[ARM] gpio_free might sleep, arm architecture

[linux-2.6-omap-h63xx.git] / arch / arm / mach-orion5x / gpio.c

diff --git a/arch/arm/mach-orion5x/gpio.c b/arch/arm/mach-orion5x/gpio.c
index fc419868e39fae9670401c652e5d86b4191ae5e0..f99d08811e5af6487bb31120f2b8f8433ba17c23 100644 (file)
--- a/arch/arm/mach-orion5x/gpio.c
+++ b/arch/arm/mach-orion5x/gpio.c
@@ -165,6 +165,8 @@ EXPORT_SYMBOL(gpio_request);
 
 void gpio_free(unsigned pin)
 {
+       might_sleep();
+
        if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
                pr_debug("%s: invalid GPIO %d\n", __func__, pin);
                return;