linux-kernel - Re: [PATCH v3 2/2] rockchip: rk3399: Add support for FriendlyARM NanoPi R4S

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Date:   Wed, 17 Mar 2021 00:38:43 +0800
From:   Tianling Shen <cnsztl@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Uwe Kleine-König <uwe@...ine-koenig.org>,
        Johan Jonker <jbx6244@...il.com>,
        David Bauer <mail@...id-bauer.net>,
        Jensen Huang <jensenhuang@...endlyarm.com>,
        Marty Jones <mj8263788@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>
Subject: Re: [PATCH v3 2/2] rockchip: rk3399: Add support for FriendlyARM
 NanoPi R4S

On 2021-03-16 11:35, Geert Uytterhoeven <geert@...ux-m68k.org> wrote：
>
> Hi Tianling,
>
> CC Jacek, Pavel
>
> On Tue, Mar 16, 2021 at 4:00 PM Tianling Shen <cnsztl@...il.com> wrote:
> > On 2021-03-16 02:23 Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > > Personally, I'm not so fond of the <foo>-%u node names, and prefer
> > > <foo>-<function>.  With the former, it's way too easy to have a silent
> > > override in your .dts(i) stack.
> > > Cfr. commit 45f5d5a9e34d3fe4 ("arm64: dts: renesas: r8a77995: draak:
> > > Fix backlight regulator name")
> >
> > How about using `lan-led`, `sys-led` and `wan-led` here?
>
> Documentation/devicetree/bindings/leds/leds-gpio.yaml says "led-%u"
> is the preferred form, but that anything containing "led" as a substring
> is accepted.  So I'd go for "led-lan" etc.
>
> BTW, you can validate your DTB against the leds-gpio DT bindings
> by running:
>
>     make dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/leds/leds-gpio.yaml
>

Thank you so much!
I renamed them to `led-lan` etc., and the result of dtbs_check seems fine.

> Background info for CCed parties:
> https://lore.kernel.org/linux-arm-kernel/20210316150033.15987-1-cnsztl@gmail.com/
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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

Tianling.