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Message-ID: <1532519491-19502-3-git-send-email-anurag.kumar.vulisha@xilinx.com>
Date: Wed, 25 Jul 2018 17:21:25 +0530
From: Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>
To: <balbi@...nel.org>, <gregkh@...uxfoundation.org>
CC: <v.anuragkumar@...il.com>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>
Subject: [PATCH 2/8] 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@...inx.com>
---
drivers/usb/dwc3/gadget.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index f73d219..efc6e13 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1224,6 +1224,9 @@ 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 {
--
2.1.1
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