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PM: Introduce struct pm_subsys_data

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Introduce struct pm_subsys_data that may be subclassed by subsystems
to store subsystem-specific information related to the device.  Move
the clock management fields accessed through the power.subsys_data
pointer in struct device to the new strucutre.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki
2011-08-25 15:33:50 +02:00
parent 111058c3ff
commit 5c095a0e0d
5 changed files with 84 additions and 62 deletions
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8
include/linux/pm_runtime.h
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@@ -258,14 +258,18 @@ struct pm_clk_notifier_block {
};
#ifdef CONFIG_PM_CLK
extern int pm_clk_init(struct device *dev);
extern void pm_clk_init(struct device *dev);
extern int pm_clk_create(struct device *dev);
extern void pm_clk_destroy(struct device *dev);
extern int pm_clk_add(struct device *dev, const char *con_id);
extern void pm_clk_remove(struct device *dev, const char *con_id);
extern int pm_clk_suspend(struct device *dev);
extern int pm_clk_resume(struct device *dev);
#else
static inline int pm_clk_init(struct device *dev)
static inline void pm_clk_init(struct device *dev)
{
}
static inline int pm_clk_create(struct device *dev)
{
return -EINVAL;
}