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-rw-r--r--arch/arm/mach-gemini/idle.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/idle.c b/arch/arm/mach-gemini/idle.c
new file mode 100644
index 0000000..92bbd6b
--- /dev/null
+++ b/arch/arm/mach-gemini/idle.c
@@ -0,0 +1,29 @@
+/*
+ * arch/arm/mach-gemini/idle.c
+ */
+
+#include <linux/init.h>
+#include <asm/system.h>
+#include <asm/proc-fns.h>
+
+static void gemini_idle(void)
+{
+ /*
+ * Because of broken hardware we have to enable interrupts or the CPU
+ * will never wakeup... Acctualy it is not very good to enable
+ * interrupts first since scheduler can miss a tick, but there is
+ * no other way around this. Platforms that needs it for power saving
+ * should call enable_hlt() in init code, since by default it is
+ * disabled.
+ */
+ local_irq_enable();
+ cpu_do_idle();
+}
+
+static int __init gemini_idle_init(void)
+{
+ arm_pm_idle = gemini_idle;
+ return 0;
+}
+
+arch_initcall(gemini_idle_init);