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authorFelipe Balbi <felipe.balbi@linux.intel.com>2016-04-06 09:01:14 +0200
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-04-19 10:11:52 +0200
commit8e7046b71daeb6dfbf8c6eaa164e55d4e1dcb5c8 (patch)
tree39fe5612b6f26495661f37c7f841576d450da105 /drivers/usb/dwc3/gadget.c
parentusb: dwc3: gadget: remove newline from trace (diff)
downloadlinux-8e7046b71daeb6dfbf8c6eaa164e55d4e1dcb5c8.tar.xz
linux-8e7046b71daeb6dfbf8c6eaa164e55d4e1dcb5c8.zip
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 <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c068a8f21f37..88fd30bf0c46 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)