On Wed, Jan 28, 2015 at 10:47:18PM +0100, Arnd Bergmann wrote: > The renesas usbhs driver calls extcon_get_edev_by_phandle(), which > is defined in drivers/extcon/extcon-class.c, and that can be a > loadable module. If the extcon-class support is disabled, usbhs > will work correctly for all devices that do not need extcon. > > However, if extcon-class is a loadable module, and usbhs is > built-in, the kernel fails to link. In order to solve that, > we need a Kconfig dependency that allows extcon to be disabled > but does not allow usbhs built-in if extcon is a module. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > > diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig > index de83b9d0cd5c..0ea9040b9f10 100644 > --- a/drivers/usb/renesas_usbhs/Kconfig > +++ b/drivers/usb/renesas_usbhs/Kconfig > @@ -6,6 +6,7 @@ config USB_RENESAS_USBHS > tristate 'Renesas USBHS controller' > depends on USB_GADGET > depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST > + depends on EXTCON || !EXTCON # for module build if extcon is The comment doesn't make much sense on its own (and when I read it before reading the above description, it was down right confusing.) Maybe a longer comment would be a good idea? -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- 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
