From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 28 Sep 2010 08:00:47 +0000 (+0200)
Subject: can: mcp251x: read-modify-write eflag only when needed
X-Git-Tag: v2.6.37-rc1~147^2~100^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e15de3a73899903f33975b1ce57cf59c616d1d9;p=pandora-kernel.git

can: mcp251x: read-modify-write eflag only when needed

Use read-modify-write instead of a simple write to change the register
contents, to close existing the race window between the original manual
read and write.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
---

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