diff options
| author | Nicholas Mc Guire <hofrat@osadl.org> | 2018-07-23 12:18:38 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-07-28 14:15:03 +0300 |
| commit | cebc4585f6ac01c3ea8fa8a8dd22848747f24d05 (patch) | |
| tree | ad41723ba36c61c32c99e04d6e050509337c7dc6 /drivers/iio/adc/ad_sigma_delta.c | |
| parent | 1b3bd8592780c87c5eddabbe98666b086bbaee36 (diff) | |
| download | linux-cebc4585f6ac01c3ea8fa8a8dd22848747f24d05.tar.xz | |
iio: ad_sigma_delta: use unsigned long for timeout
wait_for_completion_timeout returns unsigned long not int so an appropriate
variable is declared and the assignment and check fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/ad_sigma_delta.c')
| -rw-r--r-- | drivers/iio/adc/ad_sigma_delta.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index cf1b048b0665..fc9510716ac7 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -209,6 +209,7 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta, unsigned int mode, unsigned int channel) { int ret; + unsigned long timeout; ret = ad_sigma_delta_set_channel(sigma_delta, channel); if (ret) @@ -224,8 +225,8 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta, sigma_delta->irq_dis = false; enable_irq(sigma_delta->spi->irq); - ret = wait_for_completion_timeout(&sigma_delta->completion, 2*HZ); - if (ret == 0) { + timeout = wait_for_completion_timeout(&sigma_delta->completion, 2 * HZ); + if (timeout == 0) { sigma_delta->irq_dis = true; disable_irq_nosync(sigma_delta->spi->irq); ret = -EIO; |