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-rw-r--r--arch/blackfin/kernel/bfin_gpio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 0c4fc31029c..05bf85ba744 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -1081,6 +1081,8 @@ void bfin_gpio_free(unsigned gpio)
if (check_gpio(gpio) < 0)
return;
+ might_sleep();
+
local_irq_save_hw(flags);
if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {