[EXTERNAL] Re: [PATCH v6 4/5] net: ti: icssg-prueth: add packet timestamping and ptp support

Md Danish Anwar a0501179 at ti.com
Wed Aug 23 23:56:12 PDT 2023


On 24/08/23 12:17 pm, Krzysztof Kozlowski wrote:
> On 23/08/2023 13:32, MD Danish Anwar wrote:
>> From: Roger Quadros <rogerq at ti.com>
>>
>> Add packet timestamping TS and PTP PHC clock support.
>>
>> For AM65x and AM64x:
>>  - IEP1 is not used
>>  - IEP0 is configured in shadow mode with 1ms cycle and shared between
>> Linux and FW. It provides time and TS in number cycles, so special
>> conversation in ns is required.
>>  - IEP0 shared between PRUeth ports.
>>  - IEP0 supports PPS, periodic output.
>>  - IEP0 settime() and enabling PPS required FW interraction.
>>  - RX TS provided with each packet in CPPI5 descriptor.
>>  - TX TS returned through separate ICSSG hw queues for each port. TX TS
>> readiness is signaled by INTC IRQ. Only one packet at time can be requested
>> for TX TS.
>>
>> Signed-off-by: Roger Quadros <rogerq at ti.com>
>> Co-developed-by: Grygorii Strashko <grygorii.strashko at ti.com>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko at ti.com>
>> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
>> Reviewed-by: Roger Quadros <rogerq at kernel.org>
> 
> How patch author could review or not review its own code? How does it
> even work? I write a patch and for example judge - oh no, it is wrong,
> but I will still send it, just without my review. Or I write a patch -
> oh, I like it, I wrote excellent code, let me add review tag for my own
> code!
> 

He didn't review this patch explicitly. He gave RB for entire series, b4 [1]
must have added his RB to all patches instead of only adding to those patches
for which he is not the author. I will manually remove his RBs in the patches
where he is the author.

[1] https://b4.docs.kernel.org/en/latest/index.html

>> Reviewed-by: Simon Horman <horms at kernel.org>
> 
> Where?
> 
> 
> Best regards,
> Krzysztof
> 

-- 
Thanks and Regards,
Danish.



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