On Fri, 10 Nov 2017 Abhijeet@xxxxxxxxxxxxxxx wrote: > From: Abhijeet Kumar <abhijeet.kumar@xxxxxxxxx> > > Runtime resume USB device in order to ensure that PM framework knows > that the we might be using the device in a short time and doesn't > autosuspend the device while we update it's interface. Without this > change, if device autosuspends and the kernel polling for block > devices is disabled through sysfs at runtime or through bootargs, then > storage devices might never unmount since the disconnect IRQ wont be > kicked at all. > > Signed-off-by: Abhijeet Kumar <abhijeet.kumar@xxxxxxxxx> I don't see any reason for doing this. The places that call this subroutine will already have made sure that the device is active. There's no need for an additional runtime_get. As for disconnect IRQs, they occur whether the device is suspended or not (they are generated by the host controller, not by the device). Alan Stern -- 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
