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net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT

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[ Upstream commit 84b3fd1fc9 ]

Currently, the upper half of a 4-byte STATS_TYPE_PORT statistic ends
up in bits 47:32 of the return value, instead of bits 31:16 as they
should.

Fixes: 6e46e2d821 ("net: dsa: mv88e6xxx: Fix u64 statistics")
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rasmus Villemoes
2019-05-29 07:02:11 +00:00
committed by Chris
parent cd2432c55a
commit bfe69f83c8
1 changed files with 1 additions and 1 deletions
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2
drivers/net/dsa/mv88e6xxx/chip.c
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@@ -789,7 +789,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
if (err)
return UINT64_MAX;
high = reg;
low |= ((u32)reg) << 16;
}
break;
case BANK0: