net: dsa: qca8k: handle error with qca8k_rmw operation

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qca8k_rmw can fail. Rework any user to handle error values and
correctly return. Change qca8k_rmw to return the error code or 0 instead
of the reg value. The reg returned by qca8k_rmw wasn't used anywhere,
so this doesn't cause any functional change.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ansuel Smith 2021-05-14 22:59:57 +02:00 • committed by David S. Miller

parent d7805757c7

commit aaf421425c

1 changed files with 83 additions and 50 deletions

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drivers/net/dsa/qca8k.c

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