Patchwork [v7,04/10] usb: dwc3: update stream id in depcmd

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Submitter Anurag Kumar Vulisha
Date Dec. 1, 2018, 11:13 a.m.
Message ID <1543662811-5194-5-git-send-email-anurag.kumar.vulisha@xilinx.com>
Download mbox | patch
Permalink /patch/669731/
State New
Headers show

Comments

Anurag Kumar Vulisha - Dec. 1, 2018, 11:13 a.m.
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>
---
 Changes in v7:
	1. Reverted to dep->stream_capable from dep->endpoint.stream_capable

 Changes in v6:
	1. Used dep->endpoint.stream_capable instead of dep->stream_capable
	   flag

 Changes in v5:
	1. None

 Changes in v4:
	1. None

 Changes in v3:
	1. None

 Changes in v2:
	1. None
---
 drivers/usb/dwc3/gadget.c | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 319a3ed..3171c24 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1232,6 +1232,9 @@  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 {