diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 15c07b2b5866f07e316347b5fbdac1c685d9bf54..df876418cb78091a1c751eb5f937c1719cc73919 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -784,6 +784,7 @@ enum dwc3_link_state {
 #define DWC3_TRB_CTRL_ISP_IMI		BIT(10)
 #define DWC3_TRB_CTRL_IOC		BIT(11)
 #define DWC3_TRB_CTRL_SID_SOFN(n)	(((n) & 0xffff) << 14)
+#define DWC3_TRB_CTRL_GET_SID_SOFN(n)	(((n) & (0xffff << 14)) >> 14)
 
 #define DWC3_TRBCTL_TYPE(n)		((n) & (0x3f << 4))
 #define DWC3_TRBCTL_NORMAL		DWC3_TRB_CTRL_TRBCTL(1)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 38d6df98e9cef8b58bfe347735d55cef7e720fdf..e2caf9eec30a5708bcf52da6da5b9d2e05d70490 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2339,6 +2339,19 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
 	if (chain && (trb->ctrl & DWC3_TRB_CTRL_HWO))
 		trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
 
+	/*
+	 * For isochronous transfers, the first TRB in a service interval must
+	 * have the Isoc-First type. Track and report its interval frame number.
+	 */
+	if (usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
+	    (trb->ctrl & DWC3_TRBCTL_ISOCHRONOUS_FIRST)) {
+		unsigned int frame_number;
+
+		frame_number = DWC3_TRB_CTRL_GET_SID_SOFN(trb->ctrl);
+		frame_number &= ~(dep->interval - 1);
+		req->request.frame_number = frame_number;
+	}
+
 	/*
 	 * If we're dealing with unaligned size OUT transfer, we will be left
 	 * with one TRB pending in the ring. We need to manually clear HWO bit