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796204142a
Make shmobile use pm_genpd_poweroff_unused() instead of the open-coded powering off PM domains without devices in use. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Magnus Damm <damm@opensource.se>
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* arch/arm/mach-shmobile/pm_runtime.c
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*
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* Runtime PM support code for SuperH Mobile ARM
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*
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* Copyright (C) 2009-2010 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/pm_runtime.h>
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#include <linux/pm_domain.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/sh_clk.h>
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#include <linux/bitmap.h>
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#include <linux/slab.h>
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#ifdef CONFIG_PM_RUNTIME
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static int default_platform_runtime_idle(struct device *dev)
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{
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/* suspend synchronously to disable clocks immediately */
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return pm_runtime_suspend(dev);
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}
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static struct dev_pm_domain default_pm_domain = {
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.ops = {
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.runtime_suspend = pm_clk_suspend,
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.runtime_resume = pm_clk_resume,
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.runtime_idle = default_platform_runtime_idle,
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USE_PLATFORM_PM_SLEEP_OPS
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},
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};
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#define DEFAULT_PM_DOMAIN_PTR (&default_pm_domain)
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#else
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#define DEFAULT_PM_DOMAIN_PTR NULL
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#endif /* CONFIG_PM_RUNTIME */
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static struct pm_clk_notifier_block platform_bus_notifier = {
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.pm_domain = DEFAULT_PM_DOMAIN_PTR,
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.con_ids = { NULL, },
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};
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static int __init sh_pm_runtime_init(void)
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{
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pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
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return 0;
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}
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core_initcall(sh_pm_runtime_init);
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static int __init sh_pm_runtime_late_init(void)
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{
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pm_genpd_poweroff_unused();
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return 0;
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}
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late_initcall(sh_pm_runtime_late_init);
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