linux-kernel - Re: [PATCHv2 03/11] mxc: Fix Drive Strength Field in the IOMUX controller

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Date:	Wed, 3 Feb 2010 16:25:18 -0800
From:	Amit Kucheria <amit.kucheria@...onical.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	List Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org, linux@....linux.org.uk,
	s.hauer@...gutronix.de, valentin.longchamp@...l.ch,
	daniel@...aq.de, Dinh.Nguyen@...escale.com,
	r.herring@...escale.com, bryan.wu@...onical.com
Subject: Re: [PATCHv2 03/11] mxc: Fix Drive Strength Field in the IOMUX
 controller

On 10 Feb 03, Grant Likely wrote:
> On Tue, Feb 2, 2010 at 10:16 PM, Amit Kucheria
> <amit.kucheria@...onical.com> wrote:
> > i.MX51 defines 4 values:
> >
> > 00: Low Drive Strength
> > 01: Medium Drive Strength
> > 10: High Drive Strength
> > 11: Max Drive Strength
> >
> > Signed-off-by: Amit Kucheria <amit.kucheria@...onical.com>
> > ---
> >  arch/arm/plat-mxc/include/mach/iomux-v3.h |    8 +++++---
> >  1 files changed, 5 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h
> > index 1deda01..f2f73d3 100644
> > --- a/arch/arm/plat-mxc/include/mach/iomux-v3.h
> > +++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h
> > @@ -81,11 +81,13 @@ struct pad_desc {
> >
> >  #define PAD_CTL_ODE                    (1 << 3)
> >
> > -#define PAD_CTL_DSE_STANDARD           (0 << 1)
> > -#define PAD_CTL_DSE_HIGH               (1 << 1)
> > -#define PAD_CTL_DSE_MAX                        (2 << 1)
> > +#define PAD_CTL_DSE_LOW                        (0 << 1)
> > +#define PAD_CTL_DSE_MED                        (1 << 1)
> > +#define PAD_CTL_DSE_HIGH               (2 << 1)
> > +#define PAD_CTL_DSE_MAX                        (3 << 1)
> >
> >  #define PAD_CTL_SRE_FAST               (1 << 0)
> > +#define PAD_CTL_SRE_SLOW               (0 << 0)
> 
> Shouldn't the addition/change of #defines be done in patches that
> actually use them?

I'll merge it into patch 5 that adds the core support for i.MX5. I kept it
separate because the #defines are a (standalone) property of the IOMUX
controller regardless of whether they are used by i.MX5 or not.

Thanks for all the reviews.

/Amit

-- 
-------------------------------------------------------------------------
Amit Kucheria,				 Kernel Developer, Verdurent
-------------------------------------------------------------------------
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