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Michael Grzeschik authored
The current driver sets the request's dma addr (mReq->req.dma) to 0 to mark the DMA address as not valid. However some gadget drivers (e.g. gadgetfs) set the request's dma addr to DMA_ADDR_INVALID to mark the address as invalid. This leads to bogus data send because the ci13xxx_udc driver assumes the request has already been mapped. This patch fixes the problem, by using DMA_ADDR_INVALID instead of 0 to mark the request's DMA address as invalid. Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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