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PM: Convert wakeup flag accessors to inline functions

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This patch (as1058) improves the wakeup macros in include/linux/pm.h.
All but the trivial ones are converted to inline routines, which
requires moving them to a separate header file since they depend on
the definition of struct device.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2008-03-19 22:39:13 +01:00 • committed by Greg Kroah-Hartman
parent d288e47c47
commit 9a3df1f7de
3 changed files with 94 additions and 45 deletions
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46
include/linux/pm.h
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@ -212,54 +212,10 @@ static inline int device_suspend(pm_message_t state)
return 0;
}
#define suspend_report_result(fn, ret) do { } while (0)
#define suspend_report_result(fn, ret) do {} while (0)
#endif /* !CONFIG_PM_SLEEP */
#ifdef CONFIG_PM
#define device_set_wakeup_enable(dev,val) \
((dev)->power.should_wakeup = !!(val))
#define device_may_wakeup(dev) \
(device_can_wakeup(dev) && (dev)->power.should_wakeup)
/*
* Platform hook to activate device wakeup capability, if that's not already
* handled by enable_irq_wake() etc.
* Returns zero on success, else negative errno
*/
extern int (*platform_enable_wakeup)(struct device *dev, int is_on);
static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
{
if (platform_enable_wakeup)
return (*platform_enable_wakeup)(dev, is_on);
return 0;
}
#else /* !CONFIG_PM */
#define device_set_wakeup_enable(dev,val) do{}while(0)
#define device_may_wakeup(dev) (0)
static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
{
return 0;
}
#endif /* !CONFIG_PM */
/* changes to device_may_wakeup take effect on the next pm state change.
* by default, devices should wakeup if they can.
*/
#define device_can_wakeup(dev) \
((dev)->power.can_wakeup)
#define device_init_wakeup(dev,val) \
do { \
device_can_wakeup(dev) = !!(val); \
device_set_wakeup_enable(dev,val); \
} while(0)
/*
* Global Power Management flags
* Used to keep APM and ACPI from both being active