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usb: dwc3: gadget: don't interrupt when chained

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It makes no sense to interrupt in the middle of
chained transfer. This patch just makes sure we
don't do that.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi
2016-04-06 10:01:14 +03:00
parent 052ba52efa
commit 8e7046b71d
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc3/gadget.c
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@@ -804,7 +804,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
/* always enable Continue on Short Packet */
trb->ctrl |= DWC3_TRB_CTRL_CSP;
if (!req->request.no_interrupt)
if (!req->request.no_interrupt && !chain)
trb->ctrl |= DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI;
if (last)