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* [PATCH net-next] net: dsa: mv88e6xxx: Be explicit about DT or pdata
@ 2018-05-30 22:15 Andrew Lunn
  2018-05-31 13:51 ` Vivien Didelot
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Andrew Lunn @ 2018-05-30 22:15 UTC (permalink / raw)
  To: David Miller
  Cc: Vivien Didelot, Florian Fainelli, dan.carpenter, netdev,
	Andrew Lunn

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: 877b7cb0b6f2 ("net: dsa: mv88e6xxx: Add minimal platform_data support")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 12df00f593b7..437cd6eb4faa 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -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);
 
-- 
2.17.0

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-05-31 19:54 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2018-05-30 22:15 [PATCH net-next] net: dsa: mv88e6xxx: Be explicit about DT or pdata Andrew Lunn
2018-05-31 13:51 ` Vivien Didelot
2018-05-31 14:12 ` Florian Fainelli
2018-05-31 19:54 ` David Miller

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