net: dsa: mv88e6xxx: add mv88e6352_g2_scratch_port_has_serdes()

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Read the hardware configuration to determine which port is attached
to the serdes.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Russell King (Oracle) 2022-02-03 13:30:36 +00:00 • committed by David S. Miller

parent 0947644332

commit 62001548a6

2 changed files with 31 additions and 0 deletions

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3

drivers/net/dsa/mv88e6xxx/global2.h

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28

drivers/net/dsa/mv88e6xxx/global2_scratch.c

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