On Sun, 8 Oct 2017, Martin Blumenstingl wrote: > Many SoC platforms have separate devices for the USB PHY which are > registered through the generic PHY framework. These PHYs have to be > enabled to make the USB controller actually work. They also have to be > disabled again on shutdown/suspend.
... > --- /dev/null > +++ b/drivers/usb/core/phy.h > @@ -0,0 +1,7 @@ > +struct usb_phy_roothub; > + > +struct usb_phy_roothub *usb_phy_roothub_init(struct device *dev); > +int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub); > + > +int usb_phy_roothub_power_on(struct usb_phy_roothub *phy_roothub); > +int usb_phy_roothub_power_off(struct usb_phy_roothub *phy_roothub); Have you considered the possibility that a phy might need three power states, for on, off, and suspended? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
