diff options
Diffstat (limited to 'arch/arm/plat-s3c')
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/pm.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/pm.c | 24 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h index 42c75e6d2ba5..5e27de955da0 100644 --- a/arch/arm/plat-s3c/include/plat/pm.h +++ b/arch/arm/plat-s3c/include/plat/pm.h @@ -77,9 +77,11 @@ extern void s3c_pm_do_restore(struct sleep_save *ptr, int count); extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count); #ifdef CONFIG_PM +extern int s3c_irqext_wake(unsigned int irqno, unsigned int state); extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state); extern int s3c24xx_irq_resume(struct sys_device *dev); #else +#define s3c_irqext_wake NULL #define s3c24xx_irq_suspend NULL #define s3c24xx_irq_resume NULL #endif diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c index fea58bea973d..7c736deff8ae 100644 --- a/arch/arm/plat-s3c/pm.c +++ b/arch/arm/plat-s3c/pm.c @@ -27,6 +27,7 @@ #include <mach/regs-gpio.h> #include <mach/regs-mem.h> #include <mach/regs-irq.h> +#include <asm/irq.h> #include <plat/pm.h> #include <plat/pm-core.h> @@ -100,6 +101,29 @@ static void s3c_pm_save_uart(void) { } static void s3c_pm_restore_uart(void) { } #endif +/* The IRQ ext-int code goes here, it is too small to currently bother + * with its own file. */ + +unsigned long s3c_irqwake_intmask = 0xffffffffL; +unsigned long s3c_irqwake_eintmask = 0xffffffffL; + +int s3c_irqext_wake(unsigned int irqno, unsigned int state) +{ + unsigned long bit = 1L << IRQ_EINT_BIT(irqno); + + if (!(s3c_irqwake_eintallow & bit)) + return -ENOENT; + + printk(KERN_INFO "wake %s for irq %d\n", + state ? "enabled" : "disabled", irqno); + + if (!state) + s3c_irqwake_eintmask |= bit; + else + s3c_irqwake_eintmask &= ~bit; + + return 0; +} /* helper functions to save and restore register state */ |