Commit 1451b91f authored Apr 10, 2013 by Mika Westerberg Committed by Wolfram Sang Apr 15, 2013

i2c-designware: use usleep_range() in the busy-loop



This is not an atomic context so there is no need to use mdelay() but
instead use usleep_range().

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent 3ca4ed87

drivers/i2c/busses/i2c-designware-core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -355,7 +355,7 @@ static int i2c_dw_wait_bus_not_busy(struct dw_i2c_dev *dev)
		return -ETIMEDOUT;
		}
		timeout--;
		mdelay(1);
		usleep_range(1000, 1100);
		}

		return 0;