diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 17ac05516642..470bafe1802b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1295,7 +1295,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			}
 			/* In spec software should not attempt to suspend
 			 * a port unless the port reports that it is in the
-			 * enabled (PED = ‘1’,PLS < ‘3’) state.
+			 * enabled (PED = '1',PLS < '3') state.
 			 */
 			portsc = xhci_portsc_readl(port);
 			if ((portsc & PORT_PE) == 0 || (portsc & PORT_RESET) ||
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index cc916ee3cb71..7a21ac81f9c8 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2084,7 +2084,7 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports,
 		       addr, port_offset, port_count, major_revision);
 	/* Port count includes the current port offset */
 	if (port_offset == 0 || (port_offset + port_count - 1) > num_ports)
-		/* WTF? "Valid values are ‘1’ to MaxPorts" */
+		/* WTF? "Valid values are '1' to MaxPorts" */
 		return;
 
 	port_cap = &xhci->port_caps[xhci->num_port_caps++];