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usb: dwc2: fix USB core dependencies
It is currently possible to configure the dwc2 driver as built-in when host mode or dual-role is enabled, but the USB core is a loadable module. This leads to a link failure: drivers/built-in.o: In function `_dwc2_hcd_start': :(.text+0x84538): undefined reference to `usb_hcd_resume_root_hub' drivers/built-in.o: In function `_dwc2_hcd_urb_dequeue': :(.text+0x84aa0): undefined reference to `usb_hcd_check_unlink_urb' :(.text+0x84e4c): undefined reference to `usb_hcd_unlink_urb_from_ep' :(.text+0x84e74): undefined reference to `usb_hcd_giveback_urb' drivers/built-in.o: In function `dwc2_assign_and_init_hc': :(.text+0x86b98): undefined reference to `usb_hcd_unmap_urb_for_dma' drivers/built-in.o: In function `_dwc2_hcd_urb_enqueue': :(.text+0x8717c): undefined reference to `usb_hcd_link_urb_to_ep' :(.text+0x872f4): undefined reference to `usb_hcd_unlink_urb_from_ep' drivers/built-in.o: In function `dwc2_host_complete': :(.text+0x875d4): undefined reference to `usb_hcd_unlink_urb_from_ep' :(.text+0x87600): undefined reference to `usb_hcd_giveback_urb' drivers/built-in.o: In function `dwc2_hcd_init': :(.text+0x87ba8): undefined reference to `usb_disabled' :(.text+0x87d38): undefined reference to `usb_create_hcd' :(.text+0x88094): undefined reference to `usb_add_hcd' :(.text+0x880dc): undefined reference to `usb_put_hcd' drivers/built-in.o: In function `dwc2_hcd_remove': :(.text+0x8821c): undefined reference to `usb_remove_hcd' :(.text+0x8823c): undefined reference to `usb_put_hcd' drivers/built-in.o: In function `dwc2_hc_handle_tt_clear.isra.10': :(.text+0x88e2c): undefined reference to `usb_hub_clear_tt_buffer' drivers/built-in.o: In function `dwc2_hcd_qtd_add': :(.text+0x8b554): undefined reference to `usb_calc_bus_time' To fix the problem, this patch changes the dependencies so that dwc2 host mode can only be enabled if either the USB core is built-in or both USB and dwc2 are modules. Acked-by:John Youn <johnyoun@synopsys.com> Signed-off-by: