Граф коммитов

27 Коммитов

Автор SHA1 Сообщение Дата
Masahiro Yamada 183b8021fc scripts/spelling.txt: add "intialization" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  intialization||initialization

The "inintialization" in drivers/acpi/spcr.c is a different pattern but
I fixed it as well in this commit.

Link: http://lkml.kernel.org/r/1481573103-11329-16-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Shawn Lin f526140249 PM / AVS: rockchip-io: make the log more consistent
When testing SD hotplug automatically, I got bunch of
useless log like this:

[  588.357838] mmc0: card 0007 removed
[  589.492664] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[  589.500698] vccio_sd: ramp_delay not set
[  589.504817] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[  589.669705] rockchip-iodomain ff770000.syscon:io-domains: Setting to 3300000 done
[  589.677593] vccio_sd: ramp_delay not set
[  589.681581] rockchip-iodomain ff770000.syscon:io-domains: Setting to 1800000 done
[  590.032820] dwmmc_rockchip ff0c0000.dwmmc: Successfully tuned phase to 140
[  590.039725] mmc0: new ultra high speed SDR50 SDHC card at address 0007
[  590.046641] mmcblk0: mmc0:0007 SD32G 29.3 GiB
[  590.052163]  mmcblk0: p1

Moreover the code is intent to print the 'uV' for debug but
later print it using dev_info. It looks more like to me that
it should be the real intention of the code. Anyway, let's
mark this verbose log as debug message.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-10-21 14:51:03 +02:00
Joe Perches e2cdeaa123 PM / AVS: SmartReflex: Neaten logging
Use a more common logging style.

Miscellanea:

o Use pr_warn
o Coalesce formats adding missing spaces
o Argument alignment
o Remove unnecessary OOM messages as k.alloc does stack dumps

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nishanth Menon <nm@ti.com>
[khilman: update shortlog]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-13 02:43:05 +02:00
Heiko Stuebner bc19b9a81d PM / AVS: rockchip-io: make io-domains a child of the GRF
IO-domain handling is part of the general register files, so should live
under the grf directly. This change allows the grf to be a simple-mfd and
the io-domains fetching the syscon regmap from that parent-node.

The old binding is of course preserved, though deprecated.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-04-26 19:12:28 +02:00
Rafael J. Wysocki 8e653b6544 Fix permissions of drivers/power/avs/rockchip-io-domain.c
The permissions of this file were modified by commit (f447671b9e PM /
AVS: rockchip-io: add io selectors and supplies for rk3399) by mistake,
so fix them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-03-25 22:36:17 +01:00
David Wu f447671b9e PM / AVS: rockchip-io: add io selectors and supplies for rk3399
This adds the necessary data for handling io voltage domains on the rk3399.
As interesting tidbit, the rk3399 contains two separate iodomain areas.
One in the regular General Register Files (GRF) and one in PMUGRF in the
pmu power domain.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-03-23 22:10:15 +01:00
Luis de Bethencourt fa743d96e7 PM / AVS: rockchip-io: Fix module autoload for OF platform driver
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-10-14 02:38:53 +02:00
Heiko Stuebner 3fc147e915 PM / AVS: rockchip-io: add io selectors and supplies for rk3368
This adds the necessary data for handling io voltage domains on the rk3368.
As interesting tidbit, the rk3368 contains two separate iodomain areas.
One in the regular General Register Files (GRF) and one in PMUGRF in the
pmu power domain.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-08-08 03:07:52 +02:00
Heiko Stuebner 28c1f1628e PM / AVS: rockchip-io: depend on CONFIG_POWER_AVS
The rockchip io-domain driver currently only depends on ARCH_ROCKCHIP
itself. This makes it possible to select the power-domain driver, but
not the POWER_AVS class and results in the iodomain-driver not getting
build in this case.

So add the additional dependency, which also results in the driver
config option now being placed nicely into the AVS submenu.

Fixes: 662a958638 ("PM / AVS: rockchip-io: add driver handling Rockchip io domains")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-08-08 03:07:52 +02:00
Heiko Stübner 662a958638 PM / AVS: rockchip-io: add driver handling Rockchip io domains
IO domain voltages on some Rockchip SoCs are variable but need to be
kept in sync between the regulators and the SoC using a special
register.

A specific example using rk3288:
- If the regulator hooked up to a pin like SDMMC0_VDD is 3.3V then
  bit 7 of GRF_IO_VSEL needs to be 0.  If the regulator hooked up to
  that same pin is 1.8V then bit 7 of GRF_IO_VSEL needs to be 1.

Said another way, this driver simply handles keeping bits in the SoC's
general register file (GRF) in sync with the actual value of a voltage
hooked up to the pins.

Note that this driver specifically doesn't include:
- any logic for deciding what voltage we should set regulators to
- any logic for deciding whether regulators (or internal SoC blocks)
  should have power or not have power

If there were some other software that had the smarts of making
decisions about regulators, it would work in conjunction with this
driver.  When that other software adjusted a regulator's voltage then
this driver would handle telling the SoC about it.  A good example is
vqmmc for SD.  In that case the dw_mmc driver simply is told about a
regulator.  It changes the regulator between 3.3V and 1.8V at the
right time.  This driver notices the change and makes sure that the
SoC is on the same page.

Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[khilman: fix compiler warnings]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2014-09-25 09:57:23 -07:00
Andrii Tseglytskyi efca406b94 PM / AVS: SmartReflex: use devm_* API to initialize SmartReflex
Use of of devm_* API for resource allocation provides benefits such
as auto handling of resource free. This reduces possibility have
memory leaks in case of wrong error handling. All direct release
calls should be removed to avoid races.

Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:50:48 -07:00
Andrii Tseglytskyi 299066bb37 PM / AVS: SmartReflex: use omap_sr * for enable/disable interface
SmartReflex driver interface is natively divided to two parts:

- external SmartReflex interface
- interface between SmartReflex driver and SmartReflex Class

Functions which belong to AVS class interface can use
struct omap_sr* instead of struct voltatedomain*, to provide a
direct connection between SR driver and SR class. This allows
us to optimize and not do additional lookups where none is
required.

sr_enable() and sr_disable() are interface functions between
SR driver and SR class. They are typically used by Class driver
to enable/disable SmartReflex hardware module.
Now they take struct omap_sr* as input parameter.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:46:18 -07:00
Andrii Tseglytskyi 6c80573415 PM / AVS: SmartReflex: use omap_sr * for minmax interfaces
SmartReflex driver interface is natively divided to two parts:

- external SmartReflex interface
- interface between SmartReflex driver and SmartReflex Class

Functions which belong to AVS class interface can use
struct omap_sr* instead of struct voltatedomain*, to provide a
direct connection between SR driver and SR class. This allows
us to optimize and not do additional lookups where none is
required.

sr_configure_minmax() is interface function between SR driver
and SR class. It is typically used by Class driver to
configure MINMAXAVG module inside SmartReflex module.
Now it takes struct omap_sr* as input parameter.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:46:17 -07:00
Andrii Tseglytskyi 3dfc35ffd9 PM / AVS: SmartReflex: use omap_sr * for errgen interfaces
SmartReflex driver interface is natively divided to two parts:

- external SmartReflex interface
- interface between SmartReflex driver and SmartReflex Class

Functions which belong to AVS class interface can use
struct omap_sr* instead of struct voltatedomain*, to provide a
direct connection between SR driver and SR class. This allows
us to optimize and not do additional lookups where none is
required.

sr_disable_errgen() and sr_configure_errgen() are interface
functions between SR driver and SR class. They are typically
used by Class driver to configure error generator module during
SmartReflex enable/disable sequence.
Now they take struct omap_sr* as input parameter.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:46:17 -07:00
Andrii Tseglytskyi 33da28246f PM / AVS: SmartReflex: fix driver name
DRIVER_NAME was undefined for SmartReflex. Now it is
defined with valid value "smartreflex". It is needed
to define proper value for:
MODULE_ALIAS("platform:" DRIVER_NAME);

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:35:17 -07:00
Andrii Tseglytskyi bd4a36bec0 PM / AVS: SmartReflex: disable runtime PM on driver remove
Runtime PM should be disabled for device on driver remove,
otherwise runtime PM will be not balanced, and this will cause
an error message, on next driver probe.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:35:17 -07:00
Nishanth Menon efe4e06de3 PM / AVS: SmartReflex: disable errgen before vpbound disable
vpboundsintr_en is available inside the IP block as an re-sycned
version and one which is not. Due to this, there is an 1 sysclk
cycle window where the SR_SInterruptz signal could be asserted low.
IF, intr_en is cleared on the exact same cycle as the irqclr, an
additional pulse is generated which indicates for VP that
an additional adjustment of voltage is required.

This results in VP doing two voltage adjustments for the SRERR
(based on configuration, upto 4 steps), instead of the needed
1 step.
Due to the unexpected pulse from AVS which breaks the AVS-VP
communication protocol, VP also ends up in a stuck condition by
entering a state where VP module remains non-responsive
to any futher AVS adjustment events. This creates the symptom
called "TRANXDONE Timeout" scenario.

By disabling errgen prior to disable of intr_en, this situation
can be avoided.

Signed-off-by: Vincent Bour <v-bour@ti.com>
Signed-off-by: Leonardo Affortunati <l-affortunati@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andrii.Tseglytskyi <andrii.tseglytskyi@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-10 10:35:17 -07:00
Tony Lindgren e8d3d47a98 ARM: OMAP2+: Drop plat/cpu.h for omap2plus
The cpu_is_omap macros are now local to arch/arm/mach-omap2
in soc.h and plat/cpu.h can finally be dropped for omap2+.
Thanks everybody for help with fixing the drivers.

Note that we can now also remove the unused plat/cpu.h from
smartreflex.c and isp.c as they will cause compile errors
with ARCH_MULTIPLATFORM enabled.

Cc: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Jean Pihet <jean.pihet@newoldbits.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-12-17 10:50:41 -08:00
Linus Torvalds a11da7df65 ARM: arm-soc: power management and clock changes
This branch contains a largeish set of updates of power management and
 clock setup. The bulk of it is for OMAP/AM33xx platforms, but also a
 few around hotplug/suspend/resume on Exynos.
 
 It includes a split-up of some of the OMAP clock data into separate
 files which adds to the diffstat, but gross delta is fairly reasonable.
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Merge tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC power management and clock changes from Olof Johansson:
 "This branch contains a largeish set of updates of power management and
  clock setup.  The bulk of it is for OMAP/AM33xx platforms, but also a
  few around hotplug/suspend/resume on Exynos.

  It includes a split-up of some of the OMAP clock data into separate
  files which adds to the diffstat, but gross delta is fairly reasonable."

* tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
  ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
  watchdog: OMAP: fixup for ARM multiplatform support
  ARM: EXYNOS: Add flush_cache_all in suspend finisher
  ARM: EXYNOS: Remove scu_enable from cpuidle
  ARM: EXYNOS: Fix soft reboot hang after suspend/resume
  ARM: EXYNOS: Add support for rtc wakeup
  ARM: EXYNOS: fix the hotplug for Cortex-A15
  ARM: OMAP2+: omap_device: Correct resource handling for DT boot
  ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
  ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
  ARM: OMAP2+: PRM: initialize some PRM functions early
  ARM: OMAP2+: voltage: fixup oscillator handling when CONFIG_PM=n
  ARM: OMAP4: USB: power down MUSB PHY during boot
  ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
  ARM: OMAP2xxx: clock: drop obsolete clock data
  ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
  ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
  ARM: AM33xx: clock: drop obsolete clock data
  ARM: OMAP3xxx: clk: drop obsolete clock data
  ...
2012-12-13 10:58:20 -08:00
Bill Pemberton 415ec69fb1 power: remove use of __devexit
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:43:22 -08:00
Bill Pemberton 28ea73f4c6 power: remove use of __devexit_p
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:43:22 -08:00
Jean Pihet 98aed08e16 ARM: OMAP: SmartReflex: pass device dependent data via platform data
Remove the device dependent code (ex. cpu_is_xxx()) and settings
from the driver code and instead pass them via the platform
data. This allows a clean separation of the driver code and the platform
code, as required by the move of the platform header files to
include/linux/platform_data.

Note about the smartreflex functional clocks: the smartreflex fclks
are derived from sys_clk and have the same name as the main_clk from
the hwmod entry, in order for the SmartReflex driver to request the
fclk (using clk_get(dev, "fck")).

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-15 15:22:24 -07:00
Tony Lindgren fce680e9fa OMAP PM related fixes for v3.7-rc
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Merge tag 'for_3.7-fixes-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc1/fixes-pm

OMAP PM related fixes for v3.7-rc
2012-10-08 15:57:41 -07:00
Jean Pihet ce3810cdb4 ARM: OMAP: SmartReflex: fix error path in init function
Fix the error handling path in omap_sr_probe to correctly
de-allocate resources in case of problems.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-02 14:55:31 -07:00
Tony Lindgren ec2c0825ca ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ
Remove hardcoded IRQs in irqs.h and related files as these
are no longer needed.

Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-09-12 18:06:30 -07:00
Jean Pihet bb0adf6ca6 ARM: OMAP2+: do not allow SmartReflex to be built as a module
Disable the module option for POWER_AVS since this is currently not
supported.

This patch fixes these error in the case POWER_AVS is set to 'm':

arch/arm/mach-omap2/built-in.o: In function `sr_class3_configure':
arch/arm/mach-omap2/smartreflex-class3.c:43: undefined reference to `sr_configure_errgen'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_disable':
arch/arm/mach-omap2/smartreflex-class3.c:33: undefined reference to `sr_disable_errgen'
arch/arm/mach-omap2/smartreflex-class3.c:35: undefined reference to `sr_disable'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_enable':
arch/arm/mach-omap2/smartreflex-class3.c:28: undefined reference to `sr_enable'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_init':
arch/arm/mach-omap2/smartreflex-class3.c:59: undefined reference to `sr_register_class'

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
[tony@atomide.com: updated to use relative paths for the build error]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-29 05:54:31 -07:00
Jean Pihet 21ff63ad13 ARM: OMAP: SmartReflex: Move smartreflex driver to drivers/
After a clean-up of the interfaces the OMAP Smartreflex IP driver is now a
generic driver. Move it to drivers/power/avs/.

The build is controlled by the following Kconfig options:
 . CONFIG_POWER_AVS: general knob for Adaptive Voltage Scaling support,
 . CONFIG_POWER_AVS_OMAP: AVS(Adaptive Voltage Scaling)
   support on OMAP containing the version 1 or version 2 of the SmartReflex IP,
 . CONFIG_POWER_AVS_OMAP_CLASS3: Class 3 implementation of Smartreflex.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: J Keerthy <j-keerthy@ti.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-05-31 16:36:30 -07:00