linux-kernel - Re: [PATCH 2/2] tty: serial: make SERIAL_SPRD not depend on ARCH

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Date:   Mon, 9 Mar 2020 09:17:40 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Jiri Slaby <jslaby@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Baolin Wang <baolin.wang7@...il.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/2] tty: serial: make SERIAL_SPRD not depend on ARCH_SPRD

Hi Geert,

On Fri, 6 Mar 2020 at 20:41, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Chunyan,
>
> On Thu, Mar 5, 2020 at 11:33 AM Chunyan Zhang <zhang.lyra@...il.com> wrote:
> > From: Chunyan Zhang <chunyan.zhang@...soc.com>
> >
> > Remove the dependency with ARCH_SPRD from sprd serial/console Kconfig-s,
> > since we want them can be built-in when ARCH_SPRD is set as 'm'.
>
> Why would you want a serial driver for a specific platform to be builtin,
> while all other platform support is modular?

Oh, that's not this patch means.

We just want serial driver can be builtin for any platform, so it
should not depend on a config which can be set as 'm' (i.e. ARCH_SPRD)
, otherwise if the config was set as 'm', the serial driver can't be
selected as 'y' then.

That's what I mean.

Cheers,
Chunyan

>
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
> > ---
> >  drivers/tty/serial/Kconfig | 1 -
> >  1 file changed, 1 deletion(-)
> >
> > diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> > index 52eaac21ff9f..2b9addc0afb5 100644
> > --- a/drivers/tty/serial/Kconfig
> > +++ b/drivers/tty/serial/Kconfig
> > @@ -1452,7 +1452,6 @@ config SERIAL_MEN_Z135
> >
> >  config SERIAL_SPRD
> >         tristate "Support for Spreadtrum serial"
> > -       depends on ARCH_SPRD
> >         select SERIAL_CORE
> >         help
> >           This enables the driver for the Spreadtrum's serial.
>
> 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