Re: [PATCH v2 3/6] arm64: dts: ti: k3-pinctrl: Add WKUP_EN flag

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On 30/07/2024 14:32, Markus Schneider-Pargmann wrote:
> Hi Nishanth,
> 
> On Tue, Jul 30, 2024 at 07:09:58AM GMT, Nishanth Menon wrote:
>> On 10:00-20240729, Markus Schneider-Pargmann wrote:
>>> WKUP_EN is a flag to enable pin wakeup. Any activity will wakeup the SoC
>>> in that case.
>>>
>>> Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
>>> ---
>>>  arch/arm64/boot/dts/ti/k3-pinctrl.h | 3 +++
>>>  1 file changed, 3 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/ti/k3-pinctrl.h b/arch/arm64/boot/dts/ti/k3-pinctrl.h
>>> index 22b8d73cfd32..dd4d53e8420a 100644
>>> --- a/arch/arm64/boot/dts/ti/k3-pinctrl.h
>>> +++ b/arch/arm64/boot/dts/ti/k3-pinctrl.h
>>> @@ -12,6 +12,7 @@
>>>  #define PULLTYPESEL_SHIFT	(17)
>>>  #define RXACTIVE_SHIFT		(18)
>>>  #define DEBOUNCE_SHIFT		(11)
>>> +#define WKUP_EN_SHIFT		(29)
>>>  
>>>  #define PULL_DISABLE		(1 << PULLUDEN_SHIFT)
>>>  #define PULL_ENABLE		(0 << PULLUDEN_SHIFT)
>>> @@ -38,6 +39,8 @@
>>>  #define PIN_DEBOUNCE_CONF5	(5 << DEBOUNCE_SHIFT)
>>>  #define PIN_DEBOUNCE_CONF6	(6 << DEBOUNCE_SHIFT)
>>>  
>>> +#define WKUP_EN			(1 << WKUP_EN_SHIFT)
>>> +
>>
>> Are we using this?
> 
> Yes, this needs to be used in pinctrl for the relevant pins. The users
> are not part of this series, as it will probably be in devicetree
> overlays or maybe future board files.

You cannot add some code without users claiming that "someone, someday
might need it". It's just dead code.

Best regards,
Krzysztof





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