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usb: dwc3: Remove mdelay to fix USBLAN issue #219

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Merged
gratian merged 1 commit into from
Mar 25, 2025
Merged

usb: dwc3: Remove mdelay to fix USBLAN issue #219

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10 changes: 9 additions & 1 deletion drivers/usb/dwc3/gadget.c
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Original file line number Diff line number Diff line change
Expand Up @@ -438,9 +438,17 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
dwc3_gadget_ep_get_transfer_index(dep);
}

/*
* mdelay below breaks USBLAN in cRIO-9041 and other devices. Commenting
* out instead of removing so git doesn't drop this silently during
* upstream merges if upstream moves this to a different place in
* future.
*
* AB#2419039
*/
if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_ENDTRANSFER &&
!(cmd & DWC3_DEPCMD_CMDIOC))
mdelay(1);
; /* mdelay(1); */

if (saved_config) {
reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
Expand Down