[ARM] S3C64XX: Set GPIO pin when select IRQ_EINT type
Set the GPIO pin mode to external interrupt when configuring
an IRQ_EINT's IRQ type.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c
index 1f7cc00..5d62f27 100644
--- a/arch/arm/plat-s3c64xx/irq-eint.c
+++ b/arch/arm/plat-s3c64xx/irq-eint.c
@@ -14,12 +14,15 @@
#include <linux/kernel.h>
#include <linux/interrupt.h>
+#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <asm/hardware/vic.h>
#include <plat/regs-irqtype.h>
+#include <plat/regs-gpio.h>
+#include <plat/gpio-cfg.h>
#include <mach/map.h>
#include <plat/cpu.h>
@@ -74,6 +77,7 @@
static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
{
int offs = eint_offset(irq);
+ int pin;
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
@@ -125,6 +129,15 @@
ctrl |= newvalue << shift;
__raw_writel(ctrl, reg);
+ /* set the GPIO pin appropriately */
+
+ if (offs < 23)
+ pin = S3C64XX_GPN(offs);
+ else
+ pin = S3C64XX_GPM(offs - 23);
+
+ s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(2));
+
return 0;
}