diff options
Diffstat (limited to 'sys/dev/uart/uart_dev_ns8250.c')
| -rw-r--r-- | sys/dev/uart/uart_dev_ns8250.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/dev/uart/uart_dev_ns8250.c b/sys/dev/uart/uart_dev_ns8250.c index ba16b55..4262f8d 100644 --- a/sys/dev/uart/uart_dev_ns8250.c +++ b/sys/dev/uart/uart_dev_ns8250.c @@ -217,7 +217,7 @@ static int ns8250_probe(struct uart_bas *bas); static void ns8250_init(struct uart_bas *bas, int, int, int, int); static void ns8250_term(struct uart_bas *bas); static void ns8250_putc(struct uart_bas *bas, int); -static int ns8250_poll(struct uart_bas *bas); +static int ns8250_rxready(struct uart_bas *bas); static int ns8250_getc(struct uart_bas *bas, struct mtx *); struct uart_ops uart_ns8250_ops = { @@ -225,7 +225,7 @@ struct uart_ops uart_ns8250_ops = { .init = ns8250_init, .term = ns8250_term, .putc = ns8250_putc, - .poll = ns8250_poll, + .rxready = ns8250_rxready, .getc = ns8250_getc, }; @@ -299,12 +299,10 @@ ns8250_putc(struct uart_bas *bas, int c) } static int -ns8250_poll(struct uart_bas *bas) +ns8250_rxready(struct uart_bas *bas) { - if (uart_getreg(bas, REG_LSR) & LSR_RXRDY) - return (uart_getreg(bas, REG_DATA)); - return (-1); + return ((uart_getreg(bas, REG_LSR) & LSR_RXRDY) != 0 ? 1 : 0); } static int |
