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i2c-designware: use usleep_range() in the busy-loop
authorMika Westerberg <mika.westerberg@linux.intel.com>
Wed, 10 Apr 2013 00:36:41 +0000 (00:36 +0000)
committerWolfram Sang <wsa@the-dreams.de>
Mon, 15 Apr 2013 16:18:14 +0000 (18:18 +0200)
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>

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