From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Thu, 6 May 2010 09:43:55 +0000 (+0100)
Subject: ARM: 6101/1: nomadik-gpio: don't enable in set_type
X-Git-Tag: v2.6.35-rc1~503^2~4^6~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a852d8060e1bb3a5e621caaebea86c43cf4a62d;p=pandora-kernel.git

ARM: 6101/1: nomadik-gpio: don't enable in set_type

On this peripheral, setting the trigger type enables the interrupt, and
the current set_type() implementation unconditionally enables the
interrupt, even if it is called when the interrupt is disabled.  Fix
set_type() to:

 - if the interrupt is disabled, defer the actual trigger setting to
   when it is unmasked

 - if the interrupt is enabled, change the type immediately by clearing
   the old type and then re-enabling with the new type.

Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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