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

From: Anurag Kumar Vulisha
Date: Sat Dec 01 2018 - 06:14:03 EST


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@xxxxxxxxxx>
---
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(+)

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 {
--
2.1.1