if (has_pci_pm) retval = pci_set_power_state (dev, state); + dev->dev.power.power_state = state;
No, we should use the dpm_set_power_state() function here instead, right?
If it were exported, that would be an option. None of the dpm_*() functions are exported.
Plus, that normally needs to be called by code that already holds dpm_sem, which would be deadlocksville all over again. (Not unlike the one coming from removing devices that disappear during a PM resume.)
Speaking of somewhat-unusable PM mechanisms, do you know what uses the suspend()/resume() callbacks in "struct device_driver"? Seems that busses have the responsibility for arranging proper device suspend/resume, not generic code.
- Dave
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