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author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-27 03:46:19 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-27 03:46:48 (GMT) |
commit | 47b649590dbbea182f854d6470ee1cd59b7b7684 (patch) | |
tree | a2de3610f9c5e963234cffb35b9d559aab62e164 /drivers/sh/pm_runtime.c | |
parent | 3af5154a869bc278a829bb03e65a709480e821b0 (diff) | |
parent | caca6a03d365883564885f2c1da3e88dcf65d139 (diff) | |
download | linux-47b649590dbbea182f854d6470ee1cd59b7b7684.tar.xz |
Merge 3.2-rc3 into usb-linus
This pulls in the latest USB bugfixes and helps a few of the drivers
merge nicer in the future due to changes in both branches.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/sh/pm_runtime.c')
-rw-r--r-- | drivers/sh/pm_runtime.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c new file mode 100644 index 0000000..afe9282 --- /dev/null +++ b/drivers/sh/pm_runtime.c @@ -0,0 +1,65 @@ +/* + * 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 pm_runtime_suspend(dev); +} + +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); |