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authorAlan Stern <stern@rowland.harvard.edu>2008-03-19 17:39:13 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-04-19 22:10:26 -0400
commit9a3df1f7de0ecaf77a1dde86f2a4dc020f37f87e (patch)
tree599a884cf4b42c516226c0f845cd32d0295b74ed /include/linux/pm.h
parentd288e47c471e1090e80c62ad95882fafbf3f499d (diff)
PM: Convert wakeup flag accessors to inline functions
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>
Diffstat (limited to 'include/linux/pm.h')
-rw-r--r--include/linux/pm.h46
1 files changed, 1 insertions, 45 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 3342627e2bd6..1de72cbbe0d1 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -212,54 +212,10 @@ static inline int device_suspend(pm_message_t state)
212 return 0; 212 return 0;
213} 213}
214 214
215#define suspend_report_result(fn, ret) do { } while (0) 215#define suspend_report_result(fn, ret) do {} while (0)
216 216
217#endif /* !CONFIG_PM_SLEEP */ 217#endif /* !CONFIG_PM_SLEEP */
218 218
219#ifdef CONFIG_PM
220
221#define device_set_wakeup_enable(dev,val) \
222 ((dev)->power.should_wakeup = !!(val))
223#define device_may_wakeup(dev) \
224 (device_can_wakeup(dev) && (dev)->power.should_wakeup)
225
226/*
227 * Platform hook to activate device wakeup capability, if that's not already
228 * handled by enable_irq_wake() etc.
229 * Returns zero on success, else negative errno
230 */
231extern int (*platform_enable_wakeup)(struct device *dev, int is_on);
232
233static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
234{
235 if (platform_enable_wakeup)
236 return (*platform_enable_wakeup)(dev, is_on);
237 return 0;
238}
239
240#else /* !CONFIG_PM */
241
242#define device_set_wakeup_enable(dev,val) do{}while(0)
243#define device_may_wakeup(dev) (0)
244
245static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
246{
247 return 0;
248}
249
250#endif /* !CONFIG_PM */
251
252/* changes to device_may_wakeup take effect on the next pm state change.
253 * by default, devices should wakeup if they can.
254 */
255#define device_can_wakeup(dev) \
256 ((dev)->power.can_wakeup)
257#define device_init_wakeup(dev,val) \
258 do { \
259 device_can_wakeup(dev) = !!(val); \
260 device_set_wakeup_enable(dev,val); \
261 } while(0)
262
263/* 219/*
264 * Global Power Management flags 220 * Global Power Management flags
265 * Used to keep APM and ACPI from both being active 221 * Used to keep APM and ACPI from both being active