Re: [PATCH 17/21] power: reset: at91-poweroff: lookup for proper pmc dt node for sam9x7

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On 05/06/2023 15:04, Nicolas Ferre wrote:
> On 05/06/2023 at 08:43, Krzysztof Kozlowski wrote:
>> On 03/06/2023 22:02, Varshini Rajendran wrote:
>>> Use sam9x7 pmc's compatible to lookup for in the SHDWC driver
>>>
>>> Signed-off-by: Varshini Rajendran <varshini.rajendran@xxxxxxxxxxxxx>
>>> ---
>>>   drivers/power/reset/at91-sama5d2_shdwc.c | 1 +
>>>   1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
>>> index d8ecffe72f16..d0f29b99f25e 100644
>>> --- a/drivers/power/reset/at91-sama5d2_shdwc.c
>>> +++ b/drivers/power/reset/at91-sama5d2_shdwc.c
>>> @@ -326,6 +326,7 @@ static const struct of_device_id at91_pmc_ids[] = {
>>>        { .compatible = "atmel,sama5d2-pmc" },
>>>        { .compatible = "microchip,sam9x60-pmc" },
>>>        { .compatible = "microchip,sama7g5-pmc" },
>>> +     { .compatible = "microchip,sam9x7-pmc" },
>>
>> Why do you need new entry if these are compatible?
> 
> Yes, PMC is very specific to a SoC silicon. As we must look for it in 
> the shutdown controller, I think we need a new entry here.

??? How does it answer to my question at all? What is exactly specific
which warrants new entry?


Best regards,
Krzysztof




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