From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Tue, 24 Apr 2012 10:02:49 +0000 (+0100)
Subject: gpio: add MSIC gpio driver
X-Git-Tag: v3.5-rc1~93^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25cf25073a4e1e0563c288908481f10f98acb19a;p=pandora-kernel.git

gpio: add MSIC gpio driver

Add gpio support for Intel MSIC chips found in Intel Medfield platforms.
MSIC supports totally 24 GPIOs with 16 low voltage and 8 high voltage pins.
Driver uses MSIC mfd interface for MSIC access.

(Updated comment to indicate why locking is actually safe)

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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