net: Rework fs_enet driver to use of_mdio infrastructure

This patch simplifies the driver by making use of more common code.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 27 deletions

diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c
index 49b6645d7e0c..93b481b0e3c7 100644
--- a/drivers/net/fs_enet/mii-bitbang.c
+++ b/drivers/net/fs_enet/mii-bitbang.c
@@ -22,6 +22,7 @@
 #include <linux/mii.h>
 #include <linux/platform_device.h>
 #include <linux/mdio-bitbang.h>
+#include <linux/of_mdio.h>
 #include <linux/of_platform.h>
 
 #include "fs_enet.h"
@@ -149,31 +150,12 @@ static int __devinit fs_mii_bitbang_init(struct mii_bus *bus,
         return 0;
 }
 
-static void __devinit add_phy(struct mii_bus *bus, struct device_node *np)
-{
-        const u32 *data;
-        int len, id, irq;
-
-        data = of_get_property(np, "reg", &len);
-        if (!data || len != 4)
-                return;
-
-        id = *data;
-        bus->phy_mask &= ~(1 << id);
-
-        irq = of_irq_to_resource(np, 0, NULL);
-        if (irq != NO_IRQ)
-                bus->irq[id] = irq;
-}
-
 static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
                                         const struct of_device_id *match)
 {
-        struct device_node *np = NULL;
         struct mii_bus *new_bus;
         struct bb_info *bitbang;
         int ret = -ENOMEM;
-        int i;
 
         bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL);
         if (!bitbang)
@@ -196,17 +178,10 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev,
         if (!new_bus->irq)
                 goto out_unmap_regs;
 
-        for (i = 0; i < PHY_MAX_ADDR; i++)
-                new_bus->irq[i] = -1;
-
-        while ((np = of_get_next_child(ofdev->node, np)))
-                if (!strcmp(np->type, "ethernet-phy"))
-                        add_phy(new_bus, np);
-
         new_bus->parent = &ofdev->dev;
         dev_set_drvdata(&ofdev->dev, new_bus);
 
-        ret = mdiobus_register(new_bus);
+        ret = of_mdiobus_register(new_bus, ofdev->node);
         if (ret)
                 goto out_free_irqs;