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SubjectRe: [PATCH v3 2/6] ALSA: hda/tegra: Reset hardware
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25.01.2021 18:18, Takashi Iwai пишет:
> On Wed, 20 Jan 2021 01:31:50 +0100,
> Dmitry Osipenko wrote:
>>
>> Reset hardware on RPM-resume in order to bring it into a predictable
>> state.
>>
>> Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30 audio works
>> Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30 boot-tested
>> Tested-by: Nicolas Chauvet <kwizart@gmail.com> # TK1 boot-tested
>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>
> Currently we have neither dependency nor reverse-selection of
> CONFIG_RESET_CONTROLLER. It wouldn't be a problem for builds, but
> you'll get a runtime error from
> devm_reset_control_array_get_exclusive() always when
> CONFIG_RESET_CONTROLLER=n.
>
> I guess it must be a corner case, but just to be sure.

The CONFIG_RESET_CONTROLLER=y at least for ARM32 Tegra builds.

https://elixir.bootlin.com/linux/v5.11-rc5/source/arch/arm/mach-tegra/Kconfig#L15

Not sure about ARM64.

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