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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: "Eric Bénard" <eric@eukrea.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/7] mfd: add mc34708 driver
Date: Tue, 21 Feb 2012 14:03:18 +0100	[thread overview]
Message-ID: <20120221130318.GJ9343@game.jcrosoft.org> (raw)
In-Reply-To: <20120221080346.1501ec1f@eb-e6520>

On 08:03 Tue 21 Feb     , Eric Bénard wrote:
> Le Tue, 21 Feb 2012 04:48:35 +0100,
> Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> a écrit :
> 
> > > +static struct mc34708 *mc_dev;
> > > +
> > > +struct mc34708 *mc34708_get(void)
> > > +{
> > > +	if (!mc_dev)
> > > +		return NULL;
> > > +
> > > +	return mc_dev;
> > > +}
> > > +EXPORT_SYMBOL(mc34708_get);
> > no please do not export the current as it will not alloe multiple chip on
> > board
> you can't have more than one of this chip on the board connected to
> the same CPU.
except if you have 2 soc on the same board

here you use it to detect the presence of the device where we can detect it by
the presence of the dev file

Best Regards,
J.

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  reply	other threads:[~2012-02-21 13:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-21  0:27 [PATCH 1/7] add i2c clock support Eric Bénard
2012-02-21  0:27 ` [PATCH 2/7] mfd: add mc34708 driver Eric Bénard
2012-02-21  3:48   ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-21  7:03     ` Eric Bénard
2012-02-21 13:03       ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-02-21 13:22         ` Eric Bénard
2012-02-21 14:10           ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-21 15:35             ` Eric Bénard
2012-02-21 15:38               ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-21 20:45                 ` Sascha Hauer
2012-02-21 21:09                   ` Marc Reilly
2012-02-21  0:27 ` [PATCH 3/7] i.MX53: add silicn revision functions Eric Bénard
2012-02-22  7:33   ` Sascha Hauer
2012-02-27  8:20     ` [PATCH v2 1/7] add i2c clock support Eric Bénard
2012-02-27  8:20       ` [PATCH v2 2/7] mfd: add mc34708 driver Eric Bénard
2012-02-27  8:20       ` [PATCH v2 3/7] i.MX53: add silicon revision functions Eric Bénard
2012-02-27  8:20       ` [PATCH v2 4/7] i.MX53: enable pull up on I2C0 pins Eric Bénard
2012-02-27  8:20       ` [PATCH v2 5/7] mx53-loco: add i2c support Eric Bénard
2012-02-27  8:20       ` [PATCH v2 6/7] mx53-loco: add board revision support Eric Bénard
2012-02-27 15:40         ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-27 18:58           ` Sascha Hauer
2012-02-27  8:20       ` [PATCH v2 7/7] mx53-loco: update defconfig Eric Bénard
2012-02-27 18:59       ` [PATCH v2 1/7] add i2c clock support Sascha Hauer
2012-02-21  0:27 ` [PATCH 4/7] i.MX53: enable pull up on I2C0 pins Eric Bénard
2012-02-21  0:27 ` [PATCH 5/7] mx53-loco: add i2c support Eric Bénard
2012-02-21  0:27 ` [PATCH 6/7] mx53-loco: add board revision support Eric Bénard
2012-02-21  3:50   ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-21  0:27 ` [PATCH 7/7] mx53-loco: update defconfig Eric Bénard

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