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The current behavior of dev_pm_qos_add_notifier() makes device PM QoS notifiers less than useful. Namely, it silently returns success when called before any PM QoS constraints are added for the device, so the caller will assume that the notifier has been registered, but when someone actually adds some nontrivial constraints for the device eventually, the previous callers of dev_pm_qos_add_notifier() will not know about that and their notifier routines will not be executed (contrary to their expectations). To address this problem make dev_pm_qos_add_notifier() create the constraints object for the device if it is not present when the routine is called. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by : markgross <markgross@thegnar.org> |
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| .. | ||
| clock_ops.c | ||
| common.c | ||
| domain_governor.c | ||
| domain.c | ||
| generic_ops.c | ||
| main.c | ||
| Makefile | ||
| opp.c | ||
| power.h | ||
| qos.c | ||
| runtime.c | ||
| sysfs.c | ||
| trace.c | ||
| wakeup.c | ||