Re: [GIT PULL 1/2] Renesas ARM defconfig updates for v5.9

From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	arm-soc <soc@kernel.org>, arm-soc <arm@kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [GIT PULL 1/2] Renesas ARM defconfig updates for v5.9
Date: Mon, 6 Jul 2020 17:48:05 +0200	[thread overview]
Message-ID: <CAMuHMdXD3jtX0yhqKKyTp8jxB+j5MtdD4YLtrP19qf6u3hLePA@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a3HSRjcnmpicvAKOxnrcuZe+OVrdsiqj=eVbPKbjEcYmg@mail.gmail.com>

Hi Arnd,

On Mon, Jul 6, 2020 at 5:41 PM Arnd Bergmann <arnd@arndb.de> wrote:
> On Mon, Jul 6, 2020 at 4:45 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > On Mon, Jul 6, 2020 at 4:37 PM Arnd Bergmann <arnd@arndb.de> wrote:
> > > On Fri, Jul 3, 2020 at 2:07 PM Geert Uytterhoeven
> > > <geert+renesas@glider.be> wrote:
> > > > ----------------------------------------------------------------
> > > > Renesas ARM defconfig updates for v5.9
> > > >
> > > >   - Refresh shmobile_defconfig for v5.8-rc1
> > > >   - Enable additional support for Renesas platforms to
> > > >     shmobile_defconfig, multi_v7_defconfig, and the arm64 defconfig.
> > >
> > > As you write on one of the commits
> > >
> > >    "All of the above are modular, except for Ethernet support (HDMI Audio
> > >     support is an optional feature of the modular ADV7511 driver)."
> > >
> > > I'm starting to see some demand for making more drivers loadable modules
> > > that are traditionally built-in. Can you give a more specific reason why
> > > this one (and I guess CONFIG_RAVB next to it) should not a loadable module?
> >
> > We tend to make Ethernet built-in, to ease testing using nfsroot.
> > If that is no longer desirable, I guess we'll have to improve our initramfs
> > skills ;-)
>
> I'm not sure either. My feeling is that we should probably make all network
> support loadable modules eventually, it seems wrong to single out yours
> if your current workflow depends on the built-in driver today.

Most non-USB Ethernet drivers seem to be built-in?

> I'm pulling your branch for now, but I'll keep asking around what others
> think, and we might change all drivers that can to be loadable
> modules later on.

Thanks!

> In particular, a number of chips that primarily run Android are now
> changed so they can have even more fundamental drivers (pinctrl,
> clk, ...) as loadable modules, and it seems like a good idea to
> also support that in the defconfig.

Aren't the Android devices usually using WiFi, and no nfsroot?

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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