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linux_old1/drivers/gpio
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Roland Stigge 6e20fb1805 drivers/gpio/pca953x.c: add a mutex to fix race condition 
Add a mutex to register communication and handling.  Without the mutex,
GPIOs didn't switch as expected when toggled in a fast sequence of
status changes of multiple outputs.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Marc Zyngier <maz@misterjones.org>
Cc: Ben Gardner <bgardner@wabtec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2011-02-11 16:12:20 -08:00
..
74x164.c gpio: add support for 74x164 serial-in/parallel-out 8-bit shift register 2010-10-27 18:03:07 -07:00
Kconfig gpio/ml_ioh_gpio: ML7213 GPIO driver 2011-01-13 08:03:14 -08:00
Makefile gpio/ml_ioh_gpio: ML7213 GPIO driver 2011-01-13 08:03:14 -08:00
adp5520-gpio.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
adp5588-gpio.c gpio: adp5588-gpio: irq_data conversion 2011-01-13 08:03:13 -08:00
basic_mmio_gpio.c gpio: add driver for basic memory-mapped GPIO controllers 2010-10-27 18:03:06 -07:00
bt8xxgpio.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cs5535-gpio.c gpio: Fix cs5535 printk warnings 2011-01-14 12:38:11 +01:00
gpiolib.c gpiolib: gpio_request_one(): add missing gpio_free() 2010-12-22 19:43:33 -08:00
it8761e_gpio.c drivers/gpio/it8761e_gpio: check return value of gpiochip_remove() 2010-05-27 09:12:42 -07:00
janz-ttl.c gpio: Add support for Janz VMOD-TTL Digital IO module 2010-05-28 01:37:33 +02:00
langwell_gpio.c langwell_gpio: modify EOI handling following change of kernel irq subsystem 2011-01-26 10:49:59 +10:00
max730x.c gpio: max730x: make pullups configurable via platformdata 2010-08-11 08:59:08 -07:00
max732x.c gpio: max732x: irq_data conversion 2011-01-13 08:03:13 -08:00
max7300.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
max7301.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mc33880.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mcp23s08.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ml_ioh_gpio.c gpio/ml_ioh_gpio: ML7213 GPIO driver 2011-01-13 08:03:14 -08:00
pca953x.c drivers/gpio/pca953x.c: add a mutex to fix race condition 2011-02-11 16:12:20 -08:00
pcf857x.c pcf857x: support working w/o platform data 2010-08-11 08:59:08 -07:00
pch_gpio.c gpio: add Topcliff PCH GPIO driver 2010-10-27 18:03:07 -07:00
pl061.c gpio: pl061: irq_data conversion 2011-01-13 08:03:13 -08:00
rdc321x-gpio.c gpio: Fix null pointer dereference while accessing rdc321x platform_data 2010-12-22 12:05:20 +01:00
sch_gpio.c gpio: Fix sch_gpio warning 2010-03-07 22:17:37 +01:00
stmpe-gpio.c gpio: stmpe-gpio: irq_data conversion 2011-01-13 08:03:13 -08:00
sx150x.c gpio: sx150x: irq_data conversion 2011-01-13 08:03:14 -08:00
tc3589x-gpio.c gpio: tc35892-gpio: irq_data conversion 2011-01-13 08:03:14 -08:00
timbgpio.c gpio: timbgpio: Fix up irq_data conversion breakage. 2011-01-14 08:13:13 -08:00
twl4030-gpio.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ucb1400_gpio.c mfd/gpio: add a GPIO interface to the UCB1400 MFD chip driver via gpiolib 2009-09-23 07:39:48 -07:00
vr41xx_giu.c gpio: vr41xx_giu: irq_data conversion 2011-01-13 08:03:14 -08:00
vx855_gpio.c gpio: Add VIA VX855 GPIO driver 2010-10-29 00:29:51 +02:00
wm831x-gpio.c gpiolib: Implement set_debounce for WM831x GPIOs 2010-08-12 11:27:57 +02:00
wm8350-gpiolib.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
wm8994-gpio.c gpiolib: Add WM8958 support to the WM8994 driver 2010-11-26 15:16:19 +00:00
xilinx_gpio.c of: GPIO: Fix OF probing on little-endian systems 2010-09-29 15:28:08 +09:00