3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 937ce5fd5809..d2900197a49e 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2332,7 +2332,8 @@ xhci_add_interrupter(struct xhci_hcd *xhci, struct xhci_interrupter *ir,
 }
 
 struct xhci_interrupter *
-xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs)
+xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs,
+				  u32 imod_interval)
 {
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct xhci_interrupter *ir;
@@ -2365,6 +2366,11 @@ xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs)
 		return NULL;
 	}
 
+	err = xhci_set_interrupter_moderation(ir, imod_interval);
+	if (err)
+		xhci_warn(xhci, "Failed to set interrupter %d moderation to %uns\n",
+			  i, imod_interval);
+
 	xhci_dbg(xhci, "Add secondary interrupter %d, max interrupters %d\n",
 		 i, xhci->max_interrupters);
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index a69245074395..899c0effb5d3 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -347,8 +347,8 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir)
 }
 
 /* interrupt moderation interval imod_interval in nanoseconds */
-static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir,
-					   u32 imod_interval)
+int xhci_set_interrupter_moderation(struct xhci_interrupter *ir,
+				    u32 imod_interval)
 {
 	u32 imod;
 
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d41523c9b15c..1e50ebbe9514 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1826,7 +1826,8 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
 void xhci_free_container_ctx(struct xhci_hcd *xhci,
 		struct xhci_container_ctx *ctx);
 struct xhci_interrupter *
-xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs);
+xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs,
+				  u32 imod_interval);
 void xhci_remove_secondary_interrupter(struct usb_hcd
 				       *hcd, struct xhci_interrupter *ir);
 
@@ -1866,6 +1867,8 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci,
 		struct xhci_virt_device *virt_dev,
 		struct usb_device *hdev,
 		struct usb_tt *tt, gfp_t mem_flags);
+int xhci_set_interrupter_moderation(struct xhci_interrupter *ir,
+				    u32 imod_interval);
 
 /* xHCI ring, segment, TRB, and TD functions */
 dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);