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iio: vf610_adc: cleanup wait_for_completion return handling

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return type of wait_for_completion_timeout is unsigned long not int, this
patch only fixes up the return handling.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Nicholas Mc Guire 2015-02-02 03:35:20 -05:00 committed by Jonathan Cameron
parent a36385a261
commit ee3ac290e8
1 changed files with 1 additions and 4 deletions
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5
drivers/iio/adc/vf610_adc.c
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@ -259,7 +259,6 @@ static void vf610_adc_cfg_post_set(struct vf610_adc *info)
static void vf610_adc_calibration(struct vf610_adc *info)
{
int adc_gc, hc_cfg;
int timeout;
if (!info->adc_feature.calibration)
return;
@ -271,9 +270,7 @@ static void vf610_adc_calibration(struct vf610_adc *info)
adc_gc = readl(info->regs + VF610_REG_ADC_GC);
writel(adc_gc | VF610_ADC_CAL, info->regs + VF610_REG_ADC_GC);
timeout = wait_for_completion_timeout
(&info->completion, VF610_ADC_TIMEOUT);
if (timeout == 0)
if (!wait_for_completion_timeout(&info->completion, VF610_ADC_TIMEOUT))
dev_err(info->dev, "Timeout for adc calibration\n");
adc_gc = readl(info->regs + VF610_REG_ADC_GS);