net: dsa: mv88e6xxx: Only allow LAG offload on supported hardware

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There are chips that do have Global 2 registers, and therefore trunk
mapping/mask tables are not available. Refuse the offload as early as
possible on those devices.

Fixes: 57e661aae6 ("net: dsa: mv88e6xxx: Link aggregation support")
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Tobias Waldekranz 2021-01-15 13:52:59 +01:00 • committed by Jakub Kicinski

parent d38001d30d

commit b80dc51b72

2 changed files with 10 additions and 1 deletions

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6

drivers/net/dsa/mv88e6xxx/chip.c

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5

drivers/net/dsa/mv88e6xxx/chip.h

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