Re: [RFC PATCHv1] usb: dwc2: Combine the dwc2 and s3c_hsotg into a single USB DRD driver.

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On Wednesday, February 12, 2014 2:34 PM, Stephen Warren wrote:
> On 02/04/2014 02:45 PM, dinguyen@xxxxxxxxxx wrote:
> > From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
> >
> > This means that the driver can be in host or peripheral mode when the appropriate
> > connector is used. When an A-cable is plugged in, the driver behaves in host
> > mode, and when a B-cable is used, the driver will be in peripheral mode.
> 
> Sorry for the slow response. When building ARCH=arm bcm2835_defconfig, I
> get build errors:
> 
> > drivers/built-in.o: In function `dwc2_gadget_init':
> > drivers/usb/dwc2/s3c-hsotg.c:3335: undefined reference to `usb_add_gadget_udc'
> > drivers/built-in.o: In function `s3c_hsotg_remove':
> > drivers/usb/dwc2/s3c-hsotg.c:3358: undefined reference to `usb_del_gadget_udc'
> > drivers/usb/dwc2/s3c-hsotg.c:3364: undefined reference to `usb_gadget_unregister_driver'

These errors happen when CONFIG_USB_GADGET=n. 's3c-hsotg.c'
supports only gadget mode. In the case of USB_DWC2_HOST mode,
CONFIG_USB_GADGET is NOT enabled. I don't know how to solve it.

Best regards,
Jingoo Han

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