Commits
Felipe Balbi committed 482ef1d2fec
usb: gadget: uvc: remove references to DMA_ADDR_INVALID gadget drivers shouldn't touch req->dma at all, since UDC drivers are the ones required to handle mapping and unmapping of the request buffer. Remove references to DMA_ADDR_INVALID so we don't creat false expectations to gadget driver writers. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>