Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20180808090944.861-1-simon.k.r.goldschmidt@gmail.com>
 <f27a5e90-9783-761e-a87b-9b8a2d46d2a4@denx.de> <CAAh8qsyHxMjwBtBa5pYejkOxwFRbbFbt+myC4ynQQonK8MAo-w@mail.gmail.com>
 <ba66504e-c002-7dc6-daed-633fee896131@denx.de>
In-Reply-To: <ba66504e-c002-7dc6-daed-633fee896131@denx.de>
From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 5 Sep 2018 09:54:18 +0200
Message-ID: <CAMuHMdUMaggMHmPWRh081UD8AFgq58Rfsdz22xpt9fHUTyx92g@mail.gmail.com>
Subject: Re: [PATCH] ARM: dts: socfpga: use stdout-path for chosen node
To:     Marek Vasut <marex@denx.de>
Cc:     simon.k.r.goldschmidt@gmail.com, Dinh Nguyen <dinguyen@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, Aug 8, 2018 at 2:11 PM Marek Vasut <marex@denx.de> wrote:
> On 08/08/2018 02:02 PM, Simon Goldschmidt wrote:
> > On Wed, Aug 8, 2018 at 1:32 PM Marek Vasut <marex@denx.de> wrote:
> >> On 08/08/2018 11:09 AM, Simon Goldschmidt wrote:
> >>> Use stdout-path dts property for kernel console.
> >>>
> >>> There were two socfpga boards left not using stdout-path:
> >>> socrates and vining. Make sure they match the other boards.
> >>>
> >>> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
> >>> ---
> >>>  arch/arm/boot/dts/socfpga_cyclone5_socrates.dts    | 3 ++-
> >>>  arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts | 3 ++-
> >>>  2 files changed, 4 insertions(+), 2 deletions(-)
> >>>
> >>> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
> >>> index 53bf99eef66d..6f5255a7d192 100644
> >>> --- a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
> >>> +++ b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
> >>> @@ -22,7 +22,8 @@
> >>>       compatible = "ebv,socrates", "altr,socfpga-cyclone5", "altr,socfpga";
> >>>
> >>>       chosen {
> >>> -             bootargs = "console=ttyS0,115200";
> >>> +             bootargs = "earlyprintk";
> >>> +             stdout-path = "serial0:115200n8";
> >>>       };
> >>>
> >>>       memory@0 {
> >>> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
> >>> index f50b19447de6..e61efe16e79c 100644
> >>> --- a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
> >>> +++ b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
> >>> @@ -54,7 +54,8 @@
> >>>       compatible = "samtec,vining", "altr,socfpga-cyclone5", "altr,socfpga";
> >>>
> >>>       chosen {
> >>> -             bootargs = "console=ttyS0,115200";
> >>> +             bootargs = "earlyprintk";
> >>
> >> Why this earlyprintk ?
> >
> > The reason is Dinh added that to all socfpga boards in his commit [1]
> > and I wanted the remaining two boards to be the same.
>
> Isn't earlyprintk mostly a debugging aid ?

Indeed.

And the modern way is "earlycon", not "earlyprintk".

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