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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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9
include/linux/pm.h
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@@ -421,6 +421,13 @@ enum rpm_request {
struct wakeup_source;
struct pm_subsys_data {
spinlock_t lock;
#ifdef CONFIG_PM_CLK
struct list_head clock_list;
#endif
};
struct dev_pm_info {
pm_message_t power_state;
unsigned int can_wakeup:1;
@@ -462,7 +469,7 @@ struct dev_pm_info {
unsigned long suspended_jiffies;
unsigned long accounting_timestamp;
#endif
void *subsys_data; /* Owned by the subsystem. */
struct pm_subsys_data *subsys_data; /* Owned by the subsystem. */
};
extern void update_pm_runtime_accounting(struct device *dev);