From: Cliff Cai <cliff.cai@xxxxxxxxxx>
Since a DMA transfer may need to be kicked off several times to complete,
the DMA start must include the length that has already been transferred.
Signed-off-by: Cliff Cai <cliff.cai@xxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
drivers/usb/musb/musb_gadget.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index bfe9c05..74ff624 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -319,7 +319,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
use_dma = use_dma && c->channel_program(
musb_ep->dma, musb_ep->packet_sz,
musb_ep->dma->desired_mode,
- request->dma, request_size);
+ request->dma + request->actual, request_size);
if (use_dma) {
if (musb_ep->dma->desired_mode == 0) {
/*
--
1.6.5.4
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