From: Nat Gurumoorthy <natg@google.com>
Date: Wed, 25 May 2011 18:43:33 +0000 (+0200)
Subject: hwmon: (it87) Use request_muxed_region
X-Git-Tag: v3.0-rc1~151^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b0380c94a2e888b7858fbec6fc3ac623bc9b05a;p=pandora-kernel.git

hwmon: (it87) Use request_muxed_region

Serialize access to the hardware by using "request_muxed_region" macro
defined by Alan Cox. Call to this macro will hold off the requestor if
the resource is currently busy. "superio_enter" will return an error
if call to "request_muxed_region" fails. Rest of the code change is to
ripple an error return from superio_enter to the top level.

Signed-off-by: Nat Gurumoorthy <natg@google.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---

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