linux-kernel - Re: [PATCH 06/15] soc: add Ambarella driver

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Date:   Tue, 24 Jan 2023 16:27:43 +0800
From:   Li Chen <me@...ux.beauty>
To:     <Conor.Dooley@...rochip.com>
Cc:     <lchen@...arella.com>, <arnd@...db.de>, <heiko@...ech.de>,
        <lkundrak@...sk>, <robert.jarzmik@...e.fr>, <sven@...npeter.dev>,
        <zhuyinbo@...ngson.cn>, <briannorris@...omium.org>,
        <hasegawa-hitomi@...itsu.com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 06/15] soc: add Ambarella driver

On Mon, 23 Jan 2023 19:48:42 +0800,

Hi Conor.Dooley

<Conor.Dooley@...rochip.com> wrote:
>
> Hey Li Chen,
>
> Since you've already got a bunch of other comments, I have
> two minor ones for you.
>
> On 23/01/2023 07:32, Li Chen wrote:
> >
> > This driver add soc_id support for Ambarella,
> > which is stored inside "cpuid" AXI address mapping.
> >
> > Also provide sys_config(POC, aka power on configuration)
> > for other drivers.
> >
> > Signed-off-by: Li Chen <lchen@...arella.com>
> > Change-Id: I4869a3497366ac7779e792835f8e0309239036a8
> > ---
>
> > diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
> > index fff513bd522d..e3e270aa32a4 100644
> > --- a/drivers/soc/Makefile
> > +++ b/drivers/soc/Makefile
> > @@ -8,6 +8,7 @@ obj-y                           += apple/
> >   obj-y                          += aspeed/
> >   obj-$(CONFIG_ARCH_AT91)                += atmel/
> >   obj-y                          += bcm/
> > +obj-$(CONFIG_ARCH_AMBARELLA)   += ambarella/
> >   obj-$(CONFIG_SOC_CANAAN)       += canaan/
>
> If you could follow the existing (by directory) alphabetical
> order that'd be great.

Well noted. I will fix it in v2.

> >   obj-$(CONFIG_ARCH_DOVE)                += dove/
> >   obj-$(CONFIG_MACH_DOVE)                += dove/
> > diff --git a/drivers/soc/ambarella/Makefile b/drivers/soc/ambarella/Makefile
> > new file mode 100644
> > index 000000000000..384276c046ca
> > --- /dev/null
> > +++ b/drivers/soc/ambarella/Makefile
> > @@ -0,0 +1,3 @@
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +
> > +obj-$(CONFIG_ARCH_AMBARELLA) += soc.o
>
> The subdirectory is already gated by this symbol, so is there much point
> gating it on the same one again?

Yeah, it lookgs kind of redundant now, but I will upstream other drivers after
this series get merged, which are not gated by this symbol.

Regards,
Li