diff options
Diffstat (limited to 'drivers/serial/imx.c')
| -rw-r--r-- | drivers/serial/imx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 8c79e8c2fd4..7b5d1de9cfe 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -818,6 +818,7 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, unsigned int old_csize = old ? old->c_cflag & CSIZE : CS8; unsigned int div, ufcr; unsigned long num, denom; + uint64_t tdiv64; /* * If we don't support modem control lines, don't allow @@ -930,6 +931,12 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, rational_best_approximation(16 * div * baud, sport->port.uartclk, 1 << 16, 1 << 16, &num, &denom); + tdiv64 = sport->port.uartclk; + tdiv64 *= num; + do_div(tdiv64, denom * 16 * div); + tty_encode_baud_rate(sport->port.info->port.tty, + (speed_t)tdiv64, (speed_t)tdiv64); + num -= 1; denom -= 1; |