[PATCH] gpiolib: add another might_sleep

From: Uwe Kleine-KÃnig
Date: Thu Feb 17 2011 - 16:19:07 EST


Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/gpio/gpiolib.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5fc5e2d..2c9f814 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1207,6 +1207,7 @@ int gpio_request(unsigned gpio, const char *label)
if (chip->request) {
/* chip->request may sleep */
spin_unlock_irqrestore(&gpio_lock, flags);
+ might_sleep_if(chip->can_sleep);
status = chip->request(chip, gpio - chip->base);
spin_lock_irqsave(&gpio_lock, flags);

--
1.7.2.3

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