[PATCH 2/4] mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning

[Lee Jones]

drivers/mfd/ab8500-gpadc.c: In function ‘ab8500_gpadc_resume’:
drivers/mfd/ab8500-gpadc.c:911:18: warning: ignoring return value of
        ‘regulator_enable’, declared with attribute warn_unused_result
        [-Wunused-result]

Cc: Samuel Ortiz <sameo at linux.intel.com>
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 drivers/mfd/ab8500-gpadc.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c
index 5e65b28..7278e53 100644
--- a/drivers/mfd/ab8500-gpadc.c
+++ b/drivers/mfd/ab8500-gpadc.c
@@ -907,8 +907,11 @@ static int ab8500_gpadc_suspend(struct device *dev)
 static int ab8500_gpadc_resume(struct device *dev)
 {
 	struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
+	int ret;
 
-	regulator_enable(gpadc->regu);
+	ret = regulator_enable(gpadc->regu);
+	if (ret < 0)
+		return ret;
 
 	pm_runtime_mark_last_busy(gpadc->dev);
 	pm_runtime_put_autosuspend(gpadc->dev);
-- 
1.7.10.4