gpio: Langwell GPIO driver bugfixes
authorAlek Du <alek.du@intel.com>
Tue, 1 Dec 2009 21:17:45 +0000 (13:17 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 2 Dec 2009 00:32:19 +0000 (16:32 -0800)
commitca0297015d4f117005718e01aa368875abcccbc5
tree8a2702f6b45851eaaa3ddc41f5588e89c1524025
parent974348435c6d7b65fd6d8857b4809b0ff208d323
gpio: Langwell GPIO driver bugfixes

- Remove wrong and unnecessary unmask operation

- Remove extra GEDR reading

This fixes the loss of interrupts which occurs when two or more pins are
triggered in close succession.

Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/gpio/langwell_gpio.c