linux-kernel - Re: [PATCH] clk: mediatek: mt8186: Change I2C 4/5/6 ap clocks parent to infra

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Message-ID: <283d18028590d57025e5654d18b8b5b7.sboyd@kernel.org>
Date:   Mon, 23 Oct 2023 19:52:51 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Chen-Yu Tsai <wenst@...omium.org>
Cc:     mturquette@...libre.com, matthias.bgg@...il.com,
        u.kleine-koenig@...gutronix.de, chun-jie.chen@...iatek.com,
        miles.chen@...iatek.com, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] clk: mediatek: mt8186: Change I2C 4/5/6 ap clocks parent to infra

Quoting Chen-Yu Tsai (2023-10-19 22:06:35)
> On Thu, Oct 19, 2023 at 8:49 PM AngeloGioacchino Del Regno
> <angelogioacchino.delregno@...labora.com> wrote:
> >
> > Fix the parenting of clocks imp_iic_wrap_ap_clock_i2c{4-6}, as those
> > are effectively parented to infra_ao_i2c{4-6} and not to the I2C_AP.
> > This permits the correct (and full) enablement and disablement of the
> > I2C4, I2C5 and I2C6 bus clocks, satisfying the whole clock tree of
> > those.
> >
> > As an example, when requesting to enable imp_iic_wrap_ap_clock_i2c4:
> >
> > Before: infra_ao_i2c_ap -> imp_iic_wrap_ap_clock_i2c4
> > After:  infra_ao_i2c_ap -> infra_ao_i2c4 -> imp_iic_wrap_ap_clock_i2c4
> >
> > Fixes: 66cd0b4b0ce5 ("clk: mediatek: Add MT8186 imp i2c wrapper clock support")
> > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> 
> I'm curious about what led to discovering this error?
> 

Is that an acked-by?