diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-12-12 00:24:33 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-02-26 23:08:59 +0000 |
| commit | 28fd2d397bab5c7fb0eed0c20b6766c99ae34a8f (patch) | |
| tree | c43033eed4d37a6f143da5f8c38e791e3ad86e42 /arch/arm/plat-s3c64xx | |
| parent | 20f4d6c3a2a23c5d7d9cc7f42fbb943ca7a03d1f (diff) | |
| download | lwn-28fd2d397bab5c7fb0eed0c20b6766c99ae34a8f.tar.gz lwn-28fd2d397bab5c7fb0eed0c20b6766c99ae34a8f.zip | |
[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>
Diffstat (limited to 'arch/arm/plat-s3c64xx')
| -rw-r--r-- | arch/arm/plat-s3c64xx/irq-eint.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c index 1f7cc0067f5c..5d62f2799ea9 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 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; } |