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path: root/drivers/net/ethernet/freescale/xgmac_mdio.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/xgmac_mdio.c')
-rw-r--r--drivers/net/ethernet/freescale/xgmac_mdio.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index c82c85ef5fb3..98be51d8b08c 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -245,14 +245,19 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct mii_bus *bus;
- struct resource res;
+ struct resource *res;
struct mdio_fsl_priv *priv;
int ret;
- ret = of_address_to_resource(np, 0, &res);
- if (ret) {
+ /* In DPAA-1, MDIO is one of the many FMan sub-devices. The FMan
+ * defines a register space that spans a large area, covering all the
+ * subdevice areas. Therefore, MDIO cannot claim exclusive access to
+ * this register area.
+ */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
dev_err(&pdev->dev, "could not obtain address\n");
- return ret;
+ return -EINVAL;
}
bus = mdiobus_alloc_size(sizeof(struct mdio_fsl_priv));
@@ -263,21 +268,22 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
bus->read = xgmac_mdio_read;
bus->write = xgmac_mdio_write;
bus->parent = &pdev->dev;
- snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res.start);
+ bus->probe_capabilities = MDIOBUS_C22_C45;
+ snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res->start);
/* Set the PHY base address */
priv = bus->priv;
- priv->mdio_base = of_iomap(np, 0);
+ priv->mdio_base = ioremap(res->start, resource_size(res));
if (!priv->mdio_base) {
ret = -ENOMEM;
goto err_ioremap;
}
- priv->is_little_endian = of_property_read_bool(pdev->dev.of_node,
- "little-endian");
+ priv->is_little_endian = device_property_read_bool(&pdev->dev,
+ "little-endian");
- priv->has_a011043 = of_property_read_bool(pdev->dev.of_node,
- "fsl,erratum-a011043");
+ priv->has_a011043 = device_property_read_bool(&pdev->dev,
+ "fsl,erratum-a011043");
ret = of_mdiobus_register(bus, np);
if (ret) {
@@ -320,10 +326,17 @@ static const struct of_device_id xgmac_mdio_match[] = {
};
MODULE_DEVICE_TABLE(of, xgmac_mdio_match);
+static const struct acpi_device_id xgmac_acpi_match[] = {
+ { "NXP0006" },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, xgmac_acpi_match);
+
static struct platform_driver xgmac_mdio_driver = {
.driver = {
.name = "fsl-fman_xmdio",
.of_match_table = xgmac_mdio_match,
+ .acpi_match_table = xgmac_acpi_match,
},
.probe = xgmac_mdio_probe,
.remove = xgmac_mdio_remove,