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net: dsa: mv88e6xxx: allow SPEED_200 for 6320 family on supported ports

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The 6320 family supports the ALT_SPEED bit on ports 2, 5 and 6. Allow
this speed by implementing 6320 family specific .port_set_speed_duplex()
method.

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20260504153227.1390546-3-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Marek Behún 2026-05-04 17:32:24 +02:00 committed by Jakub Kicinski
parent d201c2612e
commit 965871277f
3 changed files with 19 additions and 2 deletions
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4
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -5168,7 +5168,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.port_set_link = mv88e6xxx_port_set_link,
.port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_set_speed_duplex = mv88e6320_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@ -5221,7 +5221,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.port_set_link = mv88e6xxx_port_set_link,
.port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_set_speed_duplex = mv88e6320_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,

15
drivers/net/dsa/mv88e6xxx/port.c
View File

@ -327,6 +327,21 @@ int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
duplex);
}
int mv88e6320_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex)
{
bool has_200 = (port == 2 || port == 5 || port == 6);
if (speed > 1000)
return -EOPNOTSUPP;
if (speed == 200 && !has_200)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_speed_duplex(chip, port, speed, has_200,
false, duplex);
}
/* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6341) */
int mv88e6341_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex)

2
drivers/net/dsa/mv88e6xxx/port.h
View File

@ -493,6 +493,8 @@ int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex);
int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex);
int mv88e6320_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex);
int mv88e6341_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex);
int mv88e6352_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,