tree 79e58d31e79008d7295a642d3a634c5fb001cc03
parent c611ccb48ac9b95e35741b43d018a2f6ed74c0e6
author Felipe Balbi <balbi@ti.com> 1314447009 +0300
committer Felipe Balbi <balbi@ti.com> 1315562521 +0300

usb: dwc3: gadget: set request dma to invalid when unmapping

if we don't set DMA address to invalid when unmapping,
we might fall in a situation where request buffer
can't be mapped to DMA again.

Signed-off-by: Felipe Balbi <balbi@ti.com>