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usb: dwc3: gadget: only resize fifo for isoc ep with 1024 maxpacket

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Signed-off-by: William Wu <william.wu@rock-chips.com>
Change-Id: If28098b07a1d3bf0a35c4ff37ae7f548283191c7
This commit is contained in:
William Wu
2020-09-16 10:46:26 +08:00
committed by Tao Huang
parent cede220648
commit 153905db2e
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc3/gadget.c
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@@ -892,7 +892,8 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep,
ret = __dwc3_gadget_ep_enable(dep, DWC3_DEPCFG_ACTION_INIT);
spin_unlock_irqrestore(&dwc->lock, flags);
if (usb_endpoint_xfer_isoc(ep->desc))
if (usb_endpoint_xfer_isoc(ep->desc) &&
usb_endpoint_maxp(ep->desc) >= 1024)
dwc3_gadget_resize_tx_fifos(dwc);
return ret;