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usb: dwc3: gadget: XferNotReady is Isoc-only

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We don't use XferNotReady for anything other than Default Control
Pipe, which is handled in ep0.c, and Isochronous endpoints. Let's make
that clear in the code.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2018-03-26 13:26:00 +03:00
parent 52fcc0bead
commit 38408464aa
1 changed files with 6 additions and 4 deletions
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10
drivers/usb/dwc3/gadget.c
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@ -2533,11 +2533,13 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
dwc3_endpoint_transfer_complete(dwc, dep, event);
break;
case DWC3_DEPEVT_XFERNOTREADY:
if (usb_endpoint_xfer_isoc(dep->endpoint.desc))
dwc3_gadget_start_isoc(dwc, dep, event);
else
__dwc3_gadget_kick_transfer(dep);
if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
dev_err(dwc->dev, "XferNotReady for non-Isoc %s\n",
dep->name);
return;
}
dwc3_gadget_start_isoc(dwc, dep, event);
break;
case DWC3_DEPEVT_STREAMEVT:
if (!usb_endpoint_xfer_bulk(dep->endpoint.desc)) {