Message ID | 20200311200231.25937-1-andrew@lunn.ch |
---|---|
State | Accepted |
Delegated to: | David Miller |
Headers | show |
Series | [net] net: dsa: mv88e6xxx: Add missing mask of ATU occupancy register | expand |
From: Andrew Lunn <andrew@lunn.ch> Date: Wed, 11 Mar 2020 21:02:31 +0100 > 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> Applied and queued up for -stable, thanks.
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);
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(+)