linux-kernel - Re: [PATCH v11 0/5] arm64: dts: qcom: sc7180: Add five new trogdor-based boards

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Message-ID: <CAD=FV=UbrdqXYaabK0YEyjX0zszxMkU72-4fc10zyPTs_oKG_w@mail.gmail.com>
Date:   Fri, 24 Jun 2022 14:01:52 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     "Joseph S. Barrera III" <joebar@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Alexandru M Stan <amstan@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v11 0/5] arm64: dts: qcom: sc7180: Add five new
 trogdor-based boards

Hi,

On Fri, Jun 24, 2022 at 11:57 AM Joseph S. Barrera III
<joebar@...omium.org> wrote:
>
> This series adds five new trogdor-based boards to upstream.
> The patches should be applied *after* applying
> https://lore.kernel.org/all/20220602190621.1646679-1-swboyd@chromium.org/
> (arm64: dts: qcom: Remove duplicate sc7180-trogdor include on lazor/homestar)
>
> The patches do *not* expect
> https://lore.kernel.org/all/20220518172525.3319993-1-swboyd@chromium.org/
> (sc7180-trogdor: Split out keyboard node and describe detachables)
> to be applied.
>
> The compatibles in this series are documented by Doug's series
> https://lore.kernel.org/r/20220520143502.v4.5.Ie8713bc0377672ed8dd71189e66fc0b77226fb85@changeid
>
> Changes in v11:
> - Add 'include sc7180-trogdor.dtsi' to sc7180-trogdor-pazquel-* files.
> - Add 'include sc7180-trogdor.dtsi' to sc7180-trogdor-kingoftown-* files.
> - Restore 'include sc7180.dtsi' to sc7180-trogdor-ti-sn65dsi86.dtsi.

I'm a bit baffled. Why did you add an include of "sc7180.dtsi" to
sc7180-trogdor-ti-sn65dsi86.dtsi? Am I missing something? The way you
have it will cause "sc7180.dtsi" to be included twice. For instance,
let's look at "sc7180-trogdor-coachz-r3.dts". It has:

#include "sc7180-trogdor-coachz.dtsi"

That will in turn cause these includes:

#include "sc7180-trogdor.dtsi"
#include "sc7180-trogdor-ti-sn65dsi86.dtsi"

That will in turn do:

/* From sc7180-trogdor.dtsi */
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/sound/sc7180-lpass.h>

#include "sc7180.dtsi"
#include "pm6150.dtsi"
#include "pm6150l.dtsi"

/* From sc7180-trogdor-ti-sn65dsi86.dtsi */
#include "sc7180.dtsi"
#include <dt-bindings/gpio/gpio.h>

...and, as you can see, "sc7180.dtsi" will get included twice. That
will break things since it will undo some of the changes that
sc7180-trogdor.dtsi did. ...and, in fact, I just tried putting your
patches on an sc7180 device that uses the TI bridge chip and it,
unsurprisingly, doesn't boot.

If you just remove that one addition then I think we can finally be
done with this series. I tried that and my device boots.

-Doug