IXP: Fix GPIO_INT_ACT_LOW_SET()
The GPIO_INT_ACT_LOW_SET was incorrectly handling interrupt lines higher than 7.
This is due to the fact that there are two registers for total of 16 lines.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Bryan Hundven <bryanhundven@gmail.com>
Cc: Michael Schwingen <rincewind@discworld.dascon.de>
diff --git a/arch/arm/include/asm/arch-ixp/ixp425.h b/arch/arm/include/asm/arch-ixp/ixp425.h
index 5132607..c2e9c82 100644
--- a/arch/arm/include/asm/arch-ixp/ixp425.h
+++ b/arch/arm/include/asm/arch-ixp/ixp425.h
@@ -358,6 +358,9 @@
#define IXP425_GPIO_GPCLKR IXP425_GPIO_REG(IXP425_GPIO_GPCLKR_OFFSET)
#define IXP425_GPIO_GPDBSELR IXP425_GPIO_REG(IXP425_GPIO_GPDBSELR_OFFSET)
+#define IXP425_GPIO_GPITR(line) (((line) >= 8) ? \
+ IXP425_GPIO_GPIT2R : IXP425_GPIO_GPIT1R)
+
/*
* Macros to make it easy to access the GPIO registers
*/
@@ -365,8 +368,11 @@
#define GPIO_OUTPUT_DISABLE(line) *IXP425_GPIO_GPOER |= (1 << (line))
#define GPIO_OUTPUT_SET(line) *IXP425_GPIO_GPOUTR |= (1 << (line))
#define GPIO_OUTPUT_CLEAR(line) *IXP425_GPIO_GPOUTR &= ~(1 << (line))
-#define GPIO_INT_ACT_LOW_SET(line) *IXP425_GPIO_GPIT1R = \
- (*IXP425_GPIO_GPIT1R & ~(0x7 << (line * 3))) | (0x1 << (line * 3))
+#define GPIO_INT_ACT_LOW_SET(line) \
+ *IXP425_GPIO_GPITR(line) = \
+ (*IXP425_GPIO_GPITR(line) & \
+ ~(0x7 << (((line) & 0x7) * 3))) | \
+ (0x1 << (((line) & 0x7) * 3)) \
/*
* Constants to make it easy to access Timer Control/Status registers