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Commit cebc4585 authored by Nicholas Mc Guire's avatar Nicholas Mc Guire Committed by Jonathan Cameron
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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: default avatarNicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: default avatarAlexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 1b3bd859

drivers/iio/adc/ad_sigma_delta.c

+3 −2
Original line number Diff line number Diff line
@@ -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;