Messages in this thread | | | Date | Sat, 10 Jul 2021 22:47:55 +0300 | From | Vladimir Oltean <> | Subject | Re: [RFC PATCH v2 net-next 0/8] Add support for VSC7511-7514 chips over SPI |
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On Sat, Jul 10, 2021 at 12:25:54PM -0700, Colin Foster wrote: > 1. The first probe of the internal MDIO bus fails. I suspect this is related to > power supplies / grounding issues that would not appear on standard hardware.
Where and with what error code does it fail exactly? I don't understand the concept of "the first probe"? You mean that there is an -EPROBE_DEFER and it tries again immediately afterwards? Or you need to unbind and rebind the driver to the device, or what?
> 2. Communication to the CPU bus doesn't seem to function properly. I suspect > this is due to the fact that ocelot / felix assumes it is using the built-in CPU > / NPI port for forwarding, though I am not positive.
What is the CPU bus and what doesn't function properly about it?
> Nonetheless, these two issues likely won't require a large architecture change, > and perhaps those who know much more about the ocelot chips than I could chime > in.
I guess you don't know if that's the case or not until you know what the problem is...
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