D35698.diff
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	diff --git a/sys/dev/usb/controller/dwc3.h b/sys/dev/usb/controller/dwc3.h
	--- a/sys/dev/usb/controller/dwc3.h
	+++ b/sys/dev/usb/controller/dwc3.h
	@@ -54,6 +54,7 @@
	#define DWC3_GGPIO 0xc124
	#define DWC3_GUID 0xc128
	#define DWC3_GUCTL 0xc12C
	+#define DWC3_GUCTL_HOST_AUTO_RETRY (1 << 14)
	#define DWC3_GBUSERRADDRLO 0xc130
	#define DWC3_GBUSERRADDRHI 0xc134
	#define DWC3_GPRTBIMAPLO 0xc138
	diff --git a/sys/dev/usb/controller/dwc3.c b/sys/dev/usb/controller/dwc3.c
	--- a/sys/dev/usb/controller/dwc3.c
	+++ b/sys/dev/usb/controller/dwc3.c
	@@ -209,6 +209,15 @@
	reg &= ~DWC3_GCTL_PRTCAPDIR_MASK;
	reg \|= DWC3_GCTL_PRTCAPDIR_HOST;
	DWC3_WRITE(sc, DWC3_GCTL, reg);
	+
	+ /*
	+ * Enable the Host IN Auto Retry feature, making the
	+ * host respond with a non-terminating retry ACK.
	+ * XXX If we ever support more than host mode this needs a dr_mode check.
	+ */
	+ reg = DWC3_READ(sc, DWC3_GUCTL);
	+ reg \|= DWC3_GUCTL_HOST_AUTO_RETRY;
	+ DWC3_WRITE(sc, DWC3_GUCTL, reg);
	}

	static void