From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Subject: Re: [RFC,v2 2/6] i2c: add I2C Address Translator (ATR) support
Date: Tue, 10 Sep 2019 18:16:30 +0100
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> Here i2c-0 is the "local" bus, i2c-4 and i2c-5 are the remote busses on
> ports 0 and 1. As you can see the eeproms are accessed using a name like
> "4-0050", meaning physical slave address 0x50 on bus 4. No alias is neede=
d.
>=20
> Should you want to know the alias, perhaps for debugging (it's the
> address you'll see on your logic analyzer), they are shown in the kernel
> log.

And to add to that: The aliases on i2c-0 will be marked busy and show up
as used if you run i2cdetect. So, you'd need a force-flag if you'd want
to access them from userspace.


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