diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/Kconfig | 1 | ||||
-rw-r--r-- | drivers/net/phy/mdio-gpio.c | 5 | ||||
-rw-r--r-- | drivers/net/phy/micrel.c | 3 | ||||
-rw-r--r-- | drivers/net/phy/phy.c | 34 |
4 files changed, 26 insertions, 17 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 8fadaa14b9f0..70641d2c0429 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -27,6 +27,7 @@ config AMD_PHY config AMD_XGBE_PHY tristate "Driver for the AMD 10GbE (amd-xgbe) PHYs" depends on (OF || ACPI) && HAS_IOMEM + depends on ARM64 || COMPILE_TEST ---help--- Currently supports the AMD 10GbE PHY diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index c9cb486c753d..53d18150f4e2 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -168,7 +168,10 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev, if (!new_bus->irq[i]) new_bus->irq[i] = PHY_POLL; - snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id); + if (bus_id != -1) + snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id); + else + strncpy(new_bus->id, "gpio", MII_BUS_ID_SIZE); if (devm_gpio_request(dev, bitbang->mdc, "mdc")) goto out_free_bus; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 1190fd8f0088..ebdc357c5131 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -548,7 +548,8 @@ static int kszphy_probe(struct phy_device *phydev) } clk = devm_clk_get(&phydev->dev, "rmii-ref"); - if (!IS_ERR(clk)) { + /* NOTE: clk may be NULL if building without CONFIG_HAVE_CLK */ + if (!IS_ERR_OR_NULL(clk)) { unsigned long rate = clk_get_rate(clk); bool rmii_ref_clk_sel_25_mhz; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 52cd8db2c57d..47cd578052fc 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -742,6 +742,9 @@ EXPORT_SYMBOL(phy_stop); */ void phy_start(struct phy_device *phydev) { + bool do_resume = false; + int err = 0; + mutex_lock(&phydev->lock); switch (phydev->state) { @@ -752,11 +755,22 @@ void phy_start(struct phy_device *phydev) phydev->state = PHY_UP; break; case PHY_HALTED: + /* make sure interrupts are re-enabled for the PHY */ + err = phy_enable_interrupts(phydev); + if (err < 0) + break; + phydev->state = PHY_RESUMING; + do_resume = true; + break; default: break; } mutex_unlock(&phydev->lock); + + /* if phy was suspended, bring the physical link up again */ + if (do_resume) + phy_resume(phydev); } EXPORT_SYMBOL(phy_start); @@ -769,7 +783,7 @@ void phy_state_machine(struct work_struct *work) struct delayed_work *dwork = to_delayed_work(work); struct phy_device *phydev = container_of(dwork, struct phy_device, state_queue); - bool needs_aneg = false, do_suspend = false, do_resume = false; + bool needs_aneg = false, do_suspend = false; int err = 0; mutex_lock(&phydev->lock); @@ -888,14 +902,6 @@ void phy_state_machine(struct work_struct *work) } break; case PHY_RESUMING: - err = phy_clear_interrupt(phydev); - if (err) - break; - - err = phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED); - if (err) - break; - if (AUTONEG_ENABLE == phydev->autoneg) { err = phy_aneg_done(phydev); if (err < 0) @@ -933,7 +939,6 @@ void phy_state_machine(struct work_struct *work) } phydev->adjust_link(phydev->attached_dev); } - do_resume = true; break; } @@ -943,8 +948,6 @@ void phy_state_machine(struct work_struct *work) err = phy_start_aneg(phydev); else if (do_suspend) phy_suspend(phydev); - else if (do_resume) - phy_resume(phydev); if (err < 0) phy_error(phydev); @@ -1053,13 +1056,14 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) { /* According to 802.3az,the EEE is supported only in full duplex-mode. * Also EEE feature is active when core is operating with MII, GMII - * or RGMII. Internal PHYs are also allowed to proceed and should - * return an error if they do not support EEE. + * or RGMII (all kinds). Internal PHYs are also allowed to proceed and + * should return an error if they do not support EEE. */ if ((phydev->duplex == DUPLEX_FULL) && ((phydev->interface == PHY_INTERFACE_MODE_MII) || (phydev->interface == PHY_INTERFACE_MODE_GMII) || - (phydev->interface == PHY_INTERFACE_MODE_RGMII) || + (phydev->interface >= PHY_INTERFACE_MODE_RGMII && + phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID) || phy_is_internal(phydev))) { int eee_lp, eee_cap, eee_adv; u32 lp, cap, adv; |