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From: Guo Ren <guoren@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Maxime Ripard" <maxime@cerno.tech>,
	"Anup Patel" <anup.patel@wdc.com>,
	"Palmer Dabbelt" <palmerdabbelt@google.com>,
	"Chen-Yu Tsai" <wens@csie.org>,
	"Drew Fustini" <drew@beagleboard.org>,
	liush@allwinnertech.com, "Wei Wu (吴伟)" <lazyparser@gmail.com>,
	wefu@redhat.com, linux-riscv <linux-riscv@lists.infradead.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	linux-sunxi@lists.linux.dev, "Guo Ren" <guoren@linux.alibaba.com>,
	"Atish Patra" <atish.patra@wdc.com>,
	"Christoph Hellwig" <hch@lst.de>
Subject: Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option
Date: Mon, 7 Jun 2021 15:45:58 +0800	[thread overview]
Message-ID: <CAJF2gTQxVHYS8m4pWekttRCSbE8O6g7ySDs5YJ=-BtqXZwvYBQ@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a0YVh5T8MmUcAAjhxGBhNm_OeZq9S=rwAsZVMJNAttyOw@mail.gmail.com>

On Mon, Jun 7, 2021 at 3:29 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Mon, Jun 7, 2021 at 9:20 AM Maxime Ripard <maxime@cerno.tech> wrote:
> > On Sun, Jun 06, 2021 at 09:04:08AM +0000, guoren@kernel.org wrote:
>
> > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> > > index ed96376..055fb3e 100644
> > > --- a/arch/riscv/Kconfig.socs
> > > +++ b/arch/riscv/Kconfig.socs
> > > @@ -69,4 +69,16 @@ config SOC_CANAAN_K210_DTB_SOURCE
> > >
> > >  endif
> > >
> > > +config SOC_SUNXI
> > > +     bool "Allwinner SoCs"
> > > +     depends on MMU
> > > +     select DWMAC_GENERIC
> > > +     select SERIAL_8250
> > > +     select SERIAL_8250_CONSOLE
> > > +     select SERIAL_8250_DW
> > > +     select SIFIVE_PLIC
> > > +     select STMMAC_ETH
> > > +     help
> > > +       This enables support for Allwinner SoC platforms like the D1.
> > > +
> >
> > We probably don't want to select DWMAC, STMMAC_ETH and the 8250 options,
> > looks good otherwise.
>
> Correct: those subsystems may be completely disabled, which would lead to a
> build failure, and a platform should not force-enable drivers or
> subsystems unless
> those are build time dependencies.
>
>        Arnd

I see, thx. how about just leave. I think the user would make mistakes
and waste time here.
select SERIAL_8250_DW if SERIAL_8250

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/

  reply	other threads:[~2021-06-07  7:46 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-06  9:03 [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 guoren
2021-06-06  9:03 ` [RFC PATCH v2 01/11] riscv: asid: Use global mappings for kernel pages guoren
2021-06-06  9:03 ` [PATCH V5 1/3] riscv: " guoren
2021-06-06  9:03 ` [PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods guoren
2021-06-06 14:38   ` Christoph Hellwig
2021-06-06  9:03 ` [RFC PATCH v2 02/11] riscv: asid: " guoren
2021-06-06  9:04 ` [RFC PATCH v2 03/11] riscv: asid: Optimize tlbflush coding convention guoren
2021-06-06  9:04 ` [PATCH V5 3/3] riscv: tlbflush: Optimize " guoren
2021-06-06  9:04 ` [RFC PATCH v2 04/11] riscv: pgtable: Fixup _PAGE_CHG_MASK usage guoren
2021-06-06  9:04 ` [RFC PATCH v2 05/11] riscv: pgtable: Add custom protection_map init guoren
2021-06-06  9:04 ` [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes guoren
2021-06-06 14:39   ` Christoph Hellwig
2021-06-06 15:08     ` Guo Ren
2021-06-06 17:22   ` Nick Kossifidis
2021-06-07  6:19     ` Christoph Hellwig
2021-06-06  9:04 ` [RFC PATCH v2 07/11] riscv: cmo: Add dma-noncoherency support guoren
2021-06-06  9:04 ` [RFC PATCH v2 08/11] riscv: cmo: Add vendor custom icache sync guoren
2021-06-06  9:04 ` [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board guoren
2021-06-06 16:26   ` Jernej Škrabec
2021-06-06 17:05     ` Guo Ren
2021-06-07  3:44     ` Guo Ren
2021-06-07  7:27       ` Maxime Ripard
2021-06-07  7:53         ` Guo Ren
2021-06-07  7:24   ` Maxime Ripard
2021-06-07  8:07     ` Guo Ren
2021-06-14 15:33       ` Maxime Ripard
2021-06-14 16:28         ` Guo Ren
2021-06-14 16:31           ` Jernej Škrabec
2021-06-06  9:04 ` [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option guoren
2021-06-07  7:19   ` Maxime Ripard
2021-06-07  7:27     ` Arnd Bergmann
2021-06-07  7:45       ` Guo Ren [this message]
2021-06-07  7:43     ` Guo Ren
2021-06-07 12:12       ` Maxime Ripard
2021-06-07 12:39         ` Guo Ren
2021-06-06  9:04 ` [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use guoren
2021-06-06 10:50   ` Andre Przywara
2021-06-06 15:32     ` Guo Ren
2021-06-06 15:39       ` Jernej Škrabec
2021-06-06 15:41         ` Guo Ren
2021-06-06 16:16   ` Arnd Bergmann
2021-06-06 16:32     ` Jernej Škrabec
2021-06-06 16:53       ` Guo Ren
2021-06-06 16:53     ` Guo Ren
2021-06-06 16:29 ` [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 Jernej Škrabec
2021-06-06 16:54   ` Guo Ren
2021-06-06 17:14     ` Jernej Škrabec
2021-06-06 23:42       ` Guo Ren
2021-06-07  3:44 ` Anup Patel
2021-06-07  4:36   ` Guo Ren

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