diff mbox series

[net] net: dsa: mv88e6xxx: Add missing mask of ATU occupancy register

Message ID 20200311200231.25937-1-andrew@lunn.ch
State New
Headers show
Series [net] net: dsa: mv88e6xxx: Add missing mask of ATU occupancy register | expand

Commit Message

Andrew Lunn March 11, 2020, 8:02 p.m. UTC
Only the bottom 12 bits contain the ATU bin occupancy statistics. The
upper bits need masking off.

Fixes: e0c69ca7dfbb ("net: dsa: mv88e6xxx: Add ATU occupancy via devlink resources")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 8c9289549688..2f993e673ec7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2769,6 +2769,8 @@  static u64 mv88e6xxx_devlink_atu_bin_get(struct mv88e6xxx_chip *chip,
 		goto unlock;
 	}
 
+	occupancy &= MV88E6XXX_G2_ATU_STATS_MASK;
+
 unlock:
 	mv88e6xxx_reg_unlock(chip);