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-rw-r--r--drivers/usb/gadget/s3c_udc_otg_xfer_dma.c7
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(&reg->out_endp[ep_num].doepctl);
writel(the_controller->dma_addr[ep_index(ep)+1],