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Commit 28fd2d39 authored by Ben Dooks's avatar Ben Dooks
Browse files

[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: default avatarBen Dooks <ben-linux@fluff.org>
parent 20f4d6c3

arch/arm/plat-s3c64xx/irq-eint.c

+13 −0
Original line number Diff line number Diff line
@@ -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;

}