From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/mach-shmobile/pm_runtime.c | 58 +++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 arch/arm/mach-shmobile/pm_runtime.c

(limited to 'arch/arm/mach-shmobile/pm_runtime.c')

diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/arch/arm/mach-shmobile/pm_runtime.c
new file mode 100644
index 00000000..2d1b67a5
--- /dev/null
+++ b/arch/arm/mach-shmobile/pm_runtime.c
@@ -0,0 +1,58 @@
+/*
+ * arch/arm/mach-shmobile/pm_runtime.c
+ *
+ * Runtime PM support code for SuperH Mobile ARM
+ *
+ *  Copyright (C) 2009-2010 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/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/sh_clk.h>
+#include <linux/bitmap.h>
+#include <linux/slab.h>
+
+#ifdef CONFIG_PM_RUNTIME
+
+static int default_platform_runtime_idle(struct device *dev)
+{
+	/* suspend synchronously to disable clocks immediately */
+	return pm_runtime_suspend(dev);
+}
+
+static struct dev_power_domain default_power_domain = {
+	.ops = {
+		.runtime_suspend = pm_runtime_clk_suspend,
+		.runtime_resume = pm_runtime_clk_resume,
+		.runtime_idle = default_platform_runtime_idle,
+		USE_PLATFORM_PM_SLEEP_OPS
+	},
+};
+
+#define DEFAULT_PWR_DOMAIN_PTR	(&default_power_domain)
+
+#else
+
+#define DEFAULT_PWR_DOMAIN_PTR	NULL
+
+#endif /* CONFIG_PM_RUNTIME */
+
+static struct pm_clk_notifier_block platform_bus_notifier = {
+	.pwr_domain = DEFAULT_PWR_DOMAIN_PTR,
+	.con_ids = { NULL, },
+};
+
+static int __init sh_pm_runtime_init(void)
+{
+	pm_runtime_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
+	return 0;
+}
+core_initcall(sh_pm_runtime_init);
-- 
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