[PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices

[Wolfram Sang]

> Right, I read the function which provides the functionality, but my
> point is; I don't think my patch changes the semantics in a way which
> would adversely affect this option.  If you think that it does, can you
> specify how please?

Currently, if a driver would be DT only and does not provide a seperate
i2c_device_id table, then the driver is unusable with method 4. I don't
like to have some drivers being capable of it and some not.

> Does the sysfs method create a i2c_device_id table?  If not, how does
> it probe successfully pre-patch?

The sysfs method creates a device. Its name is matched against
i2c_device_ids only since it does not have a node pointer for DT to be
matched against.

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