[ARM] 3368/1: ixp4xx: set gpio direction in ixp4xx_config_irq
Patch from Alessandro Zummo
ixp4xx_config_irq did not configure the gpio line
as an input.
As an added bonus, the irq2gpio array has been converted
from int to char.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index fbadf30..a0888e1 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -91,7 +91,7 @@
/*
* IRQ -> GPIO mapping table
*/
-static int irq2gpio[32] = {
+static char irq2gpio[32] = {
-1, -1, -1, -1, -1, -1, 0, 1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 2, 3, 4, 5, 6,
@@ -153,6 +153,9 @@
/* Set the new style */
*int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE));
+ /* Configure the line as an input */
+ gpio_line_config(line, IXP4XX_GPIO_IN);
+
return 0;
}