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Message-ID: <160d8ea5-81bd-ece6-a4a6-b93a62b4d749@baylibre.com>
Date: Fri, 26 May 2023 11:46:49 +0200
From: Alexandre Mergnat <amergnat@...libre.com>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Chen-Yu Tsai <wenst@...omium.org>
Cc: Markus Schneider-Pargmann <msp@...libre.com>,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] dt-bindings: clock: mediatek: replace unusable
clock
On 26/05/2023 10:30, AngeloGioacchino Del Regno wrote:
> Il 25/05/23 16:50, Alexandre Mergnat ha scritto:
>> The “mcu_pm_bclk_ck_cg” clock is used by co-processors and should not be
>> added to the kernel driver, otherwise the CPU just halt and the board is
>> rebooted by the wathdog.
>>
>> Instead, add the "aes_top0_bclk_ck_cg" missing clock to prevent
>> re-shuffling index and then preserve the ABI.
>
> It's still a breakage. Besides, have you tried to add it as
> CLK_IS_CRITICAL? :-)
As I said to Conor, I can fix the driver index issue (patch 2/2) without
fixing the binding (using CLK_IGNORE_UNUSED but CLK_IS_CRITICAL works too).
--
Regards,
Alexandre
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