From: eric miao <eric.miao@marvell.com>
Date: Tue, 4 Mar 2008 02:57:18 +0000 (+0800)
Subject: [ARM] pxa: generalize the muxed gpio IRQ handling code with loop and ffs()
X-Git-Tag: v2.6.26-rc1~1131^2~2^10~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a26d3a33fd9adcbfd4fa2ca2d7e8a8272817935;p=pandora-kernel.git

[ARM] pxa: generalize the muxed gpio IRQ handling code with loop and ffs()

1. As David Brownell suggests, using ffs() is going to make the loop
   a bit faster (by avoiding unnecessary shift and iteration)

2. Russell suggested find_{first,next}_bit() being used with the
   gedr[] array

Signed-off-by: eric miao <eric.miao@marvell.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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