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SubjectRe: [PATCH v1] i2c: i2c-core-base: Modify the maximum idr id for i2c adapter

> The Phytium i2c driver would register the i2c adapter with idr id 0 by
> calling function i2c_add_numbered_adapter(adap). Then, function
> idr_alloc(&i2c_adapter_idr, adap, adap->nr, adap->nr + 1, GFP_KERNEL);
> allocate the idr failed because idr id adap->nr(It equal to _UID) has been
> allocated by MWV207 GPU, and print the following error:
>
> couldn't get idr
> i2c-phytium-platform PHYT0038:00: fail to add adapter: -16

i2c-phytium-platform is not an upstream driver, right? Why does it not
simply use i2c_add_adapter() instead of i2c_add_numbered_adapter()?

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