> @@ -195,14 +195,13 @@ static void done(struct fsl_ep *ep, struct fsl_req
> *req, int status)
> dma_pool_free(udc->td_pool, curr_td, curr_td->td_dma);
> }
>
> - if (req->mapped) {
> + if (req->req.dma != DMA_ADDR_INVALID) {
> dma_unmap_single(ep->udc->gadget.dev.parent,
> req->req.dma, req->req.length,
> ep_is_in(ep)
> ? DMA_TO_DEVICE
> : DMA_FROM_DEVICE);
> req->req.dma = DMA_ADDR_INVALID;
> - req->mapped = 0;
> } else
> dma_sync_single_for_cpu(ep->udc->gadget.dev.parent,
If the class driver has already mapped this address, the req->req.dma is not
DMA_ADDR_INVALID either, in this case, the dma_sync_single_for_cpu is enough.
Peter
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