diff --git a/sys/dev/uart/uart_bus.h b/sys/dev/uart/uart_bus.h
index 556a9228493c..e3078c8bd0eb 100644
--- a/sys/dev/uart/uart_bus.h
+++ b/sys/dev/uart/uart_bus.h
@@ -83,6 +83,7 @@ struct uart_softc {
        struct resource *sc_ires;       /* Interrupt resource. */
        void            *sc_icookie;
        int             sc_irid;
+       int             sc_quirks;
        struct callout  sc_timer;

        int             sc_callout:1;   /* This UART is opened for callout. */
diff --git a/sys/dev/uart/uart_core.c b/sys/dev/uart/uart_core.c
index fe722cb3eb2d..ba59df892a96 100644
--- a/sys/dev/uart/uart_core.c
+++ b/sys/dev/uart/uart_core.c
@@ -493,7 +493,8 @@ uart_bus_sysdev(device_t dev)
 }

 int
-uart_bus_probe(device_t dev, int regshft, int regiowidth, int rclk, int rid, int chan)
+uart_bus_probe(device_t dev, int regshft, int regiowidth, int rclk, int rid, int chan,
+    int quirks)
 {
        struct uart_softc *sc;
        struct uart_devinfo *sysdev;
@@ -563,6 +564,7 @@ uart_bus_probe(device_t dev, int regshft, int regiowidth, int rclk, int rid, int
                }
        }

+       sc->sc_quirks = quirks;
        error = UART_PROBE(sc);
        bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);
        return ((error) ? error : BUS_PROBE_DEFAULT);