Re: [PATCH v9 6/7] i2c: xiic: use numbered adapter registration

[Abdurrahman Hussain]

> On Feb 3, 2026, at 7:45 AM, Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> wrote:
> 
> On Mon, Feb 02, 2026 at 08:37:23PM +0000, Abdurrahman Hussain via B4 Relay wrote:
> 
>> Use i2c_add_numbered_adapter() to allow platform devices to specify
>> fixed bus numbers when needed.
> 
> Not sure about this. Doesn't it break the current approach? Please, double
> check that.
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
> 

If pdev->id is PLATFORM_DEVID_NONE(-1) then i2c_add_numbered_adapter()
falls back to dynamic allocation and calls i2c_add_adapter().

Many existing i2c drivers use the same approach, see i2c-pxa.c and
i2c-pnx.c etc.