Commit 64e01080 authored by Felipe Balbi's avatar Felipe Balbi

usb: dwc3: gadget: simplify __dwc3_gadget_ep_queue()

There is more possibility for sharing code if we just realise that now
__dwc3_gadget_kic_transfer() knows to break out early if there are no
TRBs left.
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent ccb94ebf
......@@ -1290,7 +1290,6 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
{
struct dwc3 *dwc = dep->dwc;
int ret = 0;
if (!dep->endpoint.desc) {
dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
......@@ -1337,24 +1336,14 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
}
if ((dep->flags & DWC3_EP_BUSY) &&
!(dep->flags & DWC3_EP_MISSED_ISOC)) {
WARN_ON_ONCE(!dep->resource_index);
ret = __dwc3_gadget_kick_transfer(dep,
dep->resource_index);
}
!(dep->flags & DWC3_EP_MISSED_ISOC))
goto out;
}
if (!dwc3_calc_trbs_left(dep))
return 0;
}
ret = __dwc3_gadget_kick_transfer(dep, 0);
out:
if (ret == -EBUSY)
ret = 0;
return ret;
return __dwc3_gadget_kick_transfer(dep, 0);
}
static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request,
......
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