Re: [PATCH] ASoC: SOF: mediatek: add shutdown callback

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To: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>, Takashi Iwai <tiwai@xxxxxxxx>, Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>, Jaroslav Kysela <perex@xxxxxxxx>, Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>, Matthias Brugger <matthias.bgg@xxxxxxxxx>, Liam Girdwood <lgirdwood@xxxxxxxxx>, Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>, Daniel Baluta <daniel.baluta@xxxxxxx>, Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH] ASoC: SOF: mediatek: add shutdown callback
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Date: Wed, 30 Nov 2022 12:06:09 +0100
Cc: alsa-devel@xxxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, sound-open-firmware@xxxxxxxxxxxxxxxx
In-reply-to: <20221127-mtk-snd-v1-0-b7886faa612b@chromium.org>
References: <20221127-mtk-snd-v1-0-b7886faa612b@chromium.org>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0

Il 27/11/22 21:04, Ricardo Ribalda ha scritto:

If we do not shutdown the peripheral properly at shutdown, the whole system
crashes after kexec() on the first io access.

Let's implement the appropriate callback.

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>


Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

References:
- [PATCH] ASoC: SOF: mediatek: add shutdown callback
  - From: Ricardo Ribalda

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