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SubjectRe: [PATCH 2/2] tty: serial: make SERIAL_SPRD not depend on ARCH_SPRD
On Mon, 9 Mar 2020 at 18:32, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Chunyan,
>
> On Mon, Mar 9, 2020 at 9:43 AM Chunyan Zhang <zhang.lyra@gmail.com> wrote:
> > On Mon, 9 Mar 2020 at 16:01, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > > On Mon, Mar 9, 2020 at 2:18 AM Chunyan Zhang <zhang.lyra@gmail.com> wrote:
> > > > On Fri, 6 Mar 2020 at 20:41, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > > > > On Thu, Mar 5, 2020 at 11:33 AM Chunyan Zhang <zhang.lyra@gmail.com> wrote:
> > > > > > From: Chunyan Zhang <chunyan.zhang@unisoc.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
> > >
> > > What would be the benefit of the user to be able to have the SPRD serial
> > > driver built-in on any platform? AFAIU, it supports only Spreadtrum
> > > platforms.
> >
> > Right, it does support Spreadtrum platforms only indeed.
> > Like I said on the replay to patch 1/2, simply because I want serial
> > driver can be builtin all the time, no matter ARCH_SPRD is m or y.
>
> OK.
>
> So shouldn't the dependency become
>
> depends on ARCH_SPRD || ARCH_SPRD=m || COMPILE_TEST

Oh, right, this's better than just removing dependency to ARCH_SPRD,
but considering that this patch has been merged into Greg's tree, I
will post another patch to add this.

Thanks for your comments!
Chunyan

>
> instead, to avoid asking the question when you're not building a kernel
> plus modules for Spreadtrum platforms?
>
>
> > > > 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.
> > >
> > > I ask about that as a reply to PATCH 1/2.
> > >
> > > > That's what I mean.
> > >
> > > > > > --- 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@linux-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

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