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net: dsa: mv88e6xxx: Be explicit about DT or pdata 

Make it explicit that either device tree is used or platform data.  If
neither is available, abort the probe.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 877b7cb0b6 ("net: dsa: mv88e6xxx: Add minimal platform_data support")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-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:
Andrew Lunn 2018-05-31 00:15:42 +02:00 committed by David S. Miller
parent e2b3e49378
commit 7bb8c9969d
1 changed files with 3 additions and 0 deletions
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3
drivers/net/dsa/mv88e6xxx/chip.c
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@ -4389,6 +4389,9 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
int port;
int err;
if (!np && !pdata)
return -EINVAL;
if (np)
compat_info = of_device_get_match_data(dev);