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    Subject[PATCH 2/4] mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning
    Date
    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@linux.intel.com>
    Signed-off-by: Lee Jones <lee.jones@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
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