diff options
| -rw-r--r-- | drivers/serial/atmel_serial.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 61db2166fbb5..955c46da5800 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -793,8 +793,14 @@ static void __init atmel_console_get_options(struct uart_port *port, int *baud, else if (mr == ATMEL_US_PAR_ODD) *parity = 'o'; + /* + * The serial core only rounds down when matching this to a + * supported baud rate. Make sure we don't end up slightly + * lower than one of those, as it would make us fall through + * to a much lower baud rate than we really want. + */ quot = UART_GET_BRGR(port); - *baud = port->uartclk / (16 * (quot)); + *baud = port->uartclk / (16 * (quot - 1)); } static int __init atmel_console_setup(struct console *co, char *options) |