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- From ffba226d73a2be262fff12d30aecf76d107b2ace Mon Sep 17 00:00:00 2001
- From: Russell King <rmk+kernel@arm.linux.org.uk>
- Date: Thu, 1 Oct 2015 21:19:53 +0100
- Subject: [PATCH 730/744] phylink: add EEE support
- Add EEE hooks to phylink to allow the phylib EEE functions for the
- connected phy to be safely accessed.
- Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- ---
- drivers/net/phy/phylink.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++-
- include/linux/phylink.h | 7 +++++-
- 2 files changed, 63 insertions(+), 2 deletions(-)
- --- a/drivers/net/phy/phylink.c
- +++ b/drivers/net/phy/phylink.c
- @@ -334,7 +334,8 @@ static void phylink_resolve(struct work_
- if (pl->phydev)
- phylink_mac_config(pl, &link_state);
-
- - pl->ops->mac_link_up(ndev, pl->link_an_mode);
- + pl->ops->mac_link_up(ndev, pl->link_an_mode,
- + pl->phydev);
-
- netif_carrier_on(ndev);
-
- @@ -818,6 +819,61 @@ int phylink_ethtool_set_pauseparam(struc
- }
- EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
-
- +int phylink_init_eee(struct phylink *pl, bool clk_stop_enable)
- +{
- + int ret = -EPROTONOSUPPORT;
- +
- + mutex_lock(&pl->config_mutex);
- + if (pl->phydev)
- + ret = phy_init_eee(pl->phydev, clk_stop_enable);
- + mutex_unlock(&pl->config_mutex);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(phylink_init_eee);
- +
- +int phylink_get_eee_err(struct phylink *pl)
- +{
- + int ret = 0;
- +
- + mutex_lock(&pl->config_mutex);
- + if (pl->phydev)
- + ret = phy_get_eee_err(pl->phydev);
- + mutex_unlock(&pl->config_mutex);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(phylink_get_eee_err);
- +
- +int phylink_ethtool_get_eee(struct phylink *pl, struct ethtool_eee *eee)
- +{
- + int ret = -EOPNOTSUPP;
- +
- + mutex_lock(&pl->config_mutex);
- + if (pl->phydev)
- + ret = phy_ethtool_get_eee(pl->phydev, eee);
- + mutex_unlock(&pl->config_mutex);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(phylink_ethtool_get_eee);
- +
- +int phylink_ethtool_set_eee(struct phylink *pl, struct ethtool_eee *eee)
- +{
- + int ret = -EOPNOTSUPP;
- +
- + mutex_lock(&pl->config_mutex);
- + if (pl->phydev) {
- + ret = phy_ethtool_set_eee(pl->phydev, eee);
- + if (ret == 0 && eee->eee_enabled)
- + phy_start_aneg(pl->phydev);
- + }
- + mutex_unlock(&pl->config_mutex);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(phylink_ethtool_set_eee);
- +
- /* This emulates MII registers for a fixed-mode phy operating as per the
- * passed in state. "aneg" defines if we report negotiation is possible.
- *
- --- a/include/linux/phylink.h
- +++ b/include/linux/phylink.h
- @@ -51,7 +51,8 @@ struct phylink_mac_ops {
- void (*mac_an_restart)(struct net_device *, unsigned int mode);
-
- void (*mac_link_down)(struct net_device *, unsigned int mode);
- - void (*mac_link_up)(struct net_device *, unsigned int mode);
- + void (*mac_link_up)(struct net_device *, unsigned int mode,
- + struct phy_device *);
- };
-
- struct phylink *phylink_create(struct net_device *, struct device_node *,
- @@ -74,6 +75,10 @@ void phylink_ethtool_get_pauseparam(stru
- struct ethtool_pauseparam *);
- int phylink_ethtool_set_pauseparam(struct phylink *,
- struct ethtool_pauseparam *);
- +int phylink_init_eee(struct phylink *, bool);
- +int phylink_get_eee_err(struct phylink *);
- +int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);
- +int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *);
- int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
-
- void phylink_set_link_port(struct phylink *pl, u32 support, u8 port);
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