On Fri, 8 Sep 2017, Mike Simms wrote: > Thanks for getting back to me, > > 4.11.11-300.fc26.x86_64 and 4.12.9-300.fc26.x86_64 > are showing identical settings - autosuspend definitely on for > device /sys/bus/usb/devices/2-1.3/2-1.3:1.0/0003:046D:C52B.0001/power > > it shows in the powertop UI as good for both kernels and > > Folder contents are autosuspend_delay_ms (can't open), control (auto), > runtime_active_time (0), runtime_status (unsupported), > runtime_suspended_time (0) Alright, that means that both kernels are allowed to autosuspend the device, but apparently only 4.12 actually does so. Could you please confirm that with usbmon traces? Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html