diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 76 |
1 files changed, 68 insertions, 8 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index beb2b66da132..e741d8aebffe 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -31,6 +31,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/atomic.h> +#include <linux/suspend.h> #include <net/netlink.h> #include <net/genetlink.h> #include <net/sock.h> @@ -114,6 +115,33 @@ void phy_print_status(struct phy_device *phydev) EXPORT_SYMBOL(phy_print_status); /** + * phy_get_rate_matching - determine if rate matching is supported + * @phydev: The phy device to return rate matching for + * @iface: The interface mode to use + * + * This determines the type of rate matching (if any) that @phy supports + * using @iface. @iface may be %PHY_INTERFACE_MODE_NA to determine if any + * interface supports rate matching. + * + * Return: The type of rate matching @phy supports for @iface, or + * %RATE_MATCH_NONE. + */ +int phy_get_rate_matching(struct phy_device *phydev, + phy_interface_t iface) +{ + int ret = RATE_MATCH_NONE; + + if (phydev->drv->get_rate_matching) { + mutex_lock(&phydev->lock); + ret = phydev->drv->get_rate_matching(phydev, iface); + mutex_unlock(&phydev->lock); + } + + return ret; +} +EXPORT_SYMBOL_GPL(phy_get_rate_matching); + +/** * phy_config_interrupt - configure the PHY device for the requested interrupts * @phydev: the phy_device struct * @interrupts: interrupt flags to configure for this @phydev @@ -255,6 +283,7 @@ void phy_ethtool_ksettings_get(struct phy_device *phydev, cmd->base.duplex = phydev->duplex; cmd->base.master_slave_cfg = phydev->master_slave_get; cmd->base.master_slave_state = phydev->master_slave_state; + cmd->base.rate_matching = phydev->rate_matching; if (phydev->interface == PHY_INTERFACE_MODE_MOCA) cmd->base.port = PORT_BNC; else @@ -295,20 +324,20 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) if (mdio_phy_id_is_c45(mii_data->phy_id)) { prtad = mdio_phy_id_prtad(mii_data->phy_id); devad = mdio_phy_id_devad(mii_data->phy_id); - devad = mdiobus_c45_addr(devad, mii_data->reg_num); + mii_data->val_out = mdiobus_c45_read( + phydev->mdio.bus, prtad, devad, + mii_data->reg_num); } else { - prtad = mii_data->phy_id; - devad = mii_data->reg_num; + mii_data->val_out = mdiobus_read( + phydev->mdio.bus, mii_data->phy_id, + mii_data->reg_num); } - mii_data->val_out = mdiobus_read(phydev->mdio.bus, prtad, - devad); return 0; case SIOCSMIIREG: if (mdio_phy_id_is_c45(mii_data->phy_id)) { prtad = mdio_phy_id_prtad(mii_data->phy_id); devad = mdio_phy_id_devad(mii_data->phy_id); - devad = mdiobus_c45_addr(devad, mii_data->reg_num); } else { prtad = mii_data->phy_id; devad = mii_data->reg_num; @@ -351,7 +380,11 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) } } - mdiobus_write(phydev->mdio.bus, prtad, devad, val); + if (mdio_phy_id_is_c45(mii_data->phy_id)) + mdiobus_c45_write(phydev->mdio.bus, prtad, devad, + mii_data->reg_num, val); + else + mdiobus_write(phydev->mdio.bus, prtad, devad, val); if (prtad == phydev->mdio.addr && devad == MII_BMCR && @@ -970,8 +1003,35 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) { struct phy_device *phydev = phy_dat; struct phy_driver *drv = phydev->drv; + irqreturn_t ret; + + /* Wakeup interrupts may occur during a system sleep transition. + * Postpone handling until the PHY has resumed. + */ + if (IS_ENABLED(CONFIG_PM_SLEEP) && phydev->irq_suspended) { + struct net_device *netdev = phydev->attached_dev; + + if (netdev) { + struct device *parent = netdev->dev.parent; + + if (netdev->wol_enabled) + pm_system_wakeup(); + else if (device_may_wakeup(&netdev->dev)) + pm_wakeup_dev_event(&netdev->dev, 0, true); + else if (parent && device_may_wakeup(parent)) + pm_wakeup_dev_event(parent, 0, true); + } - return drv->handle_interrupt(phydev); + phydev->irq_rerun = 1; + disable_irq_nosync(irq); + return IRQ_HANDLED; + } + + mutex_lock(&phydev->lock); + ret = drv->handle_interrupt(phydev); + mutex_unlock(&phydev->lock); + + return ret; } /** |