resource for McASPs
  ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
  ARM: davinci: dm646x: Clean up the McASP DMA resources
  ARM: davinci: devices-da8xx: Add support for McASP2 on da830
  ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
  ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
  ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
  ARM: OMAP2+: Remove legacy support for omap3 TouchBook
  ARM: OMAP3: Remove legacy support for devkit8000
  ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
  ARM: shmobile: Consolidate the pm code for R-Car Gen2
  ARM: shmobile: r8a7791: Correct SYSCIER value
  ARM: shmobile: r8a7790: Correct SYSCIER value
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ...
2015-04-22 09:04:39 -07:00
Greg Kroah-Hartman ff85f707ac Merge 4.0-rc5 into char-misc-next
We want those fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-25 10:51:53 +01:00