linux-kernel - Re: [PATCH v2] serial: mctrl_gpio: Drop support for out1-gpios and out2-gpios

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Message-ID: <CACQ1gAiwO1FeAyo0u1nM4_b+B66D2EcNcLSeZeLA2aRQmO_PSA@mail.gmail.com>
Date:	Fri, 29 Apr 2016 15:11:47 +0200
From:	Richard Genoud <richard.genoud@...il.com>
To:	Geert Uytterhoeven <geert+renesas@...der.be>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>,
	Peter Hurley <peter@...leysoftware.com>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] serial: mctrl_gpio: Drop support for out1-gpios and out2-gpios

2016-04-29 13:40 GMT+02:00 Geert Uytterhoeven <geert+renesas@...der.be>:
> The OUT1 and OUT2 pins present on some legacy UARTs are basically GPIOs.
> It doesn't make much sense to emulate GPIOs using other GPIOs, hence
> drop support for that.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Reviewed-by: Peter Hurley <peter@...leysoftware.com>
> ---
> v2:
>   - Add Reviewed-by,
>   - Drop forgotten UART_GPIO_OUT[12] enum values.
> ---
>  drivers/tty/serial/serial_mctrl_gpio.c | 2 --
>  drivers/tty/serial/serial_mctrl_gpio.h | 2 --
>  2 files changed, 4 deletions(-)
>
> diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c
> index 02147361eaa94747..821ffa637eb630cb 100644
> --- a/drivers/tty/serial/serial_mctrl_gpio.c
> +++ b/drivers/tty/serial/serial_mctrl_gpio.c
> @@ -43,8 +43,6 @@ static const struct {
>         { "rng", TIOCM_RNG, false, },
>         { "rts", TIOCM_RTS, true, },
>         { "dtr", TIOCM_DTR, true, },
> -       { "out1", TIOCM_OUT1, true, },
> -       { "out2", TIOCM_OUT2, true, },
>  };
>
>  void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl)
> diff --git a/drivers/tty/serial/serial_mctrl_gpio.h b/drivers/tty/serial/serial_mctrl_gpio.h
> index bcfad5d1db61decf..332a33ab0647cbe3 100644
> --- a/drivers/tty/serial/serial_mctrl_gpio.h
> +++ b/drivers/tty/serial/serial_mctrl_gpio.h
> @@ -32,8 +32,6 @@ enum mctrl_gpio_idx {
>         UART_GPIO_RI = UART_GPIO_RNG,
>         UART_GPIO_RTS,
>         UART_GPIO_DTR,
> -       UART_GPIO_OUT1,
> -       UART_GPIO_OUT2,
>         UART_GPIO_MAX,
>  };
>
> --
> 1.9.1
>
It seems all right now !


Reviewed-by: Richard Genoud <richard.genoud@...il.com>