linux-kernel - Re: [PATCH] clk: mediatek: mt7981-topckgen: flag SGM_REG

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Message-ID: <f91b8141d7edab4d6cbd3cb464ccf3d7.sboyd@kernel.org>
Date: Wed, 21 Feb 2024 20:55:55 -0800
From: Stephen Boyd <sboyd@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Chen-Yu Tsai <wenst@...omium.org>, Daniel Golle <daniel@...rotopia.org>, Jianhui Zhao <zhaojh329@...il.com>, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Matthias Brugger <matthias.bgg@...il.com>, Michael Turquette <mturquette@...libre.com>, Rob Herring <robh@...nel.org>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Cc: John Crispin <john@...ozen.org>, Steven Liu <steven.liu@...iatek.com>
Subject: Re: [PATCH] clk: mediatek: mt7981-topckgen: flag SGM_REG_SEL as critical

Quoting Daniel Golle (2024-02-17 19:11:15)
> Without the SGM_REG_SEL clock enabled the cpu freezes if trying to
> access registers used by MT7981 clock drivers itself.
> Mark SGM_REG_SEL as critical to make sure it is always enabled to
> prevent freezes on boot even if the Ethernet driver which prepares
> and enables the clock is not loaded or probed at a later point.
> 
> Fixes: 813c3b53b55b ("clk: mediatek: add MT7981 clock support")
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> ---

Applied to clk-next