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[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>
This commit is contained in:
Ben Dooks 2008-12-12 00:24:33 +00:00
parent 20f4d6c3a2
commit 28fd2d397b
1 changed files with 13 additions and 0 deletions
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13
arch/arm/plat-s3c64xx/irq-eint.c
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@ -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 void s3c_irq_eint_maskack(unsigned int irq)
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 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
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;
}