Commit f567fde2 authored Jun 20, 2012 by Laxman Dewangan Committed by Linus Walleij Jul 05, 2012

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>

parent 42b14cb0

include/linux/gpio.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -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)

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