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

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Message-ID: <52E76F71.4080304@intel.com>
Date:	Tue, 28 Jan 2014 16:50:57 +0800
From:	"xinhui.pan" <xinhuix.pan@...el.com>
To:	linux-kernel@...r.kernel.org
CC:	linux-gpio@...r.kernel.org, david.a.cohen@...ux.intel.com,
	linus.walleij@...aro.org, gnurou@...il.com,
	yanmin_zhang@...ux.intel.com
Subject: [PATCH] gpio-intel-mid: fix the incorrect return of idle callback

From: "xinhui.pan" <xinhuiX.pan@...el.com>

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@...el.com>
Signed-off-by: xinhui.pan <xinhuiX.pan@...el.com>
---
 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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