From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 19 Jun 2009 14:58:19 +0000 (+0200)
Subject: i2c: Limit core locking to the necessary sections
X-Git-Tag: v2.6.31-rc1~107^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35fc37f8188177e3ba3e7f99a6e3300e490e9181;p=pandora-kernel.git

i2c: Limit core locking to the necessary sections

The i2c-core code tends to hold the core lock for longer than it
should. Limit locking to the necessary sections for both performance
and clarity. This is also a requirement to support I2C multiplexers in
the future.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Rodolfo Giometti <giometti@linux.it>
Cc: David Brownell <dbrownell@users.sourceforge.net>
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