On 6/24/2016 12:28 AM, Arnd Bergmann wrote:
> The driver selects NOP_USB_XCEIV, which can only be built-in if
> USB_GADGET is either disabled or also built-in, so with USB_DWC2_PCI=y
> and USB_GADGET=m, NOP_USB_XCEIV is also built-in and we get this link
> error:
> 
> drivers/usb/built-in.o: In function `nop_set_peripheral':
> (text+0x1927c): undefined reference to `usb_gadget_vbus_connect'
> drivers/usb/built-in.o: In function `nop_gpio_vbus_thread':
> (text+0x197a0): undefined reference to `usb_gadget_vbus_connect'
> (text+0x19830): undefined reference to `usb_gadget_vbus_disconnect'
> 
> This adds the same dependency for the dwc2 driver to avoid that
> broken configuration.
> 
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> ---
>  drivers/usb/dwc2/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/dwc2/Kconfig b/drivers/usb/dwc2/Kconfig
> index c1f29caa8990..e838701d6dd5 100644
> --- a/drivers/usb/dwc2/Kconfig
> +++ b/drivers/usb/dwc2/Kconfig
> @@ -55,6 +55,7 @@ endchoice
>  config USB_DWC2_PCI
>       tristate "DWC2 PCI"
>       depends on PCI
> +     depends on USB_GADGET || !USB_GADGET
>       default n
>       select NOP_USB_XCEIV
>       help
> 

Acked-by: John Youn <johny...@synopsys.com>


John

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