On Thu, Mar 17, 2016 at 2:47 PM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> --- a/drivers/tty/serial/sh-sci.c
> +++ b/drivers/tty/serial/sh-sci.c
> @@ -1829,15 +1831,36 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
> serial_port_in(port, SCFCR) |
> SCFCR_LOOP);
> }
> +
> + mctrl_gpio_set(to_sci_port(port)->gpios, mctrl);
> }
>
> static unsigned int sci_get_mctrl(struct uart_port *port)
> {
> + unsigned int mctrl = 0;
> +
> + mctrl_gpio_get(to_sci_port(port)->gpios, &mctrl);
> +
> /*
> * CTS/RTS is handled in hardware when supported, while nothing
> * else is wired up. Keep it simple and simply assert CTS/DSR/CAR.
> */
> - return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
> + if (IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(to_sci_port(port)->gpios,
> + UART_GPIO_CTS)))
> + mctrl |= TIOCM_CTS;
> + if (IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(to_sci_port(port)->gpios,
> + UART_GPIO_DSR)))
> + mctrl |= TIOCM_DSR;
> + if (IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(to_sci_port(port)->gpios,
> + UART_GPIO_CAR)))
Oops, something went wrong during rebase before sending: that should
have been "UART_GPIO_DCD".
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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