1 files changed, 47 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c
new file mode 100644
index 000000000000..c1febe13f709
--- /dev/null
+++ b/arch/arm/mach-shmobile/suspend.c
@@ -0,0 +1,47 @@
+/*
+ * Suspend-to-RAM support code for SH-Mobile ARM
+ *
+ *  Copyright (C) 2011 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <asm/system.h>
+#include <asm/io.h>
+
+static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
+{
+        cpu_do_idle();
+        return 0;
+}
+
+static int shmobile_suspend_begin(suspend_state_t state)
+{
+        disable_hlt();
+        return 0;
+}
+
+static void shmobile_suspend_end(void)
+{
+        enable_hlt();
+}
+
+struct platform_suspend_ops shmobile_suspend_ops = {
+        .begin          = shmobile_suspend_begin,
+        .end            = shmobile_suspend_end,
+        .enter          = shmobile_suspend_default_enter,
+        .valid          = suspend_valid_only_mem,
+};
+
+static int __init shmobile_suspend_init(void)
+{
+        suspend_set_ops(&shmobile_suspend_ops);
+        return 0;
+}
+late_initcall(shmobile_suspend_init);