gpio: intel-mid: fix the incorrect return of idle callback

intel_gpio_runtime_idle should return correct error code if it do fail.
make it more correct even though -EBUSY is the most possible return value.

Signed-off-by: bo.he <bo.he@intel.com>
Signed-off-by: xinhui.pan <xinhuiX.pan@intel.com>
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c
index d1b50ef5fab86928346ac741e7cbfc1c40d64ea0..e585163f1ad55202ecebd56d882992f8765e72fd 100644 (file)
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -394,8 +394,8 @@ static const struct irq_domain_ops intel_gpio_irq_ops = {
 
 static int intel_gpio_runtime_idle(struct device *dev)
 {
-       pm_schedule_suspend(dev, 500);
-       return -EBUSY;
+       int err = pm_schedule_suspend(dev, 500);
+       return err ?: -EBUSY;
 }
 
 static const struct dev_pm_ops intel_gpio_pm_ops = {