[PATCH net] net: dsa: mt7530: fix impossible MDIO address and issue warning

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On 4/30/24 02:45, Daniel Golle wrote:
> The MDIO address of the MT7530 and MT7531 switch ICs can be configured
> using bootstrap pins. However, there are only 4 possible options for the
> switch itself: 7, 15, 23 and 31 (ie. only 3 and 4 can be configured, bit
> 0~2 are always 111). Practically all boards known as of today use the
> default setting which is to have the switch respond to address 31, while
> the built-in switch PHYs respond to address 0~4 in this case.

I'm not aware of the MT7531 switch having bootstrap pins to configure the
PHY address. Are you sure this is the case?

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