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Diffstat (limited to 'arch/arm/plat-s3c/pm.c')
-rw-r--r--arch/arm/plat-s3c/pm.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c
index fea58bea973..7c736deff8a 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 */