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Commit f567fde2 authored by Laxman Dewangan's avatar Laxman Dewangan Committed by Linus Walleij
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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: default avatarLaxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 42b14cb0

include/linux/gpio.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -22,8 +22,8 @@ 
/* Gpio pin is open source */

/* Gpio pin is open source */

#define GPIOF_OPEN_SOURCE	(1 << 3)

#define GPIOF_OPEN_SOURCE	(1 << 3)





#define GPIOF_EXPORT		(1 << 2)

#define GPIOF_EXPORT		(1 << 4)

#define GPIOF_EXPORT_CHANGEABLE	(1 << 3)

#define GPIOF_EXPORT_CHANGEABLE	(1 << 5)

#define GPIOF_EXPORT_DIR_FIXED	(GPIOF_EXPORT)

#define GPIOF_EXPORT_DIR_FIXED	(GPIOF_EXPORT)

#define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)

#define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)