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-rw-r--r--arch/arm/mach-omap2/pm_bus.c85
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
23static 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
40static 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
59static 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}
85core_initcall(omap_pm_runtime_init);