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net: mvneta: convert to phylink 

Convert mvneta to use phylink, which models the MAC to PHY link in
a generic, reusable form.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

- remove unused sync status

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2018-01-02 17:24:44 +00:00 коммит произвёл David S. Miller
Родитель fc548b991f
Коммит 503f9aa9cc
2 изменённых файлов: 181 добавлений и 248 удалений
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2
drivers/net/ethernet/marvell/Kconfig
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@ -60,7 +60,7 @@ config MVNETA
depends on ARCH_MVEBU || COMPILE_TEST depends on ARCH_MVEBU || COMPILE_TEST
depends on HAS_DMA depends on HAS_DMA
select MVMDIO select MVMDIO
select FIXED_PHY select PHYLINK
---help--- ---help---
This driver supports the network interface units in the This driver supports the network interface units in the
Marvell ARMADA XP, ARMADA 370, ARMADA 38x and Marvell ARMADA XP, ARMADA 370, ARMADA 38x and

427
drivers/net/ethernet/marvell/mvneta.c
Просмотреть файл

@ -28,7 +28,7 @@
#include <linux/of_mdio.h> #include <linux/of_mdio.h>
#include <linux/of_net.h> #include <linux/of_net.h>
#include <linux/phy.h> #include <linux/phy.h>
#include <linux/phy_fixed.h> #include <linux/phylink.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/skbuff.h> #include <linux/skbuff.h>
#include <net/hwbm.h> #include <net/hwbm.h>
@ -204,6 +204,8 @@
#define MVNETA_GMAC_TX_FLOW_CTRL_ENABLE BIT(5) #define MVNETA_GMAC_TX_FLOW_CTRL_ENABLE BIT(5)
#define MVNETA_GMAC_RX_FLOW_CTRL_ACTIVE BIT(6) #define MVNETA_GMAC_RX_FLOW_CTRL_ACTIVE BIT(6)
#define MVNETA_GMAC_TX_FLOW_CTRL_ACTIVE BIT(7) #define MVNETA_GMAC_TX_FLOW_CTRL_ACTIVE BIT(7)
#define MVNETA_GMAC_AN_COMPLETE BIT(11)
#define MVNETA_GMAC_SYNC_OK BIT(14)
#define MVNETA_GMAC_AUTONEG_CONFIG 0x2c0c #define MVNETA_GMAC_AUTONEG_CONFIG 0x2c0c
#define MVNETA_GMAC_FORCE_LINK_DOWN BIT(0) #define MVNETA_GMAC_FORCE_LINK_DOWN BIT(0)
#define MVNETA_GMAC_FORCE_LINK_PASS BIT(1) #define MVNETA_GMAC_FORCE_LINK_PASS BIT(1)
@ -407,14 +409,10 @@ struct mvneta_port {
u16 tx_ring_size; u16 tx_ring_size;
u16 rx_ring_size; u16 rx_ring_size;
struct mii_bus *mii_bus;
phy_interface_t phy_interface; phy_interface_t phy_interface;
struct device_node *phy_node; struct device_node *dn;
unsigned int link;
unsigned int duplex;
unsigned int speed;
unsigned int tx_csum_limit; unsigned int tx_csum_limit;
unsigned int use_inband_status:1; struct phylink *phylink;
struct mvneta_bm *bm_priv; struct mvneta_bm *bm_priv;
struct mvneta_bm_pool *pool_long; struct mvneta_bm_pool *pool_long;
@ -1214,10 +1212,6 @@ static void mvneta_port_disable(struct mvneta_port *pp)
val &= ~MVNETA_GMAC0_PORT_ENABLE; val &= ~MVNETA_GMAC0_PORT_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CTRL_0, val); mvreg_write(pp, MVNETA_GMAC_CTRL_0, val);
pp->link = 0;
pp->duplex = -1;
pp->speed = 0;
udelay(200); udelay(200);
} }
@ -1277,44 +1271,6 @@ static void mvneta_set_other_mcast_table(struct mvneta_port *pp, int queue)
mvreg_write(pp, MVNETA_DA_FILT_OTH_MCAST + offset, val); mvreg_write(pp, MVNETA_DA_FILT_OTH_MCAST + offset, val);
} }
static void mvneta_set_autoneg(struct mvneta_port *pp, int enable)
{
u32 val;
if (enable) {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~(MVNETA_GMAC_FORCE_LINK_PASS |
MVNETA_GMAC_FORCE_LINK_DOWN |
MVNETA_GMAC_AN_FLOW_CTRL_EN);
val |= MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
val |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
val |= MVNETA_GMAC2_INBAND_AN_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
} else {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN);
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
}
}
static void mvneta_percpu_unmask_interrupt(void *arg) static void mvneta_percpu_unmask_interrupt(void *arg)
{ {
struct mvneta_port *pp = arg; struct mvneta_port *pp = arg;
@ -1467,7 +1423,6 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
val &= ~MVNETA_PHY_POLLING_ENABLE; val &= ~MVNETA_PHY_POLLING_ENABLE;
mvreg_write(pp, MVNETA_UNIT_CONTROL, val); mvreg_write(pp, MVNETA_UNIT_CONTROL, val);
mvneta_set_autoneg(pp, pp->use_inband_status);
mvneta_set_ucast_table(pp, -1); mvneta_set_ucast_table(pp, -1);
mvneta_set_special_mcast_table(pp, -1); mvneta_set_special_mcast_table(pp, -1);
mvneta_set_other_mcast_table(pp, -1); mvneta_set_other_mcast_table(pp, -1);
@ -2692,26 +2647,11 @@ static irqreturn_t mvneta_percpu_isr(int irq, void *dev_id)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static int mvneta_fixed_link_update(struct mvneta_port *pp, static void mvneta_link_change(struct mvneta_port *pp)
struct phy_device *phy)
{ {
struct fixed_phy_status status;
struct fixed_phy_status changed = {};
u32 gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS); u32 gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
status.link = !!(gmac_stat & MVNETA_GMAC_LINK_UP); phylink_mac_change(pp->phylink, !!(gmac_stat & MVNETA_GMAC_LINK_UP));
if (gmac_stat & MVNETA_GMAC_SPEED_1000)
status.speed = SPEED_1000;
else if (gmac_stat & MVNETA_GMAC_SPEED_100)
status.speed = SPEED_100;
else
status.speed = SPEED_10;
status.duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
changed.link = 1;
changed.speed = 1;
changed.duplex = 1;
fixed_phy_update_state(phy, &status, &changed);
return 0;
} }
/* NAPI handler /* NAPI handler
@ -2727,7 +2667,6 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
u32 cause_rx_tx; u32 cause_rx_tx;
int rx_queue; int rx_queue;
struct mvneta_port *pp = netdev_priv(napi->dev); struct mvneta_port *pp = netdev_priv(napi->dev);
struct net_device *ndev = pp->dev;
struct mvneta_pcpu_port *port = this_cpu_ptr(pp->ports); struct mvneta_pcpu_port *port = this_cpu_ptr(pp->ports);
if (!netif_running(pp->dev)) { if (!netif_running(pp->dev)) {
@ -2741,12 +2680,11 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
u32 cause_misc = mvreg_read(pp, MVNETA_INTR_MISC_CAUSE); u32 cause_misc = mvreg_read(pp, MVNETA_INTR_MISC_CAUSE);
mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0); mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0);
if (pp->use_inband_status && (cause_misc &
(MVNETA_CAUSE_PHY_STATUS_CHANGE | if (cause_misc & (MVNETA_CAUSE_PHY_STATUS_CHANGE |
MVNETA_CAUSE_LINK_CHANGE | MVNETA_CAUSE_LINK_CHANGE |
MVNETA_CAUSE_PSC_SYNC_CHANGE))) { MVNETA_CAUSE_PSC_SYNC_CHANGE))
mvneta_fixed_link_update(pp, ndev->phydev); mvneta_link_change(pp);
}
} }
/* Release Tx descriptors */ /* Release Tx descriptors */
@ -3060,7 +2998,6 @@ static int mvneta_setup_txqs(struct mvneta_port *pp)
static void mvneta_start_dev(struct mvneta_port *pp) static void mvneta_start_dev(struct mvneta_port *pp)
{ {
int cpu; int cpu;
struct net_device *ndev = pp->dev;
mvneta_max_rx_size_set(pp, pp->pkt_size); mvneta_max_rx_size_set(pp, pp->pkt_size);
mvneta_txq_max_tx_size_set(pp, pp->pkt_size); mvneta_txq_max_tx_size_set(pp, pp->pkt_size);
@ -3088,16 +3025,15 @@ static void mvneta_start_dev(struct mvneta_port *pp)
MVNETA_CAUSE_LINK_CHANGE | MVNETA_CAUSE_LINK_CHANGE |
MVNETA_CAUSE_PSC_SYNC_CHANGE); MVNETA_CAUSE_PSC_SYNC_CHANGE);
phy_start(ndev->phydev); phylink_start(pp->phylink);
netif_tx_start_all_queues(pp->dev); netif_tx_start_all_queues(pp->dev);
} }
static void mvneta_stop_dev(struct mvneta_port *pp) static void mvneta_stop_dev(struct mvneta_port *pp)
{ {
unsigned int cpu; unsigned int cpu;
struct net_device *ndev = pp->dev;
phy_stop(ndev->phydev); phylink_stop(pp->phylink);
if (!pp->neta_armada3700) { if (!pp->neta_armada3700) {
for_each_online_cpu(cpu) { for_each_online_cpu(cpu) {
@ -3251,55 +3187,141 @@ static int mvneta_set_mac_addr(struct net_device *dev, void *addr)
return 0; return 0;
} }
static void mvneta_mac_config(struct net_device *ndev) static void mvneta_validate(struct net_device *ndev, unsigned long *supported,
struct phylink_link_state *state)
{ {
struct mvneta_port *pp = netdev_priv(ndev); __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
struct phy_device *phydev = ndev->phydev;
u32 val;
if ((pp->speed != phydev->speed) || /* We only support QSGMII, SGMII and RGMII modes */
(pp->duplex != phydev->duplex)) { if (state->interface != PHY_INTERFACE_MODE_NA &&
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); state->interface != PHY_INTERFACE_MODE_QSGMII &&
val &= ~(MVNETA_GMAC_CONFIG_MII_SPEED | state->interface != PHY_INTERFACE_MODE_SGMII &&
MVNETA_GMAC_CONFIG_GMII_SPEED | !phy_interface_mode_is_rgmii(state->interface)) {
MVNETA_GMAC_CONFIG_FULL_DUPLEX); bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
return;
if (phydev->duplex)
val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
if (phydev->speed == SPEED_1000)
val |= MVNETA_GMAC_CONFIG_GMII_SPEED;
else if (phydev->speed == SPEED_100)
val |= MVNETA_GMAC_CONFIG_MII_SPEED;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
pp->duplex = phydev->duplex;
pp->speed = phydev->speed;
} }
/* Allow all the expected bits */
phylink_set(mask, Autoneg);
phylink_set_port_modes(mask);
/* Half-duplex at speeds higher than 100Mbit is unsupported */
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseX_Full);
phylink_set(mask, 10baseT_Half);
phylink_set(mask, 10baseT_Full);
phylink_set(mask, 100baseT_Half);
phylink_set(mask, 100baseT_Full);
bitmap_and(supported, supported, mask,
__ETHTOOL_LINK_MODE_MASK_NBITS);
bitmap_and(state->advertising, state->advertising, mask,
__ETHTOOL_LINK_MODE_MASK_NBITS);
} }
static void mvneta_mac_link_down(struct net_device *ndev, bool autoneg) static int mvneta_mac_link_state(struct net_device *ndev,
struct phylink_link_state *state)
{
struct mvneta_port *pp = netdev_priv(ndev);
u32 gmac_stat;
gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
if (gmac_stat & MVNETA_GMAC_SPEED_1000)
state->speed = SPEED_1000;
else if (gmac_stat & MVNETA_GMAC_SPEED_100)
state->speed = SPEED_100;
else
state->speed = SPEED_10;
state->an_complete = !!(gmac_stat & MVNETA_GMAC_AN_COMPLETE);
state->link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
state->duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
state->pause = 0;
return 1;
}
static void mvneta_mac_config(struct net_device *ndev, unsigned int mode,
const struct phylink_link_state *state)
{
struct mvneta_port *pp = netdev_priv(ndev);
u32 new_ctrl2, gmac_ctrl2 = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
u32 new_clk, gmac_clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
u32 new_an, gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
new_ctrl2 = gmac_ctrl2 & ~MVNETA_GMAC2_INBAND_AN_ENABLE;
new_clk = gmac_clk & ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
new_an = gmac_an & ~(MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_INBAND_RESTART_AN |
MVNETA_GMAC_CONFIG_MII_SPEED |
MVNETA_GMAC_CONFIG_GMII_SPEED |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_FLOW_CTRL_EN |
MVNETA_GMAC_CONFIG_FULL_DUPLEX |
MVNETA_GMAC_AN_DUPLEX_EN);
if (!phylink_autoneg_inband(mode)) {
/* Phy or fixed speed */
if (state->duplex)
new_an |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
if (state->speed == SPEED_1000)
new_an |= MVNETA_GMAC_CONFIG_GMII_SPEED;
else if (state->speed == SPEED_100)
new_an |= MVNETA_GMAC_CONFIG_MII_SPEED;
} else {
/* SGMII mode receives the state from the PHY */
new_ctrl2 |= MVNETA_GMAC2_INBAND_AN_ENABLE;
new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
MVNETA_GMAC_FORCE_LINK_PASS)) |
MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN;
}
/* Armada 370 documentation says we can only change the port mode
* and in-band enable when the link is down, so force it down
* while making these changes. We also do this for GMAC_CTRL2 */
if ((new_ctrl2 ^ gmac_ctrl2) & MVNETA_GMAC2_INBAND_AN_ENABLE ||
(new_an ^ gmac_an) & MVNETA_GMAC_INBAND_AN_ENABLE) {
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
(gmac_an & ~MVNETA_GMAC_FORCE_LINK_PASS) |
MVNETA_GMAC_FORCE_LINK_DOWN);
}
if (new_ctrl2 != gmac_ctrl2)
mvreg_write(pp, MVNETA_GMAC_CTRL_2, new_ctrl2);
if (new_clk != gmac_clk)
mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, new_clk);
if (new_an != gmac_an)
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, new_an);
}
static void mvneta_mac_link_down(struct net_device *ndev, unsigned int mode)
{ {
struct mvneta_port *pp = netdev_priv(ndev); struct mvneta_port *pp = netdev_priv(ndev);
u32 val; u32 val;
if (!autoneg) { mvneta_port_down(pp);
if (!phylink_autoneg_inband(mode)) {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~MVNETA_GMAC_FORCE_LINK_PASS; val &= ~MVNETA_GMAC_FORCE_LINK_PASS;
val |= MVNETA_GMAC_FORCE_LINK_DOWN; val |= MVNETA_GMAC_FORCE_LINK_DOWN;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
} }
mvneta_port_down(pp);
} }
static void mvneta_mac_link_up(struct net_device *ndev, bool autoneg) static void mvneta_mac_link_up(struct net_device *ndev, unsigned int mode,
struct phy_device *phy)
{ {
struct mvneta_port *pp = netdev_priv(ndev); struct mvneta_port *pp = netdev_priv(ndev);
u32 val; u32 val;
if (!autoneg) { if (!phylink_autoneg_inband(mode)) {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~MVNETA_GMAC_FORCE_LINK_DOWN; val &= ~MVNETA_GMAC_FORCE_LINK_DOWN;
val |= MVNETA_GMAC_FORCE_LINK_PASS; val |= MVNETA_GMAC_FORCE_LINK_PASS;
@ -3309,64 +3331,31 @@ static void mvneta_mac_link_up(struct net_device *ndev, bool autoneg)
mvneta_port_up(pp); mvneta_port_up(pp);
} }
static void mvneta_adjust_link(struct net_device *ndev) static const struct phylink_mac_ops mvneta_phylink_ops = {
{ .validate = mvneta_validate,
struct mvneta_port *pp = netdev_priv(ndev); .mac_link_state = mvneta_mac_link_state,
struct phy_device *phydev = ndev->phydev; .mac_config = mvneta_mac_config,
int status_change = 0; .mac_link_down = mvneta_mac_link_down,
.mac_link_up = mvneta_mac_link_up,
if (phydev->link) };
mvneta_mac_config(ndev);
if (phydev->link != pp->link) {
if (!phydev->link) {
pp->duplex = -1;
pp->speed = 0;
}
pp->link = phydev->link;
status_change = 1;
}
if (status_change) {
if (phydev->link)
mvneta_mac_link_down(ndev, pp->use_inband_status);
else
mvneta_mac_link_up(ndev, pp->use_inband_status);
phy_print_status(phydev);
}
}
static int mvneta_mdio_probe(struct mvneta_port *pp) static int mvneta_mdio_probe(struct mvneta_port *pp)
{ {
struct phy_device *phy_dev;
struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
int err = phylink_of_phy_connect(pp->phylink, pp->dn, 0);
phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0, if (err)
pp->phy_interface); netdev_err(pp->dev, "could not attach PHY: %d\n", err);
if (!phy_dev) {
netdev_err(pp->dev, "could not find the PHY\n");
return -ENODEV;
}
phy_ethtool_get_wol(phy_dev, &wol); phylink_ethtool_get_wol(pp->phylink, &wol);
device_set_wakeup_capable(&pp->dev->dev, !!wol.supported); device_set_wakeup_capable(&pp->dev->dev, !!wol.supported);
phy_dev->supported &= PHY_GBIT_FEATURES; return err;
phy_dev->advertising = phy_dev->supported;
pp->link = 0;
pp->duplex = 0;
pp->speed = 0;
return 0;
} }
static void mvneta_mdio_remove(struct mvneta_port *pp) static void mvneta_mdio_remove(struct mvneta_port *pp)
{ {
struct net_device *ndev = pp->dev; phylink_disconnect_phy(pp->phylink);
phy_disconnect(ndev->phydev);
} }
/* Electing a CPU must be done in an atomic way: it should be done /* Electing a CPU must be done in an atomic way: it should be done
@ -3645,10 +3634,9 @@ static int mvneta_stop(struct net_device *dev)
static int mvneta_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) static int mvneta_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{ {
if (!dev->phydev) struct mvneta_port *pp = netdev_priv(dev);
return -ENOTSUPP;
return phy_mii_ioctl(dev->phydev, ifr, cmd); return phylink_mii_ioctl(pp->phylink, ifr, cmd);
} }
/* Ethtool methods */ /* Ethtool methods */
@ -3659,44 +3647,25 @@ mvneta_ethtool_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd) const struct ethtool_link_ksettings *cmd)
{ {
struct mvneta_port *pp = netdev_priv(ndev); struct mvneta_port *pp = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
if (!phydev) return phylink_ethtool_ksettings_set(pp->phylink, cmd);
return -ENODEV; }
if ((cmd->base.autoneg == AUTONEG_ENABLE) != pp->use_inband_status) { /* Get link ksettings for ethtools */
u32 val; static int
mvneta_ethtool_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct mvneta_port *pp = netdev_priv(ndev);
mvneta_set_autoneg(pp, cmd->base.autoneg == AUTONEG_ENABLE); return phylink_ethtool_ksettings_get(pp->phylink, cmd);
}
if (cmd->base.autoneg == AUTONEG_DISABLE) { static int mvneta_ethtool_nway_reset(struct net_device *dev)
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); {
val &= ~(MVNETA_GMAC_CONFIG_MII_SPEED | struct mvneta_port *pp = netdev_priv(dev);
MVNETA_GMAC_CONFIG_GMII_SPEED |
MVNETA_GMAC_CONFIG_FULL_DUPLEX);
if (phydev->duplex) return phylink_ethtool_nway_reset(pp->phylink);
val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
if (phydev->speed == SPEED_1000)
val |= MVNETA_GMAC_CONFIG_GMII_SPEED;
else if (phydev->speed == SPEED_100)
val |= MVNETA_GMAC_CONFIG_MII_SPEED;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
}
pp->use_inband_status = (cmd->base.autoneg == AUTONEG_ENABLE);
netdev_info(pp->dev, "autoneg status set to %i\n",
pp->use_inband_status);
if (netif_running(ndev)) {
mvneta_port_down(pp);
mvneta_port_up(pp);
}
}
return phy_ethtool_ksettings_set(ndev->phydev, cmd);
} }
/* Set interrupt coalescing for ethtools */ /* Set interrupt coalescing for ethtools */
@ -3958,22 +3927,18 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
static void mvneta_ethtool_get_wol(struct net_device *dev, static void mvneta_ethtool_get_wol(struct net_device *dev,
struct ethtool_wolinfo *wol) struct ethtool_wolinfo *wol)
{ {
wol->supported = 0; struct mvneta_port *pp = netdev_priv(dev);
wol->wolopts = 0;
if (dev->phydev) phylink_ethtool_get_wol(pp->phylink, wol);
phy_ethtool_get_wol(dev->phydev, wol);
} }
static int mvneta_ethtool_set_wol(struct net_device *dev, static int mvneta_ethtool_set_wol(struct net_device *dev,
struct ethtool_wolinfo *wol) struct ethtool_wolinfo *wol)
{ {
struct mvneta_port *pp = netdev_priv(dev);
int ret; int ret;
if (!dev->phydev) ret = phylink_ethtool_set_wol(pp->phylink, wol);
return -EOPNOTSUPP;
ret = phy_ethtool_set_wol(dev->phydev, wol);
if (!ret) if (!ret)
device_set_wakeup_enable(&dev->dev, !!wol->wolopts); device_set_wakeup_enable(&dev->dev, !!wol->wolopts);
@ -3993,7 +3958,7 @@ static const struct net_device_ops mvneta_netdev_ops = {
}; };
static const struct ethtool_ops mvneta_eth_tool_ops = { static const struct ethtool_ops mvneta_eth_tool_ops = {
.nway_reset = phy_ethtool_nway_reset, .nway_reset = mvneta_ethtool_nway_reset,
.get_link = ethtool_op_get_link, .get_link = ethtool_op_get_link,
.set_coalesce = mvneta_ethtool_set_coalesce, .set_coalesce = mvneta_ethtool_set_coalesce,
.get_coalesce = mvneta_ethtool_get_coalesce, .get_coalesce = mvneta_ethtool_get_coalesce,
@ -4007,7 +3972,7 @@ static const struct ethtool_ops mvneta_eth_tool_ops = {
.get_rxnfc = mvneta_ethtool_get_rxnfc, .get_rxnfc = mvneta_ethtool_get_rxnfc,
.get_rxfh = mvneta_ethtool_get_rxfh, .get_rxfh = mvneta_ethtool_get_rxfh,
.set_rxfh = mvneta_ethtool_set_rxfh, .set_rxfh = mvneta_ethtool_set_rxfh,
.get_link_ksettings = phy_ethtool_get_link_ksettings, .get_link_ksettings = mvneta_ethtool_get_link_ksettings,
.set_link_ksettings = mvneta_ethtool_set_link_ksettings, .set_link_ksettings = mvneta_ethtool_set_link_ksettings,
.get_wol = mvneta_ethtool_get_wol, .get_wol = mvneta_ethtool_get_wol,
.set_wol = mvneta_ethtool_set_wol, .set_wol = mvneta_ethtool_set_wol,
@ -4155,14 +4120,13 @@ static int mvneta_probe(struct platform_device *pdev)
{ {
struct resource *res; struct resource *res;
struct device_node *dn = pdev->dev.of_node; struct device_node *dn = pdev->dev.of_node;
struct device_node *phy_node;
struct device_node *bm_node; struct device_node *bm_node;
struct mvneta_port *pp; struct mvneta_port *pp;
struct net_device *dev; struct net_device *dev;
struct phylink *phylink;
const char *dt_mac_addr; const char *dt_mac_addr;
char hw_mac_addr[ETH_ALEN]; char hw_mac_addr[ETH_ALEN];
const char *mac_from; const char *mac_from;
const char *managed;
int tx_csum_limit; int tx_csum_limit;
int phy_mode; int phy_mode;
int err; int err;
@ -4178,31 +4142,18 @@ static int mvneta_probe(struct platform_device *pdev)
goto err_free_netdev; goto err_free_netdev;
} }
phy_node = of_parse_phandle(dn, "phy", 0);
if (!phy_node) {
if (!of_phy_is_fixed_link(dn)) {
dev_err(&pdev->dev, "no PHY specified\n");
err = -ENODEV;
goto err_free_irq;
}
err = of_phy_register_fixed_link(dn);
if (err < 0) {
dev_err(&pdev->dev, "cannot register fixed PHY\n");
goto err_free_irq;
}
/* In the case of a fixed PHY, the DT node associated
* to the PHY is the Ethernet MAC DT node.
*/
phy_node = of_node_get(dn);
}
phy_mode = of_get_phy_mode(dn); phy_mode = of_get_phy_mode(dn);
if (phy_mode < 0) { if (phy_mode < 0) {
dev_err(&pdev->dev, "incorrect phy-mode\n"); dev_err(&pdev->dev, "incorrect phy-mode\n");
err = -EINVAL; err = -EINVAL;
goto err_put_phy_node; goto err_free_irq;
}
phylink = phylink_create(dev, pdev->dev.fwnode, phy_mode,
&mvneta_phylink_ops);
if (IS_ERR(phylink)) {
err = PTR_ERR(phylink);
goto err_free_irq;
} }
dev->tx_queue_len = MVNETA_MAX_TXD; dev->tx_queue_len = MVNETA_MAX_TXD;
@ -4213,12 +4164,9 @@ static int mvneta_probe(struct platform_device *pdev)
pp = netdev_priv(dev); pp = netdev_priv(dev);
spin_lock_init(&pp->lock); spin_lock_init(&pp->lock);
pp->phy_node = phy_node; pp->phylink = phylink;
pp->phy_interface = phy_mode; pp->phy_interface = phy_mode;
pp->dn = dn;
err = of_property_read_string(dn, "managed", &managed);
pp->use_inband_status = (err == 0 &&
strcmp(managed, "in-band-status") == 0);
pp->rxq_def = rxq_def; pp->rxq_def = rxq_def;
@ -4240,7 +4188,7 @@ static int mvneta_probe(struct platform_device *pdev)
pp->clk = devm_clk_get(&pdev->dev, NULL); pp->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(pp->clk)) { if (IS_ERR(pp->clk)) {
err = PTR_ERR(pp->clk); err = PTR_ERR(pp->clk);
goto err_put_phy_node; goto err_free_phylink;
} }
clk_prepare_enable(pp->clk); clk_prepare_enable(pp->clk);
@ -4377,14 +4325,6 @@ static int mvneta_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pp->dev); platform_set_drvdata(pdev, pp->dev);
if (pp->use_inband_status) {
struct phy_device *phy = of_phy_find_device(dn);
mvneta_fixed_link_update(pp, phy);
put_device(&phy->mdio.dev);
}
return 0; return 0;
err_netdev: err_netdev:
@ -4401,10 +4341,9 @@ err_free_ports:
err_clk: err_clk:
clk_disable_unprepare(pp->clk_bus); clk_disable_unprepare(pp->clk_bus);
clk_disable_unprepare(pp->clk); clk_disable_unprepare(pp->clk);
err_put_phy_node: err_free_phylink:
of_node_put(phy_node); if (pp->phylink)
if (of_phy_is_fixed_link(dn)) phylink_destroy(pp->phylink);
of_phy_deregister_fixed_link(dn);
err_free_irq: err_free_irq:
irq_dispose_mapping(dev->irq); irq_dispose_mapping(dev->irq);
err_free_netdev: err_free_netdev:
@ -4416,7 +4355,6 @@ err_free_netdev:
static int mvneta_remove(struct platform_device *pdev) static int mvneta_remove(struct platform_device *pdev)
{ {
struct net_device *dev = platform_get_drvdata(pdev); struct net_device *dev = platform_get_drvdata(pdev);
struct device_node *dn = pdev->dev.of_node;
struct mvneta_port *pp = netdev_priv(dev); struct mvneta_port *pp = netdev_priv(dev);
unregister_netdev(dev); unregister_netdev(dev);
@ -4424,10 +4362,8 @@ static int mvneta_remove(struct platform_device *pdev)
clk_disable_unprepare(pp->clk); clk_disable_unprepare(pp->clk);
free_percpu(pp->ports); free_percpu(pp->ports);
free_percpu(pp->stats); free_percpu(pp->stats);
if (of_phy_is_fixed_link(dn))
of_phy_deregister_fixed_link(dn);
irq_dispose_mapping(dev->irq); irq_dispose_mapping(dev->irq);
of_node_put(pp->phy_node); phylink_destroy(pp->phylink);
free_netdev(dev); free_netdev(dev);
if (pp->bm_priv) { if (pp->bm_priv) {
@ -4481,9 +4417,6 @@ static int mvneta_resume(struct device *device)
return err; return err;
} }
if (pp->use_inband_status)
mvneta_fixed_link_update(pp, dev->phydev);
netif_device_attach(dev); netif_device_attach(dev);
rtnl_lock(); rtnl_lock();
if (netif_running(dev)) { if (netif_running(dev)) {