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linux/arch/arm/mach-pxa
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Igor Grinberg ef7c7c693b ARM: PXA2xx: MFP: fix potential direction bug 
Pins configured as input and have MFP_LPM_DRIVE_* flag set, can have a
wrong output value for some period of time (spike) during the suspend
sequence.
This can happen because the direction of the pins (GPDR) is set by
software and the output level is set by hardware (PGSR) at a later
stage.

Fix the above potential bug by setting the output levels first.
Also save the actual levels of the pins before the suspend and restore
them after the resume, but before the direction settings take place, so
the same bug as described above will not happen in the resume sequence.

Reported-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tested-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-04-27 11:14:06 +08:00
..
include/mach
ARM: PXA2xx: MFP: fix bug with MFP_LPM_KEEP_OUTPUT
2012-04-27 11:11:50 +08:00
am200epd.c
ARM: pxa: rename IRQ_GPIO to PXA_GPIO_TO_IRQ
2011-11-14 21:07:58 +08:00
am300epd.c
ARM: pxa: rename IRQ_GPIO to PXA_GPIO_TO_IRQ
2011-11-14 21:07:58 +08:00
balloon3.c
Driver specific changes
2012-01-09 14:39:22 -08:00
capc7117.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
clock-pxa2xx.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
clock-pxa3xx.c
ARM / PXA: Use struct syscore_ops for "core" power management
2011-04-24 19:16:09 +02:00
clock.c
ARM: pxa: add clk_set_rate()
2011-07-12 19:45:19 +08:00
clock.h
ARM: pxa: add clk_set_rate()
2011-07-12 19:45:19 +08:00
cm-x2xx-pci.c
ARM: pxa: use correct __iomem annotations
2011-10-08 21:03:07 +08:00
cm-x2xx-pci.h
[ARM] 5280/1: pxa: prepare cm-x2xx.c and cm-x2xx-pci.[ch] for addition of CM-X255
2008-10-07 12:05:05 +01:00
cm-x2xx.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00
cm-x255.c
ARM: 7104/1: plat-pxa: break out GPIO driver specifics
2011-10-01 23:45:34 +01:00
cm-x270.c
ARM: pxa: rename gpio_to_irq and irq_to_gpio
2011-11-14 21:07:59 +08:00
cm-x300.c
ARM: arm-soc fixes for 3.4-rc
2012-03-29 21:30:28 -07:00
colibri-evalboard.c
ARM / PXA: Use struct syscore_ops for "core" power management
2011-04-24 19:16:09 +02:00
colibri-pxa3xx.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
colibri-pxa270-income.c
ARM: pxa: Fix typo 'CONFIG_BACKLIGHT_PWM__MODULE'
2011-10-31 10:55:26 +01:00
colibri-pxa270.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
colibri-pxa300.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
colibri-pxa320.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
corgi_pm.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
corgi.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
cpufreq-pxa2xx.c
ARM: pxa: Access SMEMC via virtual addresses
2010-12-16 14:31:16 +08:00
cpufreq-pxa3xx.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
csb701.c
[ARM] pxa/csb701: do not register devices on non-csb726 boads
2009-04-04 10:26:35 +08:00
csb726.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
devices.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
devices.h
ARM: pxa: change gpio to platform device
2011-11-15 19:08:27 +08:00
em-x270.c
ARM: arm-soc fixes for 3.4-rc
2012-03-29 21:30:28 -07:00
eseries.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2012-01-12 08:00:30 -08:00
eseries.h
ARM: PXA: eseries: fix eseries_register_clks section mismatch warning
2011-11-05 19:09:42 +00:00
ezx.c
ARM: restart: pxa: use new restart hook
2012-01-05 12:57:17 +00:00
generic.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
generic.h
ARM: pxa: remove duplicated registeration on pxa-gpio
2012-03-06 14:40:59 +08:00
gumstix.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
h5000.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
himalaya.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
hx4700.c
Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixes
2012-03-29 20:36:18 -07:00
icontrol.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
idp.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
irq.c
ARM: pxa: change gpio to platform device
2011-11-15 19:08:27 +08:00
Kconfig
ARM: fix __io macro for PCMCIA
2012-04-05 11:29:55 -07:00
leds-idp.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
leds-lubbock.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
leds-mainstone.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
leds.c
[ARM] 5251/1: remove old LED support for Trizeps4 SOM
2008-10-01 22:34:34 +01:00
leds.h
…
littleton.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00
lpd270.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00
lubbock.c
ARM: sa1111: provide a generic way to prevent devices from registering
2012-03-24 11:29:52 +00:00
magician.c
Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixes
2012-03-29 20:36:18 -07:00
mainstone.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00
Makefile
ARM: pxa: pxa95x/saarb depends on pxa3xx code
2011-10-08 21:03:00 +08:00
Makefile.boot
ARM: 7022/1: allow to detect conflicting zreladdrs
2011-10-17 09:12:40 +01:00
mfp-pxa2xx.c
ARM: PXA2xx: MFP: fix potential direction bug
2012-04-27 11:14:06 +08:00
mfp-pxa3xx.c
ARM / PXA: Use struct syscore_ops for "core" power management
2011-04-24 19:16:09 +02:00
mioa701_bootresume.S
[ARM] pxa/MioA701: fix memory corruption.
2008-11-22 20:57:21 +08:00
mioa701.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
mp900.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
mxm8x10.c
Merge branches 'drivers/macb-gem' and 'drivers/pxa-gpio' into next/drivers
2011-11-23 20:47:41 +00:00
palm27x.c
ARM: pxa: fix inconsistent CONFIG_USB_PXA27X
2011-11-10 15:32:27 +08:00
palmld.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmt5.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmtc.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmte2.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmtreo.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmtx.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
palmz72.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
pcm027.c
ARM: restart: pxa: use new restart hook
2012-01-05 12:57:17 +00:00
pcm990-baseboard.c
ARM: pxa: rename NR_BUILTIN_GPIO
2011-11-14 21:07:59 +08:00
pm.c
ARM: pm: move cpu_init() call into core code
2011-06-24 08:48:43 +01:00
poodle.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
pxa2xx.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
pxa3xx-ulpi.c
usb: otg: Convert all users to pass struct usb_otg for OTG functions
2012-02-27 15:41:52 +02:00
pxa3xx.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
pxa25x.c
Merge branch 'board' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards
2012-03-10 09:15:30 -08:00
pxa27x.c
ARM: pxa: fix gpio wakeup setting
2012-04-27 10:46:45 +08:00
pxa95x.c
Merge branch 'next/fixes-non-critical' into next/drivers
2012-03-20 22:42:24 +00:00
pxa300.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
pxa320.c
ARM: pxa: use common IOMEM definition
2012-03-25 14:36:31 -05:00
pxa930.c
ARM: pxa: support pxa95x
2010-12-18 21:02:14 +08:00
raumfeld.c
ARM: A few more platform fixes for include file fallout
2012-03-30 17:00:34 -07:00
reset.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
saar.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
saarb.c
arch/arm/mach-pxa/: included linux/gpio.h twice
2012-02-16 23:26:19 +08:00
sharpsl_pm.c
ARM: cleanups of io includes
2012-03-29 18:02:10 -07:00
sleep.S
ARM: pm: pxa: move cpu_suspend into C code
2011-06-24 08:48:45 +01:00
smemc.c
ARM / PXA: Use struct syscore_ops for "core" power management
2011-04-24 19:16:09 +02:00
spitz_pm.c
ARM: pxa: fix wrong parsing gpio event on spitz
2012-02-16 10:28:53 +08:00
spitz.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
standby.S
[ARM] pxa: separate definitions from pxa-regs.h and remove it finally
2009-03-09 21:22:40 +08:00
stargate2.c
ARM: arm-soc fixes for 3.4-rc
2012-03-29 21:30:28 -07:00
tavorevb3.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00
tavorevb.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
time.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
tosa-bt.c
ARM: pxa/tosa: drop setting LED trigger name, as it's unsupported now
2011-02-27 21:38:18 +08:00
tosa.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2012-01-12 08:00:30 -08:00
trizeps4.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
viper.c
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2012-03-29 16:53:48 -07:00
vpac270.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
xcep.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
z2.c
ARM: pxa: remove NR_IRQS
2012-01-25 20:37:49 -06:00
zeus.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
zylonite_pxa300.c
ARM: pxa: rename IRQ_GPIO to PXA_GPIO_TO_IRQ
2011-11-14 21:07:58 +08:00
zylonite_pxa320.c
[ARM] pxa/zylonite: simplify reduntant gpio settings on mmc slot
2009-12-29 14:11:34 +08:00
zylonite.c
Merge branch 'samsung/driver' into next/drivers
2012-01-09 16:16:29 +00:00