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authorAniroop Mathur <a.mathur@samsung.com>2016-11-26 09:17:26 +0530
committerJonathan Cameron <jic23@kernel.org>2016-12-03 08:58:40 +0000
commit071cf2494361fd856f1a6781f9c554da67e35e3c (patch)
tree173b553342e17952c5c58dbefe779537608ef07f /drivers/staging/iio/meter/ade7753.c
parentiio: adis16203: Fix copyright year (diff)
downloadlinux-dev-071cf2494361fd856f1a6781f9c554da67e35e3c.tar.xz
linux-dev-071cf2494361fd856f1a6781f9c554da67e35e3c.zip
IIO: Change msleep to usleep_range for small msecs
msleep(1~20) may not do what the caller intends, and will often sleep longer. (~20 ms actual sleep for any value given in the 1~20ms range) This is not the desired behaviour for many cases like device resume time, device suspend time, device enable time, data reading time, etc. Thus, change msleep to usleep_range for precise wakeups. Signed-off-by: Aniroop Mathur <a.mathur@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/meter/ade7753.c')
-rw-r--r--drivers/staging/iio/meter/ade7753.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c
index 4b5f05fdadcd..671dc9971610 100644
--- a/drivers/staging/iio/meter/ade7753.c
+++ b/drivers/staging/iio/meter/ade7753.c
@@ -377,7 +377,7 @@ static int ade7753_initial_setup(struct iio_dev *indio_dev)
}
ade7753_reset(dev);
- msleep(ADE7753_STARTUP_DELAY);
+ usleep_range(ADE7753_STARTUP_DELAY, ADE7753_STARTUP_DELAY + 100);
err_ret:
return ret;