summaryrefslogtreecommitdiff
path: root/arch/arm/mach-mxs/pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mxs/pm.c')
-rw-r--r--arch/arm/mach-mxs/pm.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c
new file mode 100644
index 000000000..0170e99fd
--- /dev/null
+++ b/arch/arm/mach-mxs/pm.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/suspend.h>
+#include <linux/io.h>
+#include "pm.h"
+
+static int mxs_suspend_enter(suspend_state_t state)
+{
+ switch (state) {
+ case PM_SUSPEND_MEM:
+ cpu_do_idle();
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static struct platform_suspend_ops mxs_suspend_ops = {
+ .enter = mxs_suspend_enter,
+ .valid = suspend_valid_only_mem,
+};
+
+void __init mxs_pm_init(void)
+{
+ suspend_set_ops(&mxs_suspend_ops);
+}