Commit 58f29034 authored Oct 06, 2016 by Felipe Balbi

usb: dwc3: gadget: CSP is only valid for OUT endpoints



CSP bit is only valid for OUT endpoints. Synopsys
databook is unclear if HW ignores CSP for IN
endpoints (chances are, it does) but to avoid
problems, let's make sure to set CSP only when valid
to do so.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent b9bd138e

drivers/usb/dwc3/gadget.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -875,6 +875,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
		}

		/* always enable Continue on Short Packet */
		if (usb_endpoint_dir_out(dep->endpoint.desc))
		trb->ctrl \|= DWC3_TRB_CTRL_CSP;

		if ((!req->request.no_interrupt && !chain) \|\|