diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index a6e4637157799769cc0f77b6b2f815c7c4ad6490..671bce18782c5a788ad1af896ab9066fd4078839 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -246,6 +246,7 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd)
 	if (!xhci_rcar_wait_for_pll_active(hcd))
 		return -ETIMEDOUT;
 
+	xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 	return xhci_rcar_download_firmware(hcd);
 }