From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Tue, 20 Sep 2011 08:50:03 +0000 (+0200)
Subject: gpio/nomadik: disable clocks when unused
X-Git-Tag: v3.2-rc1~124^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c0227d262a5835849c68eb8328db016caad6085;p=pandora-kernel.git

gpio/nomadik: disable clocks when unused

The GPIO clock is required for register access and interrupt detection.
When interrupt detection is not required on any of the pin in a block,
the block's clock can be disabled when the registers are not being
accessed.

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
[Adjust for new IRQ chip core code, use only local functions]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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