linux-kernel - Re: [PATCH -mm 4/4] Blackfin: on-chip Two Wire Interface I2C driver

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Message-ID: <8bd0f97a0703212239n3edb9a44waa0994e3cffe48d8@mail.gmail.com>
Date:	Thu, 22 Mar 2007 01:39:28 -0400
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Jean Delvare" <khali@...ux-fr.org>
Cc:	"Bryan Wu" <bryan.wu@...log.com>,
	"David Brownell" <david-b@...bell.net>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Alexey Dobriyan" <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 4/4] Blackfin: on-chip Two Wire Interface I2C driver

On 3/21/07, Jean Delvare <khali@...ux-fr.org> wrote:
> > +     p_adap->class = I2C_CLASS_ALL;
>
> This pretty much voids the point of these probing classes. You should
> only select the classes matching devices which may actually be probed
> for on this bus. If different boards have different needs, get the
> right classes from the platform data.

i asked about the class issue previously specifically for this bus
driver and was told that they werent really fully defined ... the
on-chip I2C interface on the Blackfin chip can handle any I2C device
which is why i added this line

any examples of how to go about doing it via boards ?  i dont see any
other I2C bus driver doing it that way ...
-mike
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