On Sa, 2018-08-04 at 23:10 +0530, Muni Sekhar wrote: > > Unloading the driver and killing the 'fwupd' daemon resulted that > device to go into runtime suspend. Here I noticed that both the > operations(i.e. rmmod btusb & kill -9 <pid of fwupd>) are mandatory to > device to go into runtime suspend. I'd like to understand how the > driver & daemon are preventing the device to go into suspend mode, can > you please explain me on this? Hi, btusb has support for autosuspend. 1. Please check whether your device supports remote wake up and isn't quirky 2. Try a 'hciconfig hciX down' (with X for your number HTH Oliver -- 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