From: Andrew Lunn andrew@lunn.ch
[ Upstream commit 012fc74517b25177dfede2ed45cd108258564e4a ]
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 Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/dsa/mv88e6xxx/chip.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2762,6 +2762,8 @@ static u64 mv88e6xxx_devlink_atu_bin_get goto unlock; }
+ occupancy &= MV88E6XXX_G2_ATU_STATS_MASK; + unlock: mv88e6xxx_reg_unlock(chip);