| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.5 070/151] net: dsa: mv88e6xxx: Add missing mask of ATU occupancy register | Date | Tue, 17 Mar 2020 11:54:40 +0100 |
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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);
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