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gpio: fix bits conflict for gpio flags 

The bit 2 and 3 in GPIO flag are allocated for the
flag OPEN_DRAIN/OPEN_SOURCE. These bits are reused
for the flag EXPORT/EXPORT_CHANGEABLE and so creating
conflict.
Fix this conflict by assigning bit 4 and 5 for the
flag EXPORT/EXPORT_CHANGEABLE.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Laxman Dewangan 2012-06-20 14:14:05 +05:30 committed by Linus Walleij
parent 42b14cb037
commit f567fde246
1 changed files with 2 additions and 2 deletions
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4
include/linux/gpio.h
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@ -22,8 +22,8 @@
/* Gpio pin is open source */
#define GPIOF_OPEN_SOURCE (1 << 3)
#define GPIOF_EXPORT (1 << 2)
#define GPIOF_EXPORT_CHANGEABLE (1 << 3)
#define GPIOF_EXPORT (1 << 4)
#define GPIOF_EXPORT_CHANGEABLE (1 << 5)
#define GPIOF_EXPORT_DIR_FIXED (GPIOF_EXPORT)
#define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)