From: David Jander <david@protonic.nl>
Date: Tue, 14 Jun 2011 09:00:54 +0000 (+0200)
Subject: gpio/pca953x: Fix IRQ support.
X-Git-Tag: v3.1-rc1~313^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c609c05db10dcb020f6869186e548a0596a78896;p=pandora-kernel.git

gpio/pca953x: Fix IRQ support.

It seems that in the normal case, IRQ_NOREQUEST needs to be explicitly
cleared, otherwise claiming the interrupt fails.
In the case of sparse interrupts, the descriptor needs to be allocated
first.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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