linux-kernel - Re: [PATCH] i2c: Single-wire Serial Bus Interface for Qualcomm MSM chipsets

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Date:	Tue, 10 Aug 2010 23:41:11 +0200
From:	Pavel Machek <pavel@....cz>
To:	Kenneth Heitke <kheitke@...eaurora.org>
Cc:	khali@...ux-fr.org, ben-linux@...ff.org,
	linux-arm-msm@...r.kernel.org, sdharia@...eaurora.org,
	Crane Cai <crane.cai@....com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	srinidhi kasagar <srinidhi.kasagar@...ricsson.com>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: Single-wire Serial Bus Interface for Qualcomm MSM
 chipsets

Hi!

> >>This bus driver supports the Single-wire Serial Bus Interface (SSBI)
> >>controller in the Qualcomm MSM SOCs.  SSBI is not an I2C but is
> >>functionally related enough such that it is able to leaverage the I2C
> >>framework.
> >>
> >>Unlike I2C, SSBI is a point-to-point connection, and therefore there is no
> >>need to specify a slave device address. The SSBI implementation
> >>overrides the slave device address to be a device register address
> >
> >Then perhaps it should not go to drivers/i2c?
> 
> I'd like to make use of the i2c framework rather than implement
> something else.  Are you suggesting that the driver reside elsewhere
> (i.e. mach-msm) or that the driver not use the i2c framework?

I believe it should go elsewere at the very least. drivers/ssbi ?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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