diff options
| author | Arnaud Patard <arnaud.patard@rtp-net.org> | 2008-03-10 19:43:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-11 02:01:19 +0100 |
| commit | 842078054da2d754c6b998b116d7c468abbfaaca (patch) | |
| tree | e31e3d8bef79080c339f94a3a0e205774201e203 | |
| parent | md: reduce CPU wastage on idle md array with a write-intent bitmap (diff) | |
| download | linux-842078054da2d754c6b998b116d7c468abbfaaca.tar.xz linux-842078054da2d754c6b998b116d7c468abbfaaca.zip | |
gpio/pca953x bugfix: mark as can_sleep
The pca953x driver is an I2C driver so gpio_chip->can_sleep should be set.
This lets upper layers know they should use the gpio_*_cansleep() calls to
access values, and may not access them from nonsleeping contexts.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: "eric miao" <eric.y.miao@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpio/pca953x.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index 92583cd4bffd..6e72fd31184d 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -184,6 +184,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) gc->direction_output = pca953x_gpio_direction_output; gc->get = pca953x_gpio_get_value; gc->set = pca953x_gpio_set_value; + gc->can_sleep = 1; gc->base = chip->gpio_start; gc->ngpio = gpios; |