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SubjectRe: [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk
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10.12.2019 21:59, Mark Brown пишет:
> On Tue, Dec 10, 2019 at 09:24:43PM +0300, Dmitry Osipenko wrote:
>
>> In some cases it could be painful to maintain device-tree compatibility
>> for platforms like NVIDIA Tegra SoCs because hardware wasn't modeled
>> correctly from the start.
>
>> I agree that people should use relevant device-trees. It's quite a lot
>> of hassle to care about compatibility for platforms that are permanently
>> in a development state. It could be more reasonable to go through the
>> pain if kernel required a full-featured device tree for every SoC from
>> the start.
>
> We absolutely should support the newer kernel with older device tree
> case, what's less clear to me is the new device tree with old kernel
> which is applying LTS updates case. That does seem incredibly
> specialist - I'd honestly never heard of people doing that before this
> thread.
>

There was a precedent in the past [1].

[1] https://lkml.org/lkml/2018/8/20/497

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