net: dsa: mv88e6xxx: Decode ATU problem interrupt

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When there is a problem with the ATU, an interrupt can be
generated. Trap this interrupt and decode the registers to determine
what the problem was, then log the error.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Andrew Lunn 2018-01-14 02:32:44 +01:00 • committed by David S. Miller

parent 3743d88ab4

commit 0977644c50

4 changed files with 103 additions and 2 deletions

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9

drivers/net/dsa/mv88e6xxx/chip.c

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1

drivers/net/dsa/mv88e6xxx/chip.h

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8

drivers/net/dsa/mv88e6xxx/global1.h

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87

drivers/net/dsa/mv88e6xxx/global1_atu.c

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