On Wed, 26 Nov 2014, liu chunlin wrote: > Hi Stern, > > > My platform not use udev,do you have good idea to modify usb driver to enable usb storage runtime suspend? It is not possible to do what you want by modifying the USB driver. What does your platform use instead of udev? 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