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

[xinhui.pan]

From: "xinhui.pan" <xinhuiX.pan@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: xinhui.pan <xinhuiX.pan@xxxxxxxxx>
---
 drivers/gpio/gpio-intel-mid.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c
index d1b50ef..05749a3 100644
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -394,7 +394,9 @@ static const struct irq_domain_ops intel_gpio_irq_ops = {
 
 static int intel_gpio_runtime_idle(struct device *dev)
 {
-	pm_schedule_suspend(dev, 500);
+	int err = pm_schedule_suspend(dev, 500);
+	if (err)
+		return err;
 	return -EBUSY;
 }
 
-- 
1.7.9.5
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