diff options
Diffstat (limited to 'sys/dev/uart')
| -rw-r--r-- | sys/dev/uart/uart_bus.h | 1 | ||||
| -rw-r--r-- | sys/dev/uart/uart_core.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/uart/uart_bus.h b/sys/dev/uart/uart_bus.h index 4a2d8aa..cc9ce4d 100644 --- a/sys/dev/uart/uart_bus.h +++ b/sys/dev/uart/uart_bus.h @@ -80,6 +80,7 @@ #define UART_IOCTL_BREAK 1 #define UART_IOCTL_IFLOW 2 #define UART_IOCTL_OFLOW 3 +#define UART_IOCTL_BAUD 4 /* * UART class & instance (=softc) diff --git a/sys/dev/uart/uart_core.c b/sys/dev/uart/uart_core.c index 9740cff..ca89c5c 100644 --- a/sys/dev/uart/uart_core.c +++ b/sys/dev/uart/uart_core.c @@ -391,6 +391,11 @@ uart_bus_attach(device_t dev) } if (sc->sc_sysdev != NULL) { + if (sc->sc_sysdev->baudrate == 0) { + if (UART_IOCTL(sc, UART_IOCTL_BAUD, + (intptr_t)&sc->sc_sysdev->baudrate) != 0) + sc->sc_sysdev->baudrate = -1; + } switch (sc->sc_sysdev->type) { case UART_DEV_CONSOLE: device_printf(dev, "console"); |
