From: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Date: Wed, 30 Apr 2014 09:26:00 +0000 (+0100)
Subject: iio: exynos_adc: do a reinit_completion before the conversion
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6442d94ba19da5424d670f4a4523be45e1ee78d9;p=deliverable%2Flinux.git

iio: exynos_adc: do a reinit_completion before the conversion

Add reinit_completion() before the wait_for_completion_timeout in
raw_read() call.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index a9946ec7a3b7..d325aeafe5cb 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -151,6 +151,7 @@ static int exynos_read_raw(struct iio_dev *indio_dev,
 		return -EINVAL;
 
 	mutex_lock(&indio_dev->mlock);
+	reinit_completion(&info->completion);
 
 	/* Select the channel to be used and Trigger conversion */
 	if (info->version == ADC_V2) {