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path: root/drivers/net/ethernet/ti/davinci_emac.c
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Diffstat (limited to 'drivers/net/ethernet/ti/davinci_emac.c')
-rw-r--r--drivers/net/ethernet/ti/davinci_emac.c189
1 files changed, 26 insertions, 163 deletions
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index f56d66e6e..727a79f3c 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -348,7 +348,6 @@ struct emac_priv {
u32 rx_addr_type;
const char *phy_id;
struct device_node *phy_node;
- struct phy_device *phydev;
spinlock_t lock;
/*platform specific members*/
void (*int_enable) (void);
@@ -380,97 +379,6 @@ static char *emac_rxhost_errcodes[16] = {
#define emac_ctrl_write(reg, val) iowrite32(val, (priv->ctrl_base + (reg)))
/**
- * emac_dump_regs - Dump important EMAC registers to debug terminal
- * @priv: The DaVinci EMAC private adapter structure
- *
- * Executes ethtool set cmd & sets phy mode
- *
- */
-static void emac_dump_regs(struct emac_priv *priv)
-{
- struct device *emac_dev = &priv->ndev->dev;
-
- /* Print important registers in EMAC */
- dev_info(emac_dev, "EMAC Basic registers\n");
- if (priv->version == EMAC_VERSION_1) {
- dev_info(emac_dev, "EMAC: EWCTL: %08X, EWINTTCNT: %08X\n",
- emac_ctrl_read(EMAC_CTRL_EWCTL),
- emac_ctrl_read(EMAC_CTRL_EWINTTCNT));
- }
- dev_info(emac_dev, "EMAC: EmuControl:%08X, FifoControl: %08X\n",
- emac_read(EMAC_EMCONTROL), emac_read(EMAC_FIFOCONTROL));
- dev_info(emac_dev, "EMAC: MBPEnable:%08X, RXUnicastSet: %08X, "\
- "RXMaxLen=%08X\n", emac_read(EMAC_RXMBPENABLE),
- emac_read(EMAC_RXUNICASTSET), emac_read(EMAC_RXMAXLEN));
- dev_info(emac_dev, "EMAC: MacControl:%08X, MacStatus: %08X, "\
- "MacConfig=%08X\n", emac_read(EMAC_MACCONTROL),
- emac_read(EMAC_MACSTATUS), emac_read(EMAC_MACCONFIG));
- dev_info(emac_dev, "EMAC Statistics\n");
- dev_info(emac_dev, "EMAC: rx_good_frames:%d\n",
- emac_read(EMAC_RXGOODFRAMES));
- dev_info(emac_dev, "EMAC: rx_broadcast_frames:%d\n",
- emac_read(EMAC_RXBCASTFRAMES));
- dev_info(emac_dev, "EMAC: rx_multicast_frames:%d\n",
- emac_read(EMAC_RXMCASTFRAMES));
- dev_info(emac_dev, "EMAC: rx_pause_frames:%d\n",
- emac_read(EMAC_RXPAUSEFRAMES));
- dev_info(emac_dev, "EMAC: rx_crcerrors:%d\n",
- emac_read(EMAC_RXCRCERRORS));
- dev_info(emac_dev, "EMAC: rx_align_code_errors:%d\n",
- emac_read(EMAC_RXALIGNCODEERRORS));
- dev_info(emac_dev, "EMAC: rx_oversized_frames:%d\n",
- emac_read(EMAC_RXOVERSIZED));
- dev_info(emac_dev, "EMAC: rx_jabber_frames:%d\n",
- emac_read(EMAC_RXJABBER));
- dev_info(emac_dev, "EMAC: rx_undersized_frames:%d\n",
- emac_read(EMAC_RXUNDERSIZED));
- dev_info(emac_dev, "EMAC: rx_fragments:%d\n",
- emac_read(EMAC_RXFRAGMENTS));
- dev_info(emac_dev, "EMAC: rx_filtered_frames:%d\n",
- emac_read(EMAC_RXFILTERED));
- dev_info(emac_dev, "EMAC: rx_qos_filtered_frames:%d\n",
- emac_read(EMAC_RXQOSFILTERED));
- dev_info(emac_dev, "EMAC: rx_octets:%d\n",
- emac_read(EMAC_RXOCTETS));
- dev_info(emac_dev, "EMAC: tx_goodframes:%d\n",
- emac_read(EMAC_TXGOODFRAMES));
- dev_info(emac_dev, "EMAC: tx_bcastframes:%d\n",
- emac_read(EMAC_TXBCASTFRAMES));
- dev_info(emac_dev, "EMAC: tx_mcastframes:%d\n",
- emac_read(EMAC_TXMCASTFRAMES));
- dev_info(emac_dev, "EMAC: tx_pause_frames:%d\n",
- emac_read(EMAC_TXPAUSEFRAMES));
- dev_info(emac_dev, "EMAC: tx_deferred_frames:%d\n",
- emac_read(EMAC_TXDEFERRED));
- dev_info(emac_dev, "EMAC: tx_collision_frames:%d\n",
- emac_read(EMAC_TXCOLLISION));
- dev_info(emac_dev, "EMAC: tx_single_coll_frames:%d\n",
- emac_read(EMAC_TXSINGLECOLL));
- dev_info(emac_dev, "EMAC: tx_mult_coll_frames:%d\n",
- emac_read(EMAC_TXMULTICOLL));
- dev_info(emac_dev, "EMAC: tx_excessive_collisions:%d\n",
- emac_read(EMAC_TXEXCESSIVECOLL));
- dev_info(emac_dev, "EMAC: tx_late_collisions:%d\n",
- emac_read(EMAC_TXLATECOLL));
- dev_info(emac_dev, "EMAC: tx_underrun:%d\n",
- emac_read(EMAC_TXUNDERRUN));
- dev_info(emac_dev, "EMAC: tx_carrier_sense_errors:%d\n",
- emac_read(EMAC_TXCARRIERSENSE));
- dev_info(emac_dev, "EMAC: tx_octets:%d\n",
- emac_read(EMAC_TXOCTETS));
- dev_info(emac_dev, "EMAC: net_octets:%d\n",
- emac_read(EMAC_NETOCTETS));
- dev_info(emac_dev, "EMAC: rx_sof_overruns:%d\n",
- emac_read(EMAC_RXSOFOVERRUNS));
- dev_info(emac_dev, "EMAC: rx_mof_overruns:%d\n",
- emac_read(EMAC_RXMOFOVERRUNS));
- dev_info(emac_dev, "EMAC: rx_dma_overruns:%d\n",
- emac_read(EMAC_RXDMAOVERRUNS));
-
- cpdma_ctlr_dump(priv->dma);
-}
-
-/**
* emac_get_drvinfo - Get EMAC driver information
* @ndev: The DaVinci EMAC network adapter
* @info: ethtool info structure containing name and version
@@ -486,43 +394,6 @@ static void emac_get_drvinfo(struct net_device *ndev,
}
/**
- * emac_get_settings - Get EMAC settings
- * @ndev: The DaVinci EMAC network adapter
- * @ecmd: ethtool command
- *
- * Executes ethool get command
- *
- */
-static int emac_get_settings(struct net_device *ndev,
- struct ethtool_cmd *ecmd)
-{
- struct emac_priv *priv = netdev_priv(ndev);
- if (priv->phydev)
- return phy_ethtool_gset(priv->phydev, ecmd);
- else
- return -EOPNOTSUPP;
-
-}
-
-/**
- * emac_set_settings - Set EMAC settings
- * @ndev: The DaVinci EMAC network adapter
- * @ecmd: ethtool command
- *
- * Executes ethool set command
- *
- */
-static int emac_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
-{
- struct emac_priv *priv = netdev_priv(ndev);
- if (priv->phydev)
- return phy_ethtool_sset(priv->phydev, ecmd);
- else
- return -EOPNOTSUPP;
-
-}
-
-/**
* emac_get_coalesce - Get interrupt coalesce settings for this device
* @ndev : The DaVinci EMAC network adapter
* @coal : ethtool coalesce settings structure
@@ -625,12 +496,12 @@ static int emac_set_coalesce(struct net_device *ndev,
*/
static const struct ethtool_ops ethtool_ops = {
.get_drvinfo = emac_get_drvinfo,
- .get_settings = emac_get_settings,
- .set_settings = emac_set_settings,
.get_link = ethtool_op_get_link,
.get_coalesce = emac_get_coalesce,
.set_coalesce = emac_set_coalesce,
.get_ts_info = ethtool_op_get_ts_info,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
};
/**
@@ -651,8 +522,8 @@ static void emac_update_phystatus(struct emac_priv *priv)
mac_control = emac_read(EMAC_MACCONTROL);
cur_duplex = (mac_control & EMAC_MACCONTROL_FULLDUPLEXEN) ?
DUPLEX_FULL : DUPLEX_HALF;
- if (priv->phydev)
- new_duplex = priv->phydev->duplex;
+ if (ndev->phydev)
+ new_duplex = ndev->phydev->duplex;
else
new_duplex = DUPLEX_FULL;
@@ -1134,8 +1005,6 @@ static void emac_dev_tx_timeout(struct net_device *ndev)
if (netif_msg_tx_err(priv))
dev_err(emac_dev, "DaVinci EMAC: xmit timeout, restarting TX");
- emac_dump_regs(priv);
-
ndev->stats.tx_errors++;
emac_int_disable(priv);
cpdma_chan_stop(priv->txchan);
@@ -1454,7 +1323,7 @@ static void emac_poll_controller(struct net_device *ndev)
static void emac_adjust_link(struct net_device *ndev)
{
struct emac_priv *priv = netdev_priv(ndev);
- struct phy_device *phydev = priv->phydev;
+ struct phy_device *phydev = ndev->phydev;
unsigned long flags;
int new_state = 0;
@@ -1483,7 +1352,7 @@ static void emac_adjust_link(struct net_device *ndev)
}
if (new_state) {
emac_update_phystatus(priv);
- phy_print_status(priv->phydev);
+ phy_print_status(ndev->phydev);
}
spin_unlock_irqrestore(&priv->lock, flags);
@@ -1505,15 +1374,13 @@ static void emac_adjust_link(struct net_device *ndev)
*/
static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
{
- struct emac_priv *priv = netdev_priv(ndev);
-
if (!(netif_running(ndev)))
return -EINVAL;
/* TODO: Add phy read and write and private statistics get feature */
- if (priv->phydev)
- return phy_mii_ioctl(priv->phydev, ifrq, cmd);
+ if (ndev->phydev)
+ return phy_mii_ioctl(ndev->phydev, ifrq, cmd);
else
return -EOPNOTSUPP;
}
@@ -1542,6 +1409,7 @@ static int emac_dev_open(struct net_device *ndev)
int res_num = 0, irq_num = 0;
int i = 0;
struct emac_priv *priv = netdev_priv(ndev);
+ struct phy_device *phydev = NULL;
ret = pm_runtime_get_sync(&priv->pdev->dev);
if (ret < 0) {
@@ -1607,12 +1475,10 @@ static int emac_dev_open(struct net_device *ndev)
cpdma_ctlr_start(priv->dma);
- priv->phydev = NULL;
-
if (priv->phy_node) {
- priv->phydev = of_phy_connect(ndev, priv->phy_node,
- &emac_adjust_link, 0, 0);
- if (!priv->phydev) {
+ phydev = of_phy_connect(ndev, priv->phy_node,
+ &emac_adjust_link, 0, 0);
+ if (!phydev) {
dev_err(emac_dev, "could not connect to phy %s\n",
priv->phy_node->full_name);
ret = -ENODEV;
@@ -1621,7 +1487,7 @@ static int emac_dev_open(struct net_device *ndev)
}
/* use the first phy on the bus if pdata did not give us a phy id */
- if (!priv->phydev && !priv->phy_id) {
+ if (!phydev && !priv->phy_id) {
struct device *phy;
phy = bus_find_device(&mdio_bus_type, NULL, NULL,
@@ -1630,16 +1496,15 @@ static int emac_dev_open(struct net_device *ndev)
priv->phy_id = dev_name(phy);
}
- if (!priv->phydev && priv->phy_id && *priv->phy_id) {
- priv->phydev = phy_connect(ndev, priv->phy_id,
- &emac_adjust_link,
- PHY_INTERFACE_MODE_MII);
+ if (!phydev && priv->phy_id && *priv->phy_id) {
+ phydev = phy_connect(ndev, priv->phy_id,
+ &emac_adjust_link,
+ PHY_INTERFACE_MODE_MII);
- if (IS_ERR(priv->phydev)) {
+ if (IS_ERR(phydev)) {
dev_err(emac_dev, "could not connect to phy %s\n",
priv->phy_id);
- ret = PTR_ERR(priv->phydev);
- priv->phydev = NULL;
+ ret = PTR_ERR(phydev);
goto err;
}
@@ -1647,10 +1512,10 @@ static int emac_dev_open(struct net_device *ndev)
priv->speed = 0;
priv->duplex = ~0;
- phy_attached_info(priv->phydev);
+ phy_attached_info(phydev);
}
- if (!priv->phydev) {
+ if (!phydev) {
/* No PHY , fix the link, speed and duplex settings */
dev_notice(emac_dev, "no phy, defaulting to 100/full\n");
priv->link = 1;
@@ -1659,14 +1524,11 @@ static int emac_dev_open(struct net_device *ndev)
emac_update_phystatus(priv);
}
- if (!netif_running(ndev)) /* debug only - to avoid compiler warning */
- emac_dump_regs(priv);
-
if (netif_msg_drv(priv))
dev_notice(emac_dev, "DaVinci EMAC: Opened %s\n", ndev->name);
- if (priv->phydev)
- phy_start(priv->phydev);
+ if (phydev)
+ phy_start(phydev);
return 0;
@@ -1717,8 +1579,8 @@ static int emac_dev_stop(struct net_device *ndev)
cpdma_ctlr_stop(priv->dma);
emac_write(EMAC_SOFTRESET, 1);
- if (priv->phydev)
- phy_disconnect(priv->phydev);
+ if (ndev->phydev)
+ phy_disconnect(ndev->phydev);
/* Free IRQ */
while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, i))) {
@@ -2102,6 +1964,7 @@ static int davinci_emac_remove(struct platform_device *pdev)
cpdma_ctlr_destroy(priv->dma);
unregister_netdev(ndev);
+ of_node_put(priv->phy_node);
pm_runtime_disable(&pdev->dev);
free_netdev(ndev);