From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Horman <horms@verge.net.au>
Date: Thu, 14 Feb 2013 08:36:19 +0000
Subject: Re: [PATCH 2/3] ARM: mach-shmobile: armadillo800eva: enable REGULATOR in defconfig
Message-Id: <20130214083619.GC21198@verge.net.au>
List-Id: <linux-sh.vger.kernel.org>
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On Thu, Feb 14, 2013 at 08:49:34AM +0100, Guennadi Liakhovetski wrote:
> Hi Simon
> 
> On Thu, 14 Feb 2013, Simon Horman wrote:
> 
> > On Wed, Feb 13, 2013 at 10:11:42PM +0900, Simon Horman wrote:
> > > As well as being a generally sane thing to do this
> > > is required for MMCIF to function in conjunction with
> > > "ARM: shmobile: switch SDHI0 to GPIO regulator on armadillo800eva".
> > > 
> > > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
> > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
> > > 
> > > ---
> > > 
> > > v2
> > > * Don't enable REGULATOR_DUMMY, it is only intended for development / testing.
> > > ---
> > >  arch/arm/configs/armadillo800eva_defconfig |    1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig
> > > index 0b98100..0cc8014 100644
> > > --- a/arch/arm/configs/armadillo800eva_defconfig
> > > +++ b/arch/arm/configs/armadillo800eva_defconfig
> > > @@ -88,6 +88,7 @@ CONFIG_I2C=y
> > >  CONFIG_I2C_GPIO=y
> > >  CONFIG_I2C_SH_MOBILE=y
> > >  # CONFIG_HWMON is not set
> > > +CONFIG_REGULATOR=y
> > >  CONFIG_MEDIA_SUPPORT=y
> > >  CONFIG_VIDEO_DEV=y
> > >  CONFIG_MEDIA_CAMERA_SUPPORT=y
> > 
> > This patch seems to break NIC initialisation.
> > 
> > smsc911x: Driver version 2008-10-21
> > smsc911x smsc911x.0: Failed to get supply 'vdd33a': -517
> > smsc911x smsc911x.0 (unregistered net_device): couldn't get regulators -517
> > platform smsc911x.0: Driver smsc911x requests probe deferral

Sorry, I replied to the wrong patch.
It was on KZM9G that I observed this.
It seems to need REGULATOR_DUMMY.