A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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gpio/pca953x bugfix: mark as can_sleep

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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 <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Acked-by: "eric miao" <[email protected]>
Cc: Jean Delvare <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arnaud Patard 2008-03-10 11:43:48 -07:00 • committed by Linus Torvalds
commit 842078054d
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/pca953x.c
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@ -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;