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From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: Roger Quadros <rogerq@ti.com>,
	balbi@ti.com, linux-omap@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v2] pinctrl: dra: dt-bindings: Fix output pull up/down
Date: Mon, 10 Nov 2014 14:29:52 -0800	[thread overview]
Message-ID: <20141110222951.GY31454@atomide.com> (raw)
In-Reply-To: <545A5A05.6050500@ti.com>

* Nishanth Menon <nm@ti.com> [141105 09:12]:
> On 11/03/2014 04:09 AM, Roger Quadros wrote:
> > For PIN_OUTPUT_PULLUP and PIN_OUTPUT_PULLDOWN we must not set the
> > PULL_DIS bit which disables the PULLs.
> > 
> > PULL_ENA is a 0 and using it in an OR operation is a NOP, so don't
> > use it in the PIN_OUTPUT_PULLUP/DOWN macros.
> > 
> > Fixes: 23d9cec07c58 ("pinctrl: dra: dt-bindings: Fix pull enable/disable")
> > 
> > Signed-off-by: Roger Quadros <rogerq@ti.com>
> > ---
> >  include/dt-bindings/pinctrl/dra.h | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h
> > index 3d33794..7448edf 100644
> > --- a/include/dt-bindings/pinctrl/dra.h
> > +++ b/include/dt-bindings/pinctrl/dra.h
> > @@ -40,8 +40,8 @@
> >  
> >  /* Active pin states */
> >  #define PIN_OUTPUT		(0 | PULL_DIS)
> > -#define PIN_OUTPUT_PULLUP	(PIN_OUTPUT | PULL_ENA | PULL_UP)
> > -#define PIN_OUTPUT_PULLDOWN	(PIN_OUTPUT | PULL_ENA)
> > +#define PIN_OUTPUT_PULLUP	(PULL_UP)
> > +#define PIN_OUTPUT_PULLDOWN	(0)
> >  #define PIN_INPUT		(INPUT_EN | PULL_DIS)
> >  #define PIN_INPUT_SLEW		(INPUT_EN | SLEWCONTROL)
> >  #define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
> > 
> 
> 
> There might be additional updates needed to DRA7 pinctrl sequencing
> requirements based on latest documentation:
> 
> http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf#page=4004&zoom=auto,0,274.1
> 
> But, that has nothing to do with the bug that is currently being fixed
> in this patch,.
> 
> So, for the record:
> Acked-by: Nishanth Menon <nm@ti.com>

OK applying into omap-for-v3.18/fixes thanks.

Tony

      reply	other threads:[~2014-11-10 22:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-31 10:52 [PATCH] pinctrl: dra: dt-bindings: Fix output pull up/down Roger Quadros
2014-10-31 13:50 ` Nishanth Menon
2014-11-03  9:28   ` Roger Quadros
2014-11-03 10:09 ` [PATCH v2] " Roger Quadros
2014-11-03 14:30   ` Nishanth Menon
2014-11-03 14:44     ` Roger Quadros
2014-11-03 14:59       ` Nishanth Menon
2014-11-03 15:07         ` Roger Quadros
2014-11-03 17:56           ` Nishanth Menon
2014-11-05 17:10   ` Nishanth Menon
2014-11-10 22:29     ` Tony Lindgren [this message]

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