Initial import

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/mach-gemini/idle.c b/arch/arm/mach-gemini/idle.c
new file mode 100644
index 000000000..ddf8ec9d2
--- /dev/null
+++ b/arch/arm/mach-gemini/idle.c
@@ -0,0 +1,31 @@
+/*
+ * arch/arm/mach-gemini/idle.c
+ */
+
+#include <linux/init.h>
+#include <asm/system_misc.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 enable it in init code, since by default it is
+	 * disabled.
+	 */
+
+	/* FIXME: Enabling interrupts here is racy! */
+	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);