Re: [RFC 2/5] i3c: Add core I3C infrastructure

From: Geert Uytterhoeven
Date: Wed Aug 16 2017 - 17:04:04 EST


On Tue, Aug 1, 2017 at 5:01 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
>> I'm perfectly fine with the I3C / I2C framework separation. The only
>> minor problem I had with that was the inaccuracy of the
>> sysfs/device-model representation: we don't have one i2c and one i3c
>> bus, we just have one i3c bus with a mix of i2c and i3c devices.
>
> I understand that. What if I2C had the same seperation between the "bus"
> and the "master"?

There can be multiple masters on an i2c bus. But not on an i3c bus, due
to SCL being push/pull.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds