RE: [PATCH v3 1/2] Perform additional retries if Doorbell read returns 0

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From: Martin K. Petersen
> Sent: 09 August 2023 02:26
> 
> 
> Hi Ranjan,
> 
> > But for few registers zero may be a valid value and we don’t want
> > those registers to get penalized with 30 read retries where 1/3 reads
> > would have sufficed.
> 
> If 0 is a valid register value you'll end up always doing 3 retries
> before returning. Even if the first register reads were "successful".
> Peculiar!

Looks like the correct solution is to completely disable the BMC.
It clearly isn't compatible with using the driver as well.

If that isn't possible is seems it needs to be marked BROKEN :-)

Much like the main ethernet interface on my Ivy bridge i7.

	David

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Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)




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