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Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c19
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c10
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c6
4 files changed, 22 insertions, 15 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index 2cd6fce5c993..9e40c28d453a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -59,26 +59,19 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
return -ENODEV;
}
- if (!of_device_is_compatible(np, "loongson, pci-gmac")) {
- pr_info("dwmac_loongson_pci: Incompatible OF node\n");
- return -ENODEV;
- }
-
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return -ENOMEM;
+ plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
+ sizeof(*plat->mdio_bus_data),
+ GFP_KERNEL);
+ if (!plat->mdio_bus_data)
+ return -ENOMEM;
+
plat->mdio_node = of_get_child_by_name(np, "mdio");
if (plat->mdio_node) {
dev_info(&pdev->dev, "Found MDIO subnode\n");
-
- plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
- sizeof(*plat->mdio_bus_data),
- GFP_KERNEL);
- if (!plat->mdio_bus_data) {
- ret = -ENOMEM;
- goto err_put_node;
- }
plat->mdio_bus_data->needs_reset = true;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index d3bf42d0fceb..31631e3f89d0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -34,6 +34,7 @@
#define RGMII_CONFIG_LOOPBACK_EN BIT(2)
#define RGMII_CONFIG_PROG_SWAP BIT(1)
#define RGMII_CONFIG_DDR_MODE BIT(0)
+#define RGMII_CONFIG_SGMII_CLK_DVDR GENMASK(18, 10)
/* SDCC_HC_REG_DLL_CONFIG fields */
#define SDCC_DLL_CONFIG_DLL_RST BIT(30)
@@ -78,6 +79,8 @@
#define ETHQOS_MAC_CTRL_SPEED_MODE BIT(14)
#define ETHQOS_MAC_CTRL_PORT_SEL BIT(15)
+#define SGMII_10M_RX_CLK_DVDR 0x31
+
struct ethqos_emac_por {
unsigned int offset;
unsigned int value;
@@ -598,6 +601,9 @@ static int ethqos_configure_rgmii(struct qcom_ethqos *ethqos)
return 0;
}
+/* On interface toggle MAC registers gets reset.
+ * Configure MAC block for SGMII on ethernet phy link up
+ */
static int ethqos_configure_sgmii(struct qcom_ethqos *ethqos)
{
int val;
@@ -617,6 +623,10 @@ static int ethqos_configure_sgmii(struct qcom_ethqos *ethqos)
case SPEED_10:
val |= ETHQOS_MAC_CTRL_PORT_SEL;
val &= ~ETHQOS_MAC_CTRL_SPEED_MODE;
+ rgmii_updatel(ethqos, RGMII_CONFIG_SGMII_CLK_DVDR,
+ FIELD_PREP(RGMII_CONFIG_SGMII_CLK_DVDR,
+ SGMII_10M_RX_CLK_DVDR),
+ RGMII_IO_MACRO_CONFIG);
break;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index 540f6a4ec0b8..f05bd757dfe5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -237,7 +237,7 @@ static void timestamp_interrupt(struct stmmac_priv *priv)
*/
ts_status = readl(priv->ioaddr + GMAC_TIMESTAMP_STATUS);
- if (priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN)
+ if (!(priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN))
return;
num_snapshot = (ts_status & GMAC_TIMESTAMP_ATSNS_MASK) >>
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index fa9e7e7040b9..0542cfd1817e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -591,7 +591,11 @@ int stmmac_mdio_register(struct net_device *ndev)
new_bus->parent = priv->device;
err = of_mdiobus_register(new_bus, mdio_node);
- if (err != 0) {
+ if (err == -ENODEV) {
+ err = 0;
+ dev_info(dev, "MDIO bus is disabled\n");
+ goto bus_register_fail;
+ } else if (err) {
dev_err_probe(dev, err, "Cannot register the MDIO bus\n");
goto bus_register_fail;
}