[PATCH] Input: omap4-keypad: Fix the pm_runtime_get_sync return check

[Shubhrajyoti D]

A non-zero on pm_runtime_get_sync shouldnt be considered as an error
it only means that there was another user. Fix the error check to check
for negative values only.

This should fix issues like below
[  917.049713] omap4-keypad omap4-keypad: pm_runtime_get_sync() failed
[  917.056457] omap4-keypad: probe of omap4-keypad failed with error 1

Signed-off-by: Shubhrajyoti D <shubhrajyoti@xxxxxx>
---
 drivers/input/keyboard/omap4-keypad.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 17efede..34cddaf 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -305,8 +305,8 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 	 */
 	pm_runtime_enable(&pdev->dev);
 	error = pm_runtime_get_sync(&pdev->dev);
-	if (error) {
-		dev_err(&pdev->dev, "pm_runtime_get_sync() failed\n");
+	if (IS_ERR_VALUE(error)) {
+		dev_err(&pdev->dev, "pm_runtime_get_sync() failed %d\n", error);
 		goto err_unmap;
 	}
 	rev = __raw_readl(keypad_data->base + OMAP4_KBD_REVISION);
-- 
1.7.5.4

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