diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/broadcom.c | 22 | ||||
-rw-r--r-- | drivers/net/phy/dp83822.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/marvell.c | 31 | ||||
-rw-r--r-- | drivers/net/phy/mdio-aspeed.c | 8 | ||||
-rw-r--r-- | drivers/net/phy/mdio_bus.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/micrel.c | 1 | ||||
-rw-r--r-- | drivers/net/phy/phy-core.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/phy_device.c | 6 | ||||
-rw-r--r-- | drivers/net/phy/phylink.c | 5 |
9 files changed, 61 insertions, 18 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 5e956089bf52..7be75a611e9e 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -11,6 +11,7 @@ */ #include "bcm-phy-lib.h" +#include <linux/delay.h> #include <linux/module.h> #include <linux/phy.h> #include <linux/brcmphy.h> @@ -479,6 +480,26 @@ static int brcm_fet_config_init(struct phy_device *phydev) if (err < 0) return err; + /* The datasheet indicates the PHY needs up to 1us to complete a reset, + * build some slack here. + */ + usleep_range(1000, 2000); + + /* The PHY requires 65 MDC clock cycles to complete a write operation + * and turnaround the line properly. + * + * We ignore -EIO here as the MDIO controller (e.g.: mdio-bcm-unimac) + * may flag the lack of turn-around as a read failure. This is + * particularly true with this combination since the MDIO controller + * only used 64 MDC cycles. This is not a critical failure in this + * specific case and it has no functional impact otherwise, so we let + * that one go through. If there is a genuine bus error, the next read + * of MII_BRCM_FET_INTREG will error out. + */ + err = phy_read(phydev, MII_BMCR); + if (err < 0 && err != -EIO) + return err; + reg = phy_read(phydev, MII_BRCM_FET_INTREG); if (reg < 0) return reg; @@ -646,6 +667,7 @@ static struct phy_driver broadcom_drivers[] = { .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM54616S", /* PHY_GBIT_FEATURES */ + .soft_reset = genphy_soft_reset, .config_init = bcm54xx_config_init, .config_aneg = bcm54616s_config_aneg, .ack_interrupt = bcm_phy_ack_intr, diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index 8a4b1d167ce2..ae17d2f9d534 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -238,7 +238,7 @@ static int dp83822_config_intr(struct phy_device *phydev) if (err < 0) return err; - err = phy_write(phydev, MII_DP83822_MISR1, 0); + err = phy_write(phydev, MII_DP83822_MISR2, 0); if (err < 0) return err; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 9dbe625ad447..49801c2eb627 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -444,9 +444,9 @@ static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev) else mscr = 0; - return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE, - MII_88E1121_PHY_MSCR_REG, - MII_88E1121_PHY_MSCR_DELAY_MASK, mscr); + return phy_modify_paged_changed(phydev, MII_MARVELL_MSCR_PAGE, + MII_88E1121_PHY_MSCR_REG, + MII_88E1121_PHY_MSCR_DELAY_MASK, mscr); } static int m88e1121_config_aneg(struct phy_device *phydev) @@ -460,11 +460,13 @@ static int m88e1121_config_aneg(struct phy_device *phydev) return err; } + changed = err; + err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; - changed = err; + changed |= err; err = genphy_config_aneg(phydev); if (err < 0) @@ -886,16 +888,15 @@ static int m88e1118_config_aneg(struct phy_device *phydev) { int err; - err = genphy_soft_reset(phydev); + err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; - err = marvell_set_polarity(phydev, phydev->mdix_ctrl); + err = genphy_config_aneg(phydev); if (err < 0) return err; - err = genphy_config_aneg(phydev); - return 0; + return genphy_soft_reset(phydev); } static int m88e1118_config_init(struct phy_device *phydev) @@ -917,6 +918,12 @@ static int m88e1118_config_init(struct phy_device *phydev) if (err < 0) return err; + if (phy_interface_is_rgmii(phydev)) { + err = m88e1121_config_aneg_rgmii_delays(phydev); + if (err < 0) + return err; + } + /* Adjust LED Control */ if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS) err = phy_write(phydev, 0x10, 0x1100); @@ -1401,8 +1408,8 @@ static int marvell_suspend(struct phy_device *phydev) int err; /* Suspend the fiber mode first */ - if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, - phydev->supported)) { + if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->supported)) { err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; @@ -1436,8 +1443,8 @@ static int marvell_resume(struct phy_device *phydev) int err; /* Resume the fiber mode first */ - if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, - phydev->supported)) { + if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->supported)) { err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; diff --git a/drivers/net/phy/mdio-aspeed.c b/drivers/net/phy/mdio-aspeed.c index cad820568f75..e2273588c75b 100644 --- a/drivers/net/phy/mdio-aspeed.c +++ b/drivers/net/phy/mdio-aspeed.c @@ -61,6 +61,13 @@ static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) iowrite32(ctrl, ctx->base + ASPEED_MDIO_CTRL); + rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_CTRL, ctrl, + !(ctrl & ASPEED_MDIO_CTRL_FIRE), + ASPEED_MDIO_INTERVAL_US, + ASPEED_MDIO_TIMEOUT_US); + if (rc < 0) + return rc; + rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_DATA, data, data & ASPEED_MDIO_DATA_IDLE, ASPEED_MDIO_INTERVAL_US, @@ -141,6 +148,7 @@ static const struct of_device_id aspeed_mdio_of_match[] = { { .compatible = "aspeed,ast2600-mdio", }, { }, }; +MODULE_DEVICE_TABLE(of, aspeed_mdio_of_match); static struct platform_driver aspeed_mdio_driver = { .driver = { diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 9e77e541f335..0c52f6be58c9 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -436,7 +436,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) mdiobus_setup_mdiodev_from_board_info(bus, mdiobus_create_device); bus->state = MDIOBUS_REGISTERED; - pr_info("%s: probed\n", bus->name); + dev_dbg(&bus->dev, "probed\n"); return 0; error: diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 891885f72def..e297be3449e6 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1190,6 +1190,7 @@ static struct phy_driver ksphy_driver[] = { .probe = kszphy_probe, .config_init = ksz8081_config_init, .ack_interrupt = kszphy_ack_interrupt, + .soft_reset = genphy_soft_reset, .config_intr = kszphy_config_intr, .get_sset_count = kszphy_get_sset_count, .get_strings = kszphy_get_strings, diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c index 790a5c81e533..10c289a19bf6 100644 --- a/drivers/net/phy/phy-core.c +++ b/drivers/net/phy/phy-core.c @@ -128,11 +128,11 @@ static const struct phy_setting settings[] = { PHY_SETTING( 2500, FULL, 2500baseT_Full ), PHY_SETTING( 2500, FULL, 2500baseX_Full ), /* 1G */ - PHY_SETTING( 1000, FULL, 1000baseKX_Full ), PHY_SETTING( 1000, FULL, 1000baseT_Full ), PHY_SETTING( 1000, HALF, 1000baseT_Half ), PHY_SETTING( 1000, FULL, 1000baseT1_Full ), PHY_SETTING( 1000, FULL, 1000baseX_Full ), + PHY_SETTING( 1000, FULL, 1000baseKX_Full ), /* 100M */ PHY_SETTING( 100, FULL, 100baseT_Full ), PHY_SETTING( 100, FULL, 100baseT1_Full ), diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index b06d22d8cdef..edc6bf40a0e4 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1438,6 +1438,9 @@ void phy_detach(struct phy_device *phydev) phy_driver_is_genphy_10g(phydev)) device_release_driver(&phydev->mdio.dev); + /* Assert the reset signal */ + phy_device_reset(phydev, 1); + /* * The phydev might go away on the put_device() below, so avoid * a use-after-free bug by reading the underlying bus first. @@ -1449,9 +1452,6 @@ void phy_detach(struct phy_device *phydev) ndev_owner = dev->dev.parent->driver->owner; if (ndev_owner != bus->owner) module_put(bus->owner); - - /* Assert the reset signal */ - phy_device_reset(phydev, 1); } EXPORT_SYMBOL(phy_detach); diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index b902c13fbb02..d7ecea09dbad 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -593,6 +593,11 @@ static int phylink_register_sfp(struct phylink *pl, return ret; } + if (!fwnode_device_is_available(ref.fwnode)) { + fwnode_handle_put(ref.fwnode); + return 0; + } + pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl, &sfp_phylink_ops); if (!pl->sfp_bus) return -ENOMEM; |