diff options
Diffstat (limited to 'drivers/base/power/sysfs.c')
-rw-r--r-- | drivers/base/power/sysfs.c | 121 |
1 files changed, 119 insertions, 2 deletions
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index e56b4388fe61..8859780817e1 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c | |||
@@ -210,11 +210,122 @@ static DEVICE_ATTR(wakeup, 0644, wake_show, wake_store); | |||
210 | static ssize_t wakeup_count_show(struct device *dev, | 210 | static ssize_t wakeup_count_show(struct device *dev, |
211 | struct device_attribute *attr, char *buf) | 211 | struct device_attribute *attr, char *buf) |
212 | { | 212 | { |
213 | return sprintf(buf, "%lu\n", dev->power.wakeup_count); | 213 | unsigned long count = 0; |
214 | bool enabled = false; | ||
215 | |||
216 | spin_lock_irq(&dev->power.lock); | ||
217 | if (dev->power.wakeup) { | ||
218 | count = dev->power.wakeup->event_count; | ||
219 | enabled = true; | ||
220 | } | ||
221 | spin_unlock_irq(&dev->power.lock); | ||
222 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
214 | } | 223 | } |
215 | 224 | ||
216 | static DEVICE_ATTR(wakeup_count, 0444, wakeup_count_show, NULL); | 225 | static DEVICE_ATTR(wakeup_count, 0444, wakeup_count_show, NULL); |
217 | #endif | 226 | |
227 | static ssize_t wakeup_active_count_show(struct device *dev, | ||
228 | struct device_attribute *attr, char *buf) | ||
229 | { | ||
230 | unsigned long count = 0; | ||
231 | bool enabled = false; | ||
232 | |||
233 | spin_lock_irq(&dev->power.lock); | ||
234 | if (dev->power.wakeup) { | ||
235 | count = dev->power.wakeup->active_count; | ||
236 | enabled = true; | ||
237 | } | ||
238 | spin_unlock_irq(&dev->power.lock); | ||
239 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
240 | } | ||
241 | |||
242 | static DEVICE_ATTR(wakeup_active_count, 0444, wakeup_active_count_show, NULL); | ||
243 | |||
244 | static ssize_t wakeup_hit_count_show(struct device *dev, | ||
245 | struct device_attribute *attr, char *buf) | ||
246 | { | ||
247 | unsigned long count = 0; | ||
248 | bool enabled = false; | ||
249 | |||
250 | spin_lock_irq(&dev->power.lock); | ||
251 | if (dev->power.wakeup) { | ||
252 | count = dev->power.wakeup->hit_count; | ||
253 | enabled = true; | ||
254 | } | ||
255 | spin_unlock_irq(&dev->power.lock); | ||
256 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
257 | } | ||
258 | |||
259 | static DEVICE_ATTR(wakeup_hit_count, 0444, wakeup_hit_count_show, NULL); | ||
260 | |||
261 | static ssize_t wakeup_active_show(struct device *dev, | ||
262 | struct device_attribute *attr, char *buf) | ||
263 | { | ||
264 | unsigned int active = 0; | ||
265 | bool enabled = false; | ||
266 | |||
267 | spin_lock_irq(&dev->power.lock); | ||
268 | if (dev->power.wakeup) { | ||
269 | active = dev->power.wakeup->active; | ||
270 | enabled = true; | ||
271 | } | ||
272 | spin_unlock_irq(&dev->power.lock); | ||
273 | return enabled ? sprintf(buf, "%u\n", active) : sprintf(buf, "\n"); | ||
274 | } | ||
275 | |||
276 | static DEVICE_ATTR(wakeup_active, 0444, wakeup_active_show, NULL); | ||
277 | |||
278 | static ssize_t wakeup_total_time_show(struct device *dev, | ||
279 | struct device_attribute *attr, char *buf) | ||
280 | { | ||
281 | s64 msec = 0; | ||
282 | bool enabled = false; | ||
283 | |||
284 | spin_lock_irq(&dev->power.lock); | ||
285 | if (dev->power.wakeup) { | ||
286 | msec = ktime_to_ms(dev->power.wakeup->total_time); | ||
287 | enabled = true; | ||
288 | } | ||
289 | spin_unlock_irq(&dev->power.lock); | ||
290 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
291 | } | ||
292 | |||
293 | static DEVICE_ATTR(wakeup_total_time_ms, 0444, wakeup_total_time_show, NULL); | ||
294 | |||
295 | static ssize_t wakeup_max_time_show(struct device *dev, | ||
296 | struct device_attribute *attr, char *buf) | ||
297 | { | ||
298 | s64 msec = 0; | ||
299 | bool enabled = false; | ||
300 | |||
301 | spin_lock_irq(&dev->power.lock); | ||
302 | if (dev->power.wakeup) { | ||
303 | msec = ktime_to_ms(dev->power.wakeup->max_time); | ||
304 | enabled = true; | ||
305 | } | ||
306 | spin_unlock_irq(&dev->power.lock); | ||
307 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
308 | } | ||
309 | |||
310 | static DEVICE_ATTR(wakeup_max_time_ms, 0444, wakeup_max_time_show, NULL); | ||
311 | |||
312 | static ssize_t wakeup_last_time_show(struct device *dev, | ||
313 | struct device_attribute *attr, char *buf) | ||
314 | { | ||
315 | s64 msec = 0; | ||
316 | bool enabled = false; | ||
317 | |||
318 | spin_lock_irq(&dev->power.lock); | ||
319 | if (dev->power.wakeup) { | ||
320 | msec = ktime_to_ms(dev->power.wakeup->last_time); | ||
321 | enabled = true; | ||
322 | } | ||
323 | spin_unlock_irq(&dev->power.lock); | ||
324 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
325 | } | ||
326 | |||
327 | static DEVICE_ATTR(wakeup_last_time_ms, 0444, wakeup_last_time_show, NULL); | ||
328 | #endif /* CONFIG_PM_SLEEP */ | ||
218 | 329 | ||
219 | #ifdef CONFIG_PM_ADVANCED_DEBUG | 330 | #ifdef CONFIG_PM_ADVANCED_DEBUG |
220 | #ifdef CONFIG_PM_RUNTIME | 331 | #ifdef CONFIG_PM_RUNTIME |
@@ -288,6 +399,12 @@ static struct attribute * power_attrs[] = { | |||
288 | &dev_attr_wakeup.attr, | 399 | &dev_attr_wakeup.attr, |
289 | #ifdef CONFIG_PM_SLEEP | 400 | #ifdef CONFIG_PM_SLEEP |
290 | &dev_attr_wakeup_count.attr, | 401 | &dev_attr_wakeup_count.attr, |
402 | &dev_attr_wakeup_active_count.attr, | ||
403 | &dev_attr_wakeup_hit_count.attr, | ||
404 | &dev_attr_wakeup_active.attr, | ||
405 | &dev_attr_wakeup_total_time_ms.attr, | ||
406 | &dev_attr_wakeup_max_time_ms.attr, | ||
407 | &dev_attr_wakeup_last_time_ms.attr, | ||
291 | #endif | 408 | #endif |
292 | #ifdef CONFIG_PM_ADVANCED_DEBUG | 409 | #ifdef CONFIG_PM_ADVANCED_DEBUG |
293 | &dev_attr_async.attr, | 410 | &dev_attr_async.attr, |