Am 26.08.19 um 16:42 schrieb Mika Westerberg: > According to PCI FW 3.2 the OS is responsible for those delays if the > platform firmware does not provide that _DSM. So simpler way would be > always do the delays if the _DSM is not there. Well, that is * unless we trip over delays that make other parts of the kernel spin crazy in unterminated loops because there's this mismatch between the PME and the readyness world or whatever you analyzed my system PME interrupt storms for. Note we normally resume devices asynchronously these days unless someone zeroes out /sys/power/pm_async. * assuming we're not seeing complaints from I think it was Nicholas's system with wakeup/resume deadlines.