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SubjectHow to remove DT support from a driver? (was Re: [PATCH v5 8/8] i2c: i2c-mlxbf.c: Update binding devicetree)
Hi,

> I have a question for you and Wolfram, we don’t use device trees and
> are not planning to use device trees; we only use ACPI tables. But I
> think when Khalil submitted the first version of the i2c-mlxbf.c
> driver, it was requested from him to add devicetree support. Do you
> know why? Is it possible to remove the device tree support and so this
> doc? or is devicetree support a requirement regardless of the actual
> implementation?

The first version sent from Khalil to the public I2C mailing list already
had DT bindings [1]. I don't see a sign of someone of the public list
requesting DT bindings. Maybe it was company internal?

Technically, there is no requirement to support DT, especially since you
have working ACPI. I don't know the process, though, of removing DT
support. You would basically need to be sure that no user made use of
the DT bindings introduced before. I don't know to what degree you can
assume that.

Maybe the DT list has more to add here?

Happy hacking,

Wolfram

[1] http://patchwork.ozlabs.org/project/linux-i2c/list/?series=73827&state=*

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