diff options
Diffstat (limited to 'arch/arm/mach-omap2/pm_bus.c')
-rw-r--r-- | arch/arm/mach-omap2/pm_bus.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/arm/mach-omap2/pm_bus.c b/arch/arm/mach-omap2/pm_bus.c deleted file mode 100644 index 5acd2ab298b1..000000000000 --- a/arch/arm/mach-omap2/pm_bus.c +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* | ||
2 | * Runtime PM support code for OMAP | ||
3 | * | ||
4 | * Author: Kevin Hilman, Deep Root Systems, LLC | ||
5 | * | ||
6 | * Copyright (C) 2010 Texas Instruments, Inc. | ||
7 | * | ||
8 | * This file is licensed under the terms of the GNU General Public | ||
9 | * License version 2. This program is licensed "as is" without any | ||
10 | * warranty of any kind, whether express or implied. | ||
11 | */ | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/io.h> | ||
15 | #include <linux/pm_runtime.h> | ||
16 | #include <linux/platform_device.h> | ||
17 | #include <linux/mutex.h> | ||
18 | |||
19 | #include <plat/omap_device.h> | ||
20 | #include <plat/omap-pm.h> | ||
21 | |||
22 | #ifdef CONFIG_PM_RUNTIME | ||
23 | static int omap_pm_runtime_suspend(struct device *dev) | ||
24 | { | ||
25 | struct platform_device *pdev = to_platform_device(dev); | ||
26 | int r, ret = 0; | ||
27 | |||
28 | dev_dbg(dev, "%s\n", __func__); | ||
29 | |||
30 | ret = pm_generic_runtime_suspend(dev); | ||
31 | |||
32 | if (!ret && dev->parent == &omap_device_parent) { | ||
33 | r = omap_device_idle(pdev); | ||
34 | WARN_ON(r); | ||
35 | } | ||
36 | |||
37 | return ret; | ||
38 | }; | ||
39 | |||
40 | static int omap_pm_runtime_resume(struct device *dev) | ||
41 | { | ||
42 | struct platform_device *pdev = to_platform_device(dev); | ||
43 | int r; | ||
44 | |||
45 | dev_dbg(dev, "%s\n", __func__); | ||
46 | |||
47 | if (dev->parent == &omap_device_parent) { | ||
48 | r = omap_device_enable(pdev); | ||
49 | WARN_ON(r); | ||
50 | } | ||
51 | |||
52 | return pm_generic_runtime_resume(dev); | ||
53 | }; | ||
54 | #else | ||
55 | #define omap_pm_runtime_suspend NULL | ||
56 | #define omap_pm_runtime_resume NULL | ||
57 | #endif /* CONFIG_PM_RUNTIME */ | ||
58 | |||
59 | static int __init omap_pm_runtime_init(void) | ||
60 | { | ||
61 | const struct dev_pm_ops *pm; | ||
62 | struct dev_pm_ops *omap_pm; | ||
63 | |||
64 | pm = platform_bus_get_pm_ops(); | ||
65 | if (!pm) { | ||
66 | pr_err("%s: unable to get dev_pm_ops from platform_bus\n", | ||
67 | __func__); | ||
68 | return -ENODEV; | ||
69 | } | ||
70 | |||
71 | omap_pm = kmemdup(pm, sizeof(struct dev_pm_ops), GFP_KERNEL); | ||
72 | if (!omap_pm) { | ||
73 | pr_err("%s: unable to alloc memory for new dev_pm_ops\n", | ||
74 | __func__); | ||
75 | return -ENOMEM; | ||
76 | } | ||
77 | |||
78 | omap_pm->runtime_suspend = omap_pm_runtime_suspend; | ||
79 | omap_pm->runtime_resume = omap_pm_runtime_resume; | ||
80 | |||
81 | platform_bus_set_pm_ops(omap_pm); | ||
82 | |||
83 | return 0; | ||
84 | } | ||
85 | core_initcall(omap_pm_runtime_init); | ||