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authorArnd Bergmann <arnd@arndb.de>2012-03-21 14:27:34 +0000
committerArnd Bergmann <arnd@arndb.de>2012-03-21 14:27:34 +0000
commit2cbe23e3a432e3d09a849adb197c8fcc09e7391d (patch)
tree711fe5845c4c7e7eaf8c57a597d86c0f9dda5b06 /arch/arm/mach-gemini/idle.c
parentb2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc (diff)
parented1b4acc43b0c3289faa30cf184f322ab70a5be3 (diff)
Merge branch 'tegra/cleanups' into next/timer
Conflicts: arch/arm/mach-tegra/Makefile arch/arm/mach-vexpress/core.h The tegra Makefile was changed in four different branches in the same line. This merge should reduce the amount of churn. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-gemini/idle.c')
-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 00000000000..92bbd6bb600
--- /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);