From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 26 Mar 2012 19:47:19 +0000 (+0200)
Subject: i2c-i801: Use usleep_range to wait for command completion
X-Git-Tag: v3.4-rc1~64^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84c1af4c21d645a02a4780cdf61c7551d8e7bb56;p=pandora-kernel.git

i2c-i801: Use usleep_range to wait for command completion

Use usleep_range instead of msleep when waiting for command
completion. Most SMBus commands complete in less than 2 jiffies so
this brings a pleasant performance boost.

Strongly inspired from a similar change by Olivier Sobrie to the
i2c-isch driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Olivier Sobrie <olivier@sobrie.be>
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