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-rw-r--r--arch/arm/mach-mxs/pm.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c
new file mode 100644
index 0000000000..610eabbc78
--- /dev/null
+++ b/arch/arm/mach-mxs/pm.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ */
+
+#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 const 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);
+}