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mv88e6xxx: Add mv88e6352_serdes_get_lane

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Changes:
1. Add mv88e6352_serdes_get_lane function which checks if the port
supports SERDES by calling mv88e6352_g2_scratch_port_has_serdes. Then
returns the address of the SERDES lane.
2. Add this function as .serdes_get_lane member to all the chip
versions which use mv88e6352_pcs_init.

Co-developed-by: Thomas Eckerman <thomas.eckerman.ext@ericsson.com>
Signed-off-by: Thomas Eckerman <thomas.eckerman.ext@ericsson.com>
Signed-off-by: Fidan Aliyeva <fidan.aliyeva.ext@ericsson.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260528210310.1365858-2-fidan.aliyeva.ext@ericsson.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Fidan Aliyeva 2026-05-28 23:03:08 +02:00 committed by Jakub Kicinski
parent 046c89c45e
commit 1a79978dd2
3 changed files with 16 additions and 0 deletions
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4
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -4672,6 +4672,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.stu_getnext = mv88e6352_g1_stu_getnext,
.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
.serdes_get_regs = mv88e6352_serdes_get_regs,
.gpio_ops = &mv88e6352_gpio_ops,
@ -4775,6 +4776,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.stu_getnext = mv88e6352_g1_stu_getnext,
.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
.serdes_get_regs = mv88e6352_serdes_get_regs,
@ -5047,6 +5049,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.stu_getnext = mv88e6352_g1_stu_getnext,
.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
.serdes_get_regs = mv88e6352_serdes_get_regs,
@ -5487,6 +5490,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6352_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
.serdes_get_strings = mv88e6352_serdes_get_strings,
.serdes_get_stats = mv88e6352_serdes_get_stats,

11
drivers/net/dsa/mv88e6xxx/serdes.c
View File

@ -102,6 +102,17 @@ int mv88e6xxx_pcs_decode_state(struct device *dev, u16 bmsr, u16 lpa,
return 0;
}
int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
{
int has_serdes;
has_serdes = mv88e6352_g2_scratch_port_has_serdes(chip, port);
if (has_serdes == 0)
return -ENODEV;
return MV88E6352_ADDR_SERDES;
}
struct mv88e6352_serdes_hw_stat {
char string[ETH_GSTRING_LEN];
int sizeof_stat;

1
drivers/net/dsa/mv88e6xxx/serdes.h
View File

@ -115,6 +115,7 @@ int mv88e6xxx_pcs_decode_state(struct device *dev, u16 bmsr, u16 lpa,
u16 status, struct phylink_link_state *state);
int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
int mv88e6393x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);