linux-kernel - Re: [PATCH 5/9] mfd: Add UART support for the ST-Ericsson CG2900.

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Message-Id: <201012061549.01534.arnd@arndb.de>
Date:	Mon, 6 Dec 2010 15:49:01 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Vitaly Wool <vitalywool@...il.com>
Cc:	"Par-Gunnar Hjalmdahl" <pghatwork@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linus.walleij@...ricsson.com, linux-bluetooth@...r.kernel.org,
	linux-kernel@...r.kernel.org, Marcel Holtmann <marcel@...tmann.org>
Subject: Re: [PATCH 5/9] mfd: Add UART support for the ST-Ericsson CG2900.

On Monday 06 December 2010, Vitaly Wool wrote:
> > As a quick answer to your question: that would depend on the
> > difference between the different controllers, I guess. But CG2900
> > doesn't support the LL protocol so it is not an issue for that.
> 
> Right, but if you are only aiming cg2000, why would you create a
> framework for that?  I initially thought your solution was generic
> enough to handle other "many-in-one" Bluetooth chips but I'm
> completely unsure about that now.

As far as I understand, the point is that it's no longer a 'solution'
at the core, i.e. there is no replacement for hci_ldisc or any
of these, just modules for the additional h4 protocols that don't
have a linux implementation yet.

The patch set that was originally posted here had a new framework,
but after the comments from Alan and me, Par-Gunnar agreed to use
the existing framework instead and extend it in a useful way.
Please read all of the discussion we already had. You made a good
point here, but I fear you had both Par-Gunnar and me confused
because it was a point that already got resolved.

	Arnd
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