| Message ID | 1447958344-836-14-git-send-email-geert+renesas@glider.be (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index dccea5df5355076a..d82735dd62ae38d8 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1961,7 +1961,10 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, * that the previous boot loader has enabled required clocks and * setup the baud rate generator hardware for us already. */ - max_baud = port->uartclk ? port->uartclk / 16 : 115200; + if (port->uartclk) + max_baud = port->uartclk / max(s->sampling_rate, 8U); + else + max_baud = 115200; baud = uart_get_baud_rate(port, termios, old, 0, max_baud); if (likely(baud && port->uartclk))
The maximum baud rate depends on the sampling rate. HSCIF has a variable sampling rate and sets s->sampling_rate to zero, hence use the minimum sampling rate of 8. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- drivers/tty/serial/sh-sci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)