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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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One conflict in the BPF samples Makefile, some fixes in 'net' whilst
we were converting over to Makefile.target rules in 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2019-11-09 11:04:37 -08:00
parent 92da362c07 0058b0a506
commit 14684b9301
260 changed files with 2206 additions and 943 deletions
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147
drivers/net/ethernet/broadcom/genet/bcmmii.c
View File

@ -173,46 +173,6 @@ static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv)
bcmgenet_fixed_phy_link_update);
}
int bcmgenet_mii_connect(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
struct phy_device *phydev;
u32 phy_flags = 0;
int ret;
/* Communicate the integrated PHY revision */
if (priv->internal_phy)
phy_flags = priv->gphy_rev;
/* Initialize link state variables that bcmgenet_mii_setup() uses */
priv->old_link = -1;
priv->old_speed = -1;
priv->old_duplex = -1;
priv->old_pause = -1;
if (dn) {
phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup,
phy_flags, priv->phy_interface);
if (!phydev) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
} else {
phydev = dev->phydev;
phydev->dev_flags = phy_flags;
ret = phy_connect_direct(dev, phydev, bcmgenet_mii_setup,
priv->phy_interface);
if (ret) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
}
return 0;
}
int bcmgenet_mii_config(struct net_device *dev, bool init)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
@ -221,8 +181,38 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
const char *phy_name = NULL;
u32 id_mode_dis = 0;
u32 port_ctrl;
int bmcr = -1;
int ret;
u32 reg;
/* MAC clocking workaround during reset of umac state machines */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
if (reg & CMD_SW_RESET) {
/* An MII PHY must be isolated to prevent TXC contention */
if (priv->phy_interface == PHY_INTERFACE_MODE_MII) {
ret = phy_read(phydev, MII_BMCR);
if (ret >= 0) {
bmcr = ret;
ret = phy_write(phydev, MII_BMCR,
bmcr | BMCR_ISOLATE);
}
if (ret) {
netdev_err(dev, "failed to isolate PHY\n");
return ret;
}
}
/* Switch MAC clocking to RGMII generated clock */
bcmgenet_sys_writel(priv, PORT_MODE_EXT_GPHY, SYS_PORT_CTRL);
/* Ensure 5 clks with Rx disabled
* followed by 5 clks with Reset asserted
*/
udelay(4);
reg &= ~(CMD_SW_RESET | CMD_LCL_LOOP_EN);
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
/* Ensure 5 more clocks before Rx is enabled */
udelay(2);
}
priv->ext_phy = !priv->internal_phy &&
(priv->phy_interface != PHY_INTERFACE_MODE_MOCA);
@ -254,6 +244,9 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
phy_set_max_speed(phydev, SPEED_100);
bcmgenet_sys_writel(priv,
PORT_MODE_EXT_EPHY, SYS_PORT_CTRL);
/* Restore the MII PHY after isolation */
if (bmcr >= 0)
phy_write(phydev, MII_BMCR, bmcr);
break;
case PHY_INTERFACE_MODE_REVMII:
@ -306,21 +299,71 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
}
if (init) {
linkmode_copy(phydev->advertising, phydev->supported);
/* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs. On GENETv5 there is a hardware issue
* that prevents the signaling of link UP interrupts when
* the link operates at 10Mbps, so fallback to polling for
* those versions of GENET.
*/
if (priv->internal_phy && !GENET_IS_V5(priv))
phydev->irq = PHY_IGNORE_INTERRUPT;
if (init)
dev_info(kdev, "configuring instance for %s\n", phy_name);
return 0;
}
int bcmgenet_mii_probe(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
struct phy_device *phydev;
u32 phy_flags = 0;
int ret;
/* Communicate the integrated PHY revision */
if (priv->internal_phy)
phy_flags = priv->gphy_rev;
/* Initialize link state variables that bcmgenet_mii_setup() uses */
priv->old_link = -1;
priv->old_speed = -1;
priv->old_duplex = -1;
priv->old_pause = -1;
if (dn) {
phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup,
phy_flags, priv->phy_interface);
if (!phydev) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
} else {
phydev = dev->phydev;
phydev->dev_flags = phy_flags;
ret = phy_connect_direct(dev, phydev, bcmgenet_mii_setup,
priv->phy_interface);
if (ret) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
}
/* Configure port multiplexer based on what the probed PHY device since
* reading the 'max-speed' property determines the maximum supported
* PHY speed which is needed for bcmgenet_mii_config() to configure
* things appropriately.
*/
ret = bcmgenet_mii_config(dev, true);
if (ret) {
phy_disconnect(dev->phydev);
return ret;
}
linkmode_copy(phydev->advertising, phydev->supported);
/* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs. On GENETv5 there is a hardware issue
* that prevents the signaling of link UP interrupts when
* the link operates at 10Mbps, so fallback to polling for
* those versions of GENET.
*/
if (priv->internal_phy && !GENET_IS_V5(priv))
dev->phydev->irq = PHY_IGNORE_INTERRUPT;
return 0;
}