diff options
Diffstat (limited to 'include/linux/pm.h')
-rw-r--r-- | include/linux/pm.h | 51 |
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) \ |
223 | const struct dev_pm_ops name = { \ | 244 | const 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) \ | ||
253 | const 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 | ||
265 | extern 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 | * |