diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 34998ecd9cc9..10ea01459a36 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -258,6 +258,7 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id) unsigned int sub_irq; unsigned int n; u16 reg; + u16 ctl1; int err; mutex_lock(&chip->reg_lock); @@ -267,13 +268,28 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id) if (err) goto out; - for (n = 0; n < chip->g1_irq.nirqs; ++n) { - if (reg & (1 << n)) { - sub_irq = irq_find_mapping(chip->g1_irq.domain, n); - handle_nested_irq(sub_irq); - ++nhandled; + do { + for (n = 0; n < chip->g1_irq.nirqs; ++n) { + if (reg & (1 << n)) { + sub_irq = irq_find_mapping(chip->g1_irq.domain, + n); + handle_nested_irq(sub_irq); + ++nhandled; + } } - } + + mutex_lock(&chip->reg_lock); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1); + if (err) + goto unlock; + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, ®); +unlock: + mutex_unlock(&chip->reg_lock); + if (err) + goto out; + ctl1 &= GENMASK(chip->g1_irq.nirqs, 0); + } while (reg & ctl1); + out: return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE); } @@ -608,7 +624,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, err = mv88e6xxx_port_read(chip, port, s->reg + 1, ®); if (err) return UINT64_MAX; - high = reg; + low |= ((u32)reg) << 16; } break; case STATS_TYPE_BANK1: @@ -623,7 +639,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, default: return UINT64_MAX; } - value = (((u64)high) << 16) | low; + value = (((u64)high) << 32) | low; return value; } @@ -1059,7 +1075,7 @@ static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid, int err; if (!vid) - return -EINVAL; + return -EOPNOTSUPP; entry->vid = vid - 1; entry->valid = false; @@ -2180,11 +2196,22 @@ static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg) mutex_unlock(&chip->reg_lock); if (reg == MII_PHYSID2) { - /* Some internal PHYS don't have a model number. Use - * the mv88e6390 family model number instead. - */ - if (!(val & 0x3f0)) - val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4; + /* Some internal PHYs don't have a model number. */ + if (chip->info->family != MV88E6XXX_FAMILY_6165) + /* Then there is the 6165 family. It gets is + * PHYs correct. But it can also have two + * SERDES interfaces in the PHY address + * space. And these don't have a model + * number. But they are not PHYs, so we don't + * want to give them something a PHY driver + * will recognise. + * + * Use the mv88e6390 family model number + * instead, for anything which really could be + * a PHY, + */ + if (!(val & 0x3f0)) + val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4; } return err ? err : val; @@ -2511,7 +2538,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = { .port_set_link = mv88e6xxx_port_set_link, .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, - .port_set_speed = mv88e6390_port_set_speed, + .port_set_speed = mv88e6341_port_set_speed, .port_tag_remap = mv88e6095_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -2553,7 +2580,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = { .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, - .stats_snapshot = mv88e6320_g1_stats_snapshot, + .stats_snapshot = mv88e6xxx_g1_stats_snapshot, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, .stats_get_stats = mv88e6095_stats_get_stats, @@ -3013,7 +3040,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = { .port_set_link = mv88e6xxx_port_set_link, .port_set_duplex = mv88e6xxx_port_set_duplex, .port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay, - .port_set_speed = mv88e6390_port_set_speed, + .port_set_speed = mv88e6341_port_set_speed, .port_tag_remap = mv88e6095_port_tag_remap, .port_set_frame_mode = mv88e6351_port_set_frame_mode, .port_set_egress_floods = mv88e6352_port_set_egress_floods, @@ -4028,6 +4055,8 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev) goto out_g1_irq; } } + if (chip->reset) + usleep_range(1000, 2000); err = mv88e6xxx_mdios_register(chip, np); if (err) |