diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 8c19e151a94547..1a5458b5df5c27 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2492,9 +2492,11 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	 * Event ring setup: Allocate a normal ring, but also setup
 	 * the event ring segment table (ERST).  Section 4.9.3.
 	 */
+	val2 = 1 << HCS_ERST_MAX(xhci->hcs_params2);
+	val2 = min_t(unsigned int, ERST_MAX_SEGS, val2);
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Allocating event ring");
-	xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT,
-					0, flags);
+	xhci->event_ring = xhci_ring_alloc(xhci, val2, 1, TYPE_EVENT,
+					   0, flags);
 	if (!xhci->event_ring)
 		goto fail;
 	if (xhci_check_trb_in_td_math(xhci) < 0)
@@ -2507,7 +2509,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	/* set ERST count with the number of entries in the segment table */
 	val = readl(&xhci->ir_set->erst_size);
 	val &= ERST_SIZE_MASK;
-	val |= ERST_NUM_SEGS;
+	val |= val2;
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"// Write ERST size = %i to ir_set 0 (some bits preserved)",
 			val);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7caa0db5e826da..19c0f79a2e7a02 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1671,8 +1671,8 @@ struct urb_priv {
  * Each segment table entry is 4*32bits long.  1K seems like an ok size:
  * (1K bytes * 8bytes/bit) / (4*32 bits) = 64 segment entries in the table,
  * meaning 64 ring segments.
- * Initial allocated size of the ERST, in number of entries */
-#define	ERST_NUM_SEGS	1
+ * Maximum number of segments in the ERST */
+#define	ERST_MAX_SEGS	8
 /* Poll every 60 seconds */
 #define	POLL_TIMEOUT	60
 /* Stop endpoint command timeout (secs) for URB cancellation watchdog timer */