1 files changed, 2 insertions, 0 deletions

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 0c4fc31029c2..05bf85ba7443 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)))) {