diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index ce0eaf7d7c12a11f1fd9fb0c76d7275613669bfb..a99c1ac5d8c8bfbdb6795d29fc6d4c22d0acadb5 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -346,8 +346,12 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
 
 	unlink_empty_async_suspended(ehci);
 
+	/* Some Synopsys controllers mistakenly leave IAA turned on */
+	ehci_writel(ehci, STS_IAA, &ehci->regs->status);
+
 	/* Any IAA cycle that started before the suspend is now invalid */
 	end_iaa_cycle(ehci);
+
 	ehci_handle_start_intr_unlinks(ehci);
 	ehci_handle_intr_unlinks(ehci);
 	end_free_itds(ehci);