USB: musb: correct DMA address for tx

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 <[email protected]>
Signed-off-by: Mike Frysinger <[email protected]>
Cc: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Cliff Cai 2009-12-21 21:18:02 -05:00 • committed by Greg Kroah-Hartman
commit 796a83fa03

View file

@ -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) {
/*