netdev - [PATCH net-next 1/2] net: dsa: mv88e6xxx: Provide dummy implementations for trunk setters

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Date:   Fri, 15 Jan 2021 11:58:33 +0100
From:   Tobias Waldekranz <tobias@...dekranz.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, netdev@...r.kernel.org
Subject: [PATCH net-next 1/2] net: dsa: mv88e6xxx: Provide dummy implementations for trunk setters

Support for Global 2 registers is build-time optional. In the case
where it was not enabled the build would fail as no "dummy"
implementation of these functions was available.

Fixes: 57e661aae6a8 ("net: dsa: mv88e6xxx: Link aggregation support")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>
---
 drivers/net/dsa/mv88e6xxx/global2.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index 60febaf4da76..253a79582a1d 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -525,6 +525,18 @@ static inline int mv88e6xxx_g2_trunk_clear(struct mv88e6xxx_chip *chip)
 	return -EOPNOTSUPP;
 }
 
+static inline int mv88e6xxx_g2_trunk_mask_write(struct mv88e6xxx_chip *chip,
+						int num, bool hash, u16 mask)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int mv88e6xxx_g2_trunk_mapping_write(struct mv88e6xxx_chip *chip,
+						   int id, u16 map)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip,
 						    int target, int port)
 {
-- 
2.17.1