diff options
author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2020-03-29 16:13:04 -0700 |
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committer | Felipe Balbi <balbi@kernel.org> | 2020-05-05 11:00:13 +0300 |
commit | 9bc3395c24962e8c8e4f590ca2740c56e4a7a4fe (patch) | |
tree | c72aa177d6d35b0481374c714aa58e58c2e76a72 /drivers/usb | |
parent | 8d99087c2db863c5fa3a4a1f3cb82b3a493705ca (diff) | |
download | linux-9bc3395c24962e8c8e4f590ca2740c56e4a7a4fe.tar.bz2 |
usb: dwc3: gadget: Store resource index of start cmd
As long as the START_TRANSFER command completes, it provides the
resource index of the endpoint. Use this when we need to issue
END_TRANSFER command to an isoc endpoint to retry with a new
XferNotReady event.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 23228500b706..a6aebe55db4a 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -387,9 +387,12 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd, trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status); - if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) { - dep->flags |= DWC3_EP_TRANSFER_STARTED; - dwc3_gadget_ep_get_transfer_index(dep); + if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) { + if (ret == 0) + dep->flags |= DWC3_EP_TRANSFER_STARTED; + + if (ret != -ETIMEDOUT) + dwc3_gadget_ep_get_transfer_index(dep); } if (saved_config) { |