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net: dsa: mv88e6xxx: skip unused ports

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The unused ports are currently configured in normal mode. This does not
prevent the switch from being functional, but it is unnecessary. Skip
unused ports.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2017-10-26 11:22:52 -04:00 committed by David S. Miller
parent bff7b688d5
commit 91dee14481
1 changed files with 3 additions and 0 deletions
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3
drivers/net/dsa/mv88e6xxx/chip.c
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@ -2005,6 +2005,9 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
/* Setup Switch Port Registers */
for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
if (dsa_is_unused_port(ds, i))
continue;
err = mv88e6xxx_setup_port(chip, i);
if (err)
goto unlock;