linux-kernel - Re: [PATCH v2 2/4] mfd: bcm590xx: add support for secondary I2C slave address

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Message-ID: <20140428140910.GB7719@beef>
Date:	Mon, 28 Apr 2014 10:09:10 -0400
From:	Matt Porter <mporter@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Devicetree List <devicetree@...r.kernel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Tim Kryger <tim.kryger@...aro.org>,
	Markus Mayer <markus.mayer@...aro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/4] mfd: bcm590xx: add support for secondary I2C
 slave address

On Mon, Apr 28, 2014 at 12:56:27PM +0100, Lee Jones wrote:
> On Wed, 23 Apr 2014, Matt Porter wrote:
> 
> > BCM590xx utilizes a secondary I2C slave address to access additional
> > register space. Add support for the secondary address space by
> > instantiating a dummy I2C device with the appropriate secondary
> > I2C slave address. Also expose a secondary regmap register space so
> > that MFD drivers can access this secondary i2c slave address space.
> > 
> > Signed-off-by: Matt Porter <mporter@...aro.org>
> > ---
> >  drivers/mfd/bcm590xx.c       | 60 +++++++++++++++++++++++++++++++++-----------
> >  include/linux/mfd/bcm590xx.h |  9 ++++---
> >  2 files changed, 52 insertions(+), 17 deletions(-)
> 
> Nice, flows much better now.
> 
> Can I just apply the two MFD patches, or are there cross-deps?

There's cross-deps so the regulator driver will need to go with it.
Mark mentioned earlier in the thread that he wanted to merge through
the regulator tree though.

-Matt
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