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Date:   Tue, 5 Oct 2021 19:19:57 +0300
From:   Andy Shevchenko <>
To:     Paweł Anikiel <>
Subject: Re: [PATCH v2 1/4] i2c: check bus number property in DesignWare I2C

On Tue, Oct 05, 2021 at 04:37:45PM +0200, Paweł Anikiel wrote:
> On SoCFPGA systems, it's desireable to have fixed numbering for
> i2c busses, while being able to enable/disable them (e.g. have i2c1
> be mapped to /dev/i2c-1, even though i2c0 is disabled). This can also
> be achieved using devicetree aliases (see i2c_add_adapter). However,
> having the driver be self-contained without relying on aliases is more
> robust.

Why? This number means nothing, user space has another means to have
this being robust. Sorry, but I don't see any even close to good enough
justification, NAK.

With Best Regards,
Andy Shevchenko

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