Re: [PATCH v2] pinctrl: dra: dt-bindings: Fix output pull up/down

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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@xxxxxx>
> ---
>  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@xxxxxx>

-- 
Regards,
Nishanth Menon
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