commit f00666140cb84cd80276c9a874198874890d5733
author Tzachi Perelstein <tzachi@marvell.com> Thu Nov 15 10:57:48 2007 +0200
committer Russell King <rmk+kernel@arm.linux.org.uk> Sat Jan 26 15:03:48 2008 +0000
tree 286e67e14efbde6374f57a8997af674d7ebc6d4b
parent 3085de6a82821e3d227e8fae7403dc7a5dc27932

[ARM] Orion edge GPIO IRQ support

This patch adds support for Orion edge sensitive GPIO IRQs.

Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
CC: Thomas Gleixner <tglx@linutronix.de>

arch/arm/mach-orion/gpio.c

diff --git a/arch/arm/mach-orion/gpio.c b/arch/arm/mach-orion/gpio.c
index 0418f5b..d5f00c8 100644
--- a/arch/arm/mach-orion/gpio.c
+++ b/arch/arm/mach-orion/gpio.c
@@ -93,7 +93,7 @@
 	int val, mask = 1 << pin;
 
 	if (orion_read(GPIO_IO_CONF) & mask)
-		val = orion_read(GPIO_DATA_IN);
+		val = orion_read(GPIO_DATA_IN) ^ orion_read(GPIO_IN_POL);
 	else
 		val = orion_read(GPIO_OUT);