linux-kernel - Re: [PATCH 2/2] i2c-designware-pci: Index Haswell ULT bus names from 0

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Date:	Mon, 21 Oct 2013 07:20:33 -0700
From:	Benson Leung <bleung@...omium.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	wsa@...-dreams.de, khali@...ux-fr.org,
	andriy.shevchenko@...ux.intel.com, jacmet@...site.dk,
	linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Duncan Laurie <dlaurie@...omium.org>
Subject: Re: [PATCH 2/2] i2c-designware-pci: Index Haswell ULT bus names from 0

On Sun, Oct 20, 2013 at 11:58 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:
> Is there any real value in having names like "i2c-designware-pci-0"
> available? I would just drop the whole naming dance instead...

I'd like some way of distinguishing between the two busses by name. It
seems sensible to name them 0 and 1 since that's how they are referred
to on schematics.

In the chromeos_laptop driver, I do by-name matching of i2c busses to
find busses and instantiate devices, so there is value to have each
named something predictable.

-- 
Benson Leung
Software Engineer, Chrom* OS
bleung@...omium.org
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