/* * Runtime PM support code * *  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/pm_domain.h>#include <linux/pm_clock.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 0;} static struct dev_pm_domain default_pm_domain = {	.ops = {		.runtime_suspend = pm_clk_suspend,		.runtime_resume = pm_clk_resume,		.runtime_idle = default_platform_runtime_idle,		USE_PLATFORM_PM_SLEEP_OPS	},}; #define DEFAULT_PM_DOMAIN_PTR	(&default_pm_domain) #else #define DEFAULT_PM_DOMAIN_PTR	NULL #endif /* CONFIG_PM_RUNTIME */ static struct pm_clk_notifier_block platform_bus_notifier = {	.pm_domain = DEFAULT_PM_DOMAIN_PTR,	.con_ids = { NULL, },}; static int __init sh_pm_runtime_init(void){	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);	return 0;}core_initcall(sh_pm_runtime_init); static int __init sh_pm_runtime_late_init(void){	pm_genpd_poweroff_unused();	return 0;}late_initcall(sh_pm_runtime_late_init);