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-rw-r--r--include/linux/pm.h51
1 files changed, 45 insertions, 6 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index e80df06ad22a..8e258c727971 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -215,20 +215,59 @@ struct dev_pm_ops {
215 int (*runtime_idle)(struct device *dev); 215 int (*runtime_idle)(struct device *dev);
216}; 216};
217 217
218#ifdef CONFIG_PM_SLEEP
219#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
220 .suspend = suspend_fn, \
221 .resume = resume_fn, \
222 .freeze = suspend_fn, \
223 .thaw = resume_fn, \
224 .poweroff = suspend_fn, \
225 .restore = resume_fn,
226#else
227#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
228#endif
229
230#ifdef CONFIG_PM_RUNTIME
231#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
232 .runtime_suspend = suspend_fn, \
233 .runtime_resume = resume_fn, \
234 .runtime_idle = idle_fn,
235#else
236#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
237#endif
238
218/* 239/*
219 * Use this if you want to use the same suspend and resume callbacks for suspend 240 * Use this if you want to use the same suspend and resume callbacks for suspend
220 * to RAM and hibernation. 241 * to RAM and hibernation.
221 */ 242 */
222#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ 243#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
223const struct dev_pm_ops name = { \ 244const struct dev_pm_ops name = { \
224 .suspend = suspend_fn, \ 245 SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
225 .resume = resume_fn, \ 246}
226 .freeze = suspend_fn, \ 247
227 .thaw = resume_fn, \ 248/*
228 .poweroff = suspend_fn, \ 249 * Use this for defining a set of PM operations to be used in all situations
229 .restore = resume_fn, \ 250 * (sustem suspend, hibernation or runtime PM).
251 */
252#define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
253const struct dev_pm_ops name = { \
254 SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
255 SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
230} 256}
231 257
258/*
259 * Use this for subsystems (bus types, device types, device classes) that don't
260 * need any special suspend/resume handling in addition to invoking the PM
261 * callbacks provided by device drivers supporting both the system sleep PM and
262 * runtime PM, make the pm member point to generic_subsys_pm_ops.
263 */
264#ifdef CONFIG_PM_OPS
265extern struct dev_pm_ops generic_subsys_pm_ops;
266#define GENERIC_SUBSYS_PM_OPS (&generic_subsys_pm_ops)
267#else
268#define GENERIC_SUBSYS_PM_OPS NULL
269#endif
270
232/** 271/**
233 * PM_EVENT_ messages 272 * PM_EVENT_ messages
234 * 273 *