tree 2e0aac15ed22525880dcf35f23cd60f7bd098a96
parent d72b1370b0b45f1fabda5ae4d603773d8a2c226a
author eric miao <eric.miao@marvell.com> 1204599438 +0800
committer Russell King <rmk+kernel@arm.linux.org.uk> 1208600943 +0100

[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>