linux-kernel - Re: [PATCH 4/4] serial: SH_SCI: improve "DMA support" prompt

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Message-ID: <CAMuHMdXmO0+WpMfBusFDjeD6Zqmm=UU+1X9RdRojckMd_HVzLQ@mail.gmail.com>
Date: Mon, 5 Jan 2026 17:51:56 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: linux-kernel@...r.kernel.org, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, 
	Fugang Duan <fugang.duan@....com>, Geert Uytterhoeven <geert+renesas@...der.be>, 
	linux-serial@...r.kernel.org
Subject: Re: [PATCH 4/4] serial: SH_SCI: improve "DMA support" prompt

Hi Randy,

On Sat, 27 Dec 2025 at 21:25, Randy Dunlap <rdunlap@...radead.org> wrote:
> Having a prompt of "DMA support" suddenly appear during a
> "make oldconfig" can be confusing. Add a little helpful text to
> the prompt message.
>
> Fixes: 73a19e4c0301 ("serial: sh-sci: Add DMA support.")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>

Thanks for your patch!

> --- linux-next-20251219.orig/drivers/tty/serial/Kconfig
> +++ linux-next-20251219/drivers/tty/serial/Kconfig
> @@ -671,7 +671,7 @@ config SERIAL_SH_SCI_EARLYCON
>         default ARCH_RENESAS
>
>  config SERIAL_SH_SCI_DMA
> -       bool "DMA support" if EXPERT
> +       bool "DMA support on SuperH SCI(F)" if EXPERT

Perhaps reword to "Support for DMA on SuperH SCI(F)", to match
the surrounding options?

>         depends on SERIAL_SH_SCI && DMA_ENGINE
>         default ARCH_RENESAS

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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