diff options
| -rw-r--r-- | drivers/usb/gadget/omap_udc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index b7885dc0f42..de8a89ae4bc 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -691,7 +691,7 @@ static void next_out_dma(struct omap_ep *ep, struct omap_req *req) } static void -finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status) +finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status, int one) { u16 count; @@ -699,6 +699,8 @@ finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status) ep->dma_counter = (u16) (req->req.dma + req->req.actual); count = dma_dest_len(ep, req->req.dma + req->req.actual); count += req->req.actual; + if (one) + count--; if (count <= req->req.length) req->req.actual = count; @@ -747,7 +749,7 @@ static void dma_irq(struct omap_udc *udc, u16 irq_src) if (!list_empty(&ep->queue)) { req = container_of(ep->queue.next, struct omap_req, queue); - finish_out_dma(ep, req, 0); + finish_out_dma(ep, req, 0, dman_stat & UDC_DMA_RX_SB); } UDC_IRQ_SRC_REG = UDC_RXN_EOT; @@ -925,7 +927,7 @@ static void dma_channel_release(struct omap_ep *ep) while (UDC_RXDMA_CFG_REG & mask) udelay(10); if (req) - finish_out_dma(ep, req, -ECONNRESET); + finish_out_dma(ep, req, -ECONNRESET, 0); } omap_free_dma(ep->lch); ep->dma_channel = 0; |