drivers: power: report battery voltage in AOSP compatible format
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / sh / pm_runtime.c
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f14c4f14 1/*
d03299ee 2 * Runtime PM support code
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3 *
4 * Copyright (C) 2009-2010 Magnus Damm
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/io.h>
14#include <linux/pm_runtime.h>
79620414 15#include <linux/pm_domain.h>
b5e8d269 16#include <linux/pm_clock.h>
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17#include <linux/platform_device.h>
18#include <linux/clk.h>
19#include <linux/sh_clk.h>
20#include <linux/bitmap.h>
1d2b71f6 21#include <linux/slab.h>
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22
23#ifdef CONFIG_PM_RUNTIME
f14c4f14 24
38ade3a1 25static int default_platform_runtime_idle(struct device *dev)
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26{
27 /* suspend synchronously to disable clocks immediately */
28 return pm_runtime_suspend(dev);
29}
30
564b905a 31static struct dev_pm_domain default_pm_domain = {
38ade3a1 32 .ops = {
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33 .runtime_suspend = pm_clk_suspend,
34 .runtime_resume = pm_clk_resume,
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35 .runtime_idle = default_platform_runtime_idle,
36 USE_PLATFORM_PM_SLEEP_OPS
37 },
38};
39
564b905a 40#define DEFAULT_PM_DOMAIN_PTR (&default_pm_domain)
1d2b71f6 41
85eb8c8d 42#else
f14c4f14 43
564b905a 44#define DEFAULT_PM_DOMAIN_PTR NULL
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45
46#endif /* CONFIG_PM_RUNTIME */
47
85eb8c8d 48static struct pm_clk_notifier_block platform_bus_notifier = {
564b905a 49 .pm_domain = DEFAULT_PM_DOMAIN_PTR,
85eb8c8d 50 .con_ids = { NULL, },
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51};
52
53static int __init sh_pm_runtime_init(void)
54{
3d5c3036 55 pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
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56 return 0;
57}
58core_initcall(sh_pm_runtime_init);
999a4d2a 59
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60static int __init sh_pm_runtime_late_init(void)
61{
79620414 62 pm_genpd_poweroff_unused();
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63 return 0;
64}
65late_initcall(sh_pm_runtime_late_init);