diff options
| -rw-r--r-- | drivers/usb/gadget/s3c_udc_otg_xfer_dma.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c b/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c index cbc8734..7c7176b 100644 --- a/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c +++ b/drivers/usb/gadget/s3c_udc_otg_xfer_dma.c @@ -97,18 +97,17 @@ static int setdma_rx(struct s3c_ep *ep, struct s3c_request *req) u32 ep_num = ep_index(ep); buf = req->req.buf + req->req.actual; - - length = min(req->req.length - req->req.actual, (int)ep->ep.maxpacket); + length = min(req->req.length - req->req.actual, + ep_num ? DMA_BUFFER_SIZE : ep->ep.maxpacket); ep->len = length; ep->dma_buf = buf; - if (length == 0) + if (ep_num == EP0_CON || length == 0) pktcnt = 1; else pktcnt = (length - 1)/(ep->ep.maxpacket) + 1; - pktcnt = 1; ctrl = readl(®->out_endp[ep_num].doepctl); writel(the_controller->dma_addr[ep_index(ep)+1], |