From cebc4585f6ac01c3ea8fa8a8dd22848747f24d05 Mon Sep 17 00:00:00 2001 From: Nicholas Mc Guire Date: Mon, 23 Jul 2018 11:18:38 +0200 Subject: [PATCH] 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 Reviewed-by: Alexandru Ardelean Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ad_sigma_delta.c | 5 +++-- 1 file 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; -- 2.11.0