diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rwxr-xr-x | drivers/usb/gadget/fsl_udc_core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index ea973e1e5509..af03b80569a8 100755 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1304,6 +1304,23 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value, req->req.complete = NULL; req->dtd_count = 0; + /* map virtual address to hardware */ + if (req->req.dma == DMA_ADDR_INVALID) { + req->req.dma = dma_map_single(ep->udc->gadget.dev.parent, + req->req.buf, + req->req.length, ep_is_in(ep) + ? DMA_TO_DEVICE + : DMA_FROM_DEVICE); + req->mapped = 1; + } else { + dma_sync_single_for_device(ep->udc->gadget.dev.parent, + req->req.dma, req->req.length, + ep_is_in(ep) + ? DMA_TO_DEVICE + : DMA_FROM_DEVICE); + req->mapped = 0; + } + /* prime the data phase */ if ((fsl_req_to_dtd(req) == 0)) fsl_queue_td(ep, req); |