From: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Date: Sat, 1 Dec 2018 11:13:25 +0000 (+0530)
Subject: usb: dwc3: update stream id in depcmd
X-Git-Tag: v5.0-rc1~99^2~16^2~21
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=a7351807bd8b5db0306ccd6977f8c13722731dd5;p=linux.git

usb: dwc3: update stream id in depcmd

For stream capable endpoints, stream id related information
needs to be updated into DEPCMD while issuing START TRANSFER.
This patch does the same.

Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c4e91c6d4fce..d54d434dc986 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1235,6 +1235,9 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep)
 		params.param1 = lower_32_bits(req->trb_dma);
 		cmd = DWC3_DEPCMD_STARTTRANSFER;
 
+		if (dep->stream_capable)
+			cmd |= DWC3_DEPCMD_PARAM(req->request.stream_id);
+
 		if (usb_endpoint_xfer_isoc(dep->endpoint.desc))
 			cmd |= DWC3_DEPCMD_PARAM(dep->frame_number);
 	} else {