net: dsa: mv88e6xxx: introduce invalid_port_mask in mv88e6xxx_info

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With this it is possible to mark certain chip ports as invalid. This is
required for example for the MV88E6220 (which is in general a MV88E6250
with 7 ports) but the ports 2-4 are not routed to pins.

If a user configures an invalid port, an error is returned.

Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Hubert Feurstein 2019-07-31 10:23:48 +02:00 • committed by David S. Miller

parent 83c5ee315f

commit c857486a4b

2 changed files with 19 additions and 0 deletions

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9

drivers/net/dsa/mv88e6xxx/chip.c

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10

drivers/net/dsa/mv88e6xxx/chip.h

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