ipq40xx: edma: convert to of_mdio_find_bus()

[openwrt/staging/chunkeey.git] / target / linux / ipq40xx / files / drivers / net / ethernet / qualcomm / essedma / edma_axi.c

diff --git a/target/linux/ipq40xx/files/drivers/net/ethernet/qualcomm/essedma/edma_axi.c b/target/linux/ipq40xx/files/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
index 68718de9f453f2d002952f20079300648ed929fb..af55ee4dd551113b695238aa6832777fbe6be939 100644 (file)
--- a/target/linux/ipq40xx/files/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
+++ b/target/linux/ipq40xx/files/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
@@ -19,6 +19,7 @@
 #include <linux/timer.h>
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
+#include <linux/of_mdio.h>
 #include <linux/clk.h>
 #include <linux/string.h>
 #include <linux/reset.h>
@@ -713,9 +714,7 @@ static int edma_axi_probe(struct platform_device *pdev)
        struct device_node *np = pdev->dev.of_node;
        struct device_node *pnp;
        struct device_node *mdio_node = NULL;
-       struct platform_device *mdio_plat = NULL;
        struct mii_bus *miibus = NULL;
-       struct edma_mdio_data *mdio_data = NULL;
        int i, j, k, err = 0;
        int portid_bmp;
        int idx = 0, idx_mac = 0;
@@ -889,25 +888,9 @@ static int edma_axi_probe(struct platform_device *pdev)
                        goto err_mdiobus_init_fail;
                }
 
-               mdio_plat = of_find_device_by_node(mdio_node);
-               if (!mdio_plat) {
-                       dev_err(&pdev->dev,
-                               "cannot find platform device from mdio node");
-                       of_node_put(mdio_node);
-                       err = -EIO;
-                       goto err_mdiobus_init_fail;
-               }
-
-               mdio_data = dev_get_drvdata(&mdio_plat->dev);
-               if (!mdio_data) {
-                       dev_err(&pdev->dev,
-                               "cannot get mii bus reference from device data");
-                       of_node_put(mdio_node);
-                       err = -EIO;
-                       goto err_mdiobus_init_fail;
-               }
-
-               miibus = mdio_data->mii_bus;
+               miibus = of_mdio_find_bus(mdio_node);
+               if (!miibus)
+                       return -EINVAL;
        }
 
        if (of_property_read_bool(np, "qcom,single-phy") &&