[PATCH v2] gpio-intel-mid: fix the incorrect return of idle callback

[David Cohen]

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>
Signed-off-by: David Cohen <david.a.cohen@xxxxxxxxxxxxxxx>
Cc: Felibe Balbi <balbi@xxxxxx>
---
 drivers/gpio/gpio-intel-mid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c
index 41218e93b9fe..55688d0548e9 100644
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -369,8 +369,8 @@ 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 = {
-- 
1.8.4.2

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