linux-kernel - Re: [PATCH v2] clk: mediatek: fix dependency of MT7986 ADC clocks

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Message-ID: <Y1sTM/E1VY+XdHk5@makrotopia.org>
Date:   Fri, 28 Oct 2022 00:24:35 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Sam Shih <sam.shih@...iatek.com>,
        Miles Chen <miles.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Chen-Yu Tsai <wenst@...omium.org>
Subject: Re: [PATCH v2] clk: mediatek: fix dependency of MT7986 ADC clocks

On Thu, Oct 27, 2022 at 02:41:49PM -0700, Stephen Boyd wrote:
> Quoting Daniel Golle (2022-10-26 09:18:07)
> > It seems like CLK_INFRA_ADC_FRC_CK always need to be enabled for
> > CLK_INFRA_ADC_26M_CK to work. Instead of adding this dependency to the
> > mtk-thermal and mt6577_auxadc drivers, add dependency to the clock
> > driver clk-mt7986-infracfg.c.
> 
> Is this a cleanup patch? Or a pre-requisite for thermal and auxadc
> drivers? I don't understand the priority of this patch. Should I apply
> it to fix a regression?

I'd say 'no', as AUXADC and thermal has not yet been added to
mt7986a.dtsi, also the corresponding clocks are currently still unused.
So while this commit does fix a previous commit, it doesn't have a direct
impact and will only matter once thermal and auxadc units are added to
mt7986.dtsi.