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linux/drivers/gpio
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David Brownell 1673ad52bd gpio: pcf857x: add lock and handle more chips 
Two small updates to the pcf857x driver: (a) the max732[89] chips are
also second sources for the pcf8574/a, and (b) add a mutex to prevent
trashing the cached state.  Adding the lock is effectively a bugfix,
although it seems unlikely that anyone would have run into the issue it
protects against.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22 09:59:41 -07:00
..
gpiolib.c gpiolib: fix off by one errors 2008-05-24 09:56:11 -07:00
Kconfig gpio: pcf857x: add lock and handle more chips 2008-07-22 09:59:41 -07:00
Makefile gpio: gpio driver for max7301 SPI GPIO expander 2008-07-22 09:59:40 -07:00
max7301.c gpio: gpio driver for max7301 SPI GPIO expander 2008-07-22 09:59:40 -07:00
mcp23s08.c
pca953x.c gpio: pca953x (i2c) handles max7310 too 2008-07-04 10:40:06 -07:00
pcf857x.c gpio: pcf857x: add lock and handle more chips 2008-07-22 09:59:41 -07:00