From: Felipe Balbi Date: Wed, 6 Apr 2016 07:01:14 +0000 (+0300) Subject: usb: dwc3: gadget: don't interrupt when chained X-Git-Tag: v4.14-rc1~3184^2~37^2~26 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8e7046b71daeb6dfbf8c6eaa164e55d4e1dcb5c8;p=platform%2Fkernel%2Flinux-rpi.git usb: dwc3: gadget: don't interrupt when chained 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 --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index c068a8f..88fd30b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -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)