On Mon, Sep 12, 2016 at 05:36:23PM +0200, Arnd Bergmann wrote: > Moving the CONFIG_USB_ULPI_BUS option to the top-level Kconfig file > means that we can enable it without any of the other USB support, > leading to a build error because Kbuild never enters the > drivers/usb/common/ directory without CONFIG_USB_COMMON: > > ERROR: "ulpi_unregister_driver" [drivers/phy/phy-tusb1210.ko] undefined! > ERROR: "__ulpi_register_driver" [drivers/phy/phy-tusb1210.ko] undefined! > ERROR: "ulpi_write" [drivers/phy/phy-tusb1210.ko] undefined! > Thanks, Arnd. I have submitted the fix. https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h=usb-next&id=6406c3d226374c28d452b11db3b5ac241ce26191 -- Best Regards, Peter Chen -- 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