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From: Chunyan Zhang <zhang.lyra@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: kernel-team@android.com,
	Catalin Marinas <catalin.marinas@arm.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Chunyan Zhang <chunyan.zhang@unisoc.com>,
	"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
	Jiri Slaby <jslaby@suse.com>,
	Baolin Wang <baolin.wang7@gmail.com>,
	Orson Zhai <orsonzhai@gmail.com>, Will Deacon <will@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] arm64: change ARCH_SPRD Kconfig to tristate
Date: Mon, 9 Mar 2020 16:32:04 +0800	[thread overview]
Message-ID: <CAAfSe-spu2oNmfEYt+WQvRQy1bCC0e1MFjbUyBAFzghd5XNBfw@mail.gmail.com> (raw)
In-Reply-To: <CAMuHMdVyy3v24zBxJFe5hYdnzdj80dvE2Z9GO4=AC1N8fD64pw@mail.gmail.com>

Hi Geert,

On Mon, 9 Mar 2020 at 16:03, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Chunyan.
>
> On Thu, Mar 5, 2020 at 11:33 AM Chunyan Zhang <zhang.lyra@gmail.com> wrote:
> > From: Chunyan Zhang <chunyan.zhang@unisoc.com>
> >
> > The default value of Kconfig for almost all sprd drivers are the same with
> > ARCH_SPRD, making these drivers built as modules as default would be easier
> > if we can set ARCH_SPRD as 'm', so this patch change ARCH_SPRD to tristate.
> >
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
>
> Can you actually boot a kernel on a Spreadtrum platform when all platform
> and driver support is modular?

Yes, even if all drivers are modular.
But I hope serial can be builtin, then I can have a console to see
kernel output before loading modules.
Also, this's what Google GKI [1] asked :)

Regards,
Chunyan

[1] https://arstechnica.com/gadgets/2019/11/google-outlines-plans-for-mainline-linux-kernel-support-in-android/

>
> > +++ b/arch/arm64/Kconfig.platforms
> > @@ -249,7 +249,7 @@ config ARCH_TEGRA
> >           This enables support for the NVIDIA Tegra SoC family.
> >
> >  config ARCH_SPRD
> > -       bool "Spreadtrum SoC platform"
> > +       tristate "Spreadtrum SoC platform"
> >         help
> >           Support for Spreadtrum ARM based SoCs
>
> 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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  reply	other threads:[~2020-03-09  8:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-05 10:32 [PATCH 1/2] arm64: change ARCH_SPRD Kconfig to tristate Chunyan Zhang
2020-03-05 10:32 ` [PATCH 2/2] tty: serial: make SERIAL_SPRD not depend on ARCH_SPRD Chunyan Zhang
2020-03-06 12:41   ` Geert Uytterhoeven
2020-03-09  1:17     ` Chunyan Zhang
2020-03-09  8:01       ` Geert Uytterhoeven
2020-03-09  8:42         ` Chunyan Zhang
2020-03-09 10:32           ` Geert Uytterhoeven
2020-03-09 11:15             ` Chunyan Zhang
2020-03-09 14:10         ` Orson Zhai
2020-03-09  8:03 ` [PATCH 1/2] arm64: change ARCH_SPRD Kconfig to tristate Geert Uytterhoeven
2020-03-09  8:32   ` Chunyan Zhang [this message]
2020-03-09 10:32     ` Geert Uytterhoeven
2020-03-10  4:19       ` Sandeep Patil
2020-03-10  4:27         ` Sandeep Patil
2020-03-10  8:47           ` Geert Uytterhoeven
2020-03-10  9:41       ` Orson Zhai
2020-03-10  9:52         ` Geert Uytterhoeven
2020-03-10 10:13           ` Orson Zhai

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