netdev - Re: [PATCH net-next v3 01/12] Documentation: networking: add OPEN Alliance 10BASE-T1x MAC-PHY serial interface

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Date: Thu, 7 Mar 2024 06:29:30 +0000
From: <Parthiban.Veerasooran@...rochip.com>
To: <andrew@...n.ch>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <horms@...nel.org>, <saeedm@...dia.com>,
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	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
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	<ruanjinjie@...wei.com>, <Steen.Hegelund@...rochip.com>,
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	<benjamin.bigler@...nformulastudent.ch>
Subject: Re: [PATCH net-next v3 01/12] Documentation: networking: add OPEN
 Alliance 10BASE-T1x MAC-PHY serial interface

Hi Andrew,

Thanks for reviewing the patches.

On 06/03/24 6:53 pm, Andrew Lunn wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
>> +NORX (Bit 29) - No Receive flag. The SPI host may set this bit to prevent
>> +                the MAC-PHY from conveying RX data on the MISO for the
>> +             current chunk (DV = 0 in the footer), indicating that the
>> +             host would not process it. Typically, the SPI host should
>> +             set NORX = 0 indicating that it will accept and process
>> +             any receive frame data within the current chunk.
>> +
>> +RSVD (Bit 28..24) - Reserved: All reserved bits shall be ‘0’.
>> +
>> +VS (Bit 23..22) - Vendor Specific. These bits are implementation specific.
>> +                  If the MAC-PHY does not implement these bits, the host
>> +               shall set them to ‘0’.
>> +
>> +DV (Bit 21) - Data Valid flag. The SPI host uses this bit to indicate
>> +              whether the current chunk contains valid transmit frame data
>> +           (DV = 1) or not (DV = 0). When ‘0’, the MAC-PHY ignores the
>> +           chunk payload. Note that the receive path is unaffected by
>> +           the setting of the DV bit in the data header.
> 
> There is some odd indentation going on here. Maybe tab vs spaces?
Yes, there is a mixture of tab and spaces. I will correct this 
indentation in the next version.
> 
> Otherwise, this is nice documentation. Thanks.
Thanks.

Best regards,
Parthiban V
> 
>          Andrew