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In-Reply-To: <20210830182445.167527-3-marijn.suijten@somainline.org>
References: <20210830182445.167527-1-marijn.suijten@somainline.org> <20210830182445.167527-3-marijn.suijten@somainline.org>
Subject: Re: [PATCH v2 2/2] clk: qcom: gcc-sdm660: Remove transient global "xo" clock
From:   Stephen Boyd <sboyd@kernel.org>
Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@somainline.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Martin Botka <martin.botka@somainline.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        Pavel Dubrova <pashadubrova@gmail.com>,
        Marijn Suijten <marijn.suijten@somainline.org>,
        Andy Gross <agross@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Abhinav Kumar <abhinavk@codeaurora.org>,
        Jonathan Marek <jonathan@marek.ca>,
        Matthias Kaehlcke <mka@chromium.org>,
        Douglas Anderson <dianders@chromium.org>,
        linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org
To:     Bjorn Andersson <bjorn.andersson@linaro.org>,
        Marijn Suijten <marijn.suijten@somainline.org>,
        linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org
Date:   Tue, 31 Aug 2021 22:35:56 -0700
Message-ID: <163047455623.42057.15513441659841056105@swboyd.mtv.corp.google.com>
User-Agent: alot/0.9.1
Precedence: bulk

Quoting Marijn Suijten (2021-08-30 11:24:45)
> The DSI PHY/PLL was relying on a global "xo" clock to be found, but the
> real clock is named "xo_board" in the DT.  The standard nowadays is to
> never use global clock names anymore but require the firmware (DT) to
> provide every clock binding explicitly with .fw_name.  The DSI PLLs have
> since been converted to this mechanism (specifically 14nm for SDM660)
> and this transient clock can now be removed.
>=20
> This issue was originally discovered in:
> https://lore.kernel.org/linux-arm-msm/386db1a6-a1cd-3c7d-a88e-dc83f8a1be9=
6@somainline.org/
> and prevented the removal of "xo" at that time.
>=20
> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
> ---

Presumably this wants to go with the first one.

Acked-by: Stephen Boyd <sboyd@kernel.org>