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net: mv88e6xxx: Fix ingress rate removal for mv6131 chips 

The PORT_RATE_CONTROL register works differently on 88e6095/6095f/6131
in comparison to 6123/61/65, and 0x0 disables. The distinction was lost
Linux 4.1 --> 4.2

Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamie Lentin 2016-08-22 22:47:08 +01:00 committed by David S. Miller
parent f64f14820e
commit 1bc261fabe
1 changed files with 6 additions and 2 deletions
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8
drivers/net/dsa/mv88e6xxx/chip.c
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@ -2656,15 +2656,19 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
return ret;
}
/* Rate Control: disable ingress rate limiting. */
if (mv88e6xxx_6352_family(chip) || mv88e6xxx_6351_family(chip) ||
mv88e6xxx_6165_family(chip) || mv88e6xxx_6097_family(chip) ||
mv88e6xxx_6185_family(chip) || mv88e6xxx_6095_family(chip) ||
mv88e6xxx_6320_family(chip)) {
/* Rate Control: disable ingress rate limiting. */
ret = _mv88e6xxx_reg_write(chip, REG_PORT(port),
PORT_RATE_CONTROL, 0x0001);
if (ret)
return ret;
} else if (mv88e6xxx_6185_family(chip) || mv88e6xxx_6095_family(chip)) {
ret = _mv88e6xxx_reg_write(chip, REG_PORT(port),
PORT_RATE_CONTROL, 0x0000);
if (ret)
return ret;
}
/* Port Control 1: disable trunking, disable sending