10 files changed, 42 insertions, 32 deletions

diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 3ec6e8e8d368..f5b00f41c4f6 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -499,7 +499,7 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
 
         d->netdev = &orion_ge00.dev;
         for (i = 0; i < d->nr_chips; i++)
-                d->chip[i].mii_bus = &orion_ge00_shared.dev;
+                d->chip[i].host_dev = &orion_ge00_shared.dev;
         orion_switch_device.dev.platform_data = d;
 
         platform_device_register(&orion_switch_device);
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index e9918c7f1792..02d7db320d90 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -129,7 +129,7 @@ static int bcm_sf2_sw_get_sset_count(struct dsa_switch *ds)
         return BCM_SF2_STATS_SIZE;
 }
 
-static char *bcm_sf2_sw_probe(struct mii_bus *bus, int sw_addr)
+static char *bcm_sf2_sw_probe(struct device *host_dev, int sw_addr)
 {
         return "Broadcom Starfighter 2";
 }
diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index d8037c1055ac..776e965dc9f4 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -21,7 +21,8 @@
 
 static int reg_read(struct dsa_switch *ds, int addr, int reg)
 {
-        return mdiobus_read(ds->master_mii_bus, ds->pd->sw_addr + addr, reg);
+        return mdiobus_read(to_mii_bus(ds->master_dev),
+                            ds->pd->sw_addr + addr, reg);
 }
 
 #define REG_READ(addr, reg)                                     \
@@ -37,8 +38,8 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg)
 
 static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
 {
-        return mdiobus_write(ds->master_mii_bus, ds->pd->sw_addr + addr,
-                             reg, val);
+        return mdiobus_write(to_mii_bus(ds->master_dev),
+                             ds->pd->sw_addr + addr, reg, val);
 }
 
 #define REG_WRITE(addr, reg, val)                               \
@@ -50,10 +51,14 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
                         return __ret;                           \
         })
 
-static char *mv88e6060_probe(struct mii_bus *bus, int sw_addr)
+static char *mv88e6060_probe(struct device *host_dev, int sw_addr)
 {
+        struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
         int ret;
 
+        if (bus == NULL)
+                return NULL;
+
         ret = mdiobus_read(bus, sw_addr + REG_PORT(0), 0x03);
         if (ret >= 0) {
                 ret &= 0xfff0;
diff --git a/drivers/net/dsa/mv88e6123_61_65.c b/drivers/net/dsa/mv88e6123_61_65.c
index 975774f338c2..a332c53ff955 100644
--- a/drivers/net/dsa/mv88e6123_61_65.c
+++ b/drivers/net/dsa/mv88e6123_61_65.c
@@ -17,10 +17,14 @@
 #include <net/dsa.h>
 #include "mv88e6xxx.h"
 
-static char *mv88e6123_61_65_probe(struct mii_bus *bus, int sw_addr)
+static char *mv88e6123_61_65_probe(struct device *host_dev, int sw_addr)
 {
+        struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
         int ret;
 
+        if (bus == NULL)
+                return NULL;
+
         ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
         if (ret >= 0) {
                 if (ret == 0x1212)
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 35541f2ceca3..244c735014fa 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -22,10 +22,14 @@
 #define ID_6095         0x0950
 #define ID_6131         0x1060
 
-static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
+static char *mv88e6131_probe(struct device *host_dev, int sw_addr)
 {
+        struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
         int ret;
 
+        if (bus == NULL)
+                return NULL;
+
         ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
         if (ret >= 0) {
                 ret &= 0xfff0;
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 03a70069a8c6..6365e30138af 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -17,10 +17,14 @@
 #include <net/dsa.h>
 #include "mv88e6xxx.h"
 
-static char *mv88e6171_probe(struct mii_bus *bus, int sw_addr)
+static char *mv88e6171_probe(struct device *host_dev, int sw_addr)
 {
+        struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
         int ret;
 
+        if (bus == NULL)
+                return NULL;
+
         ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
         if (ret >= 0) {
                 if ((ret & 0xfff0) == 0x1710)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 901d2a9704ef..d6f6428b27dc 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -78,7 +78,7 @@ int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg)
         int ret;
 
         mutex_lock(&ps->smi_mutex);
-        ret = __mv88e6xxx_reg_read(ds->master_mii_bus,
+        ret = __mv88e6xxx_reg_read(to_mii_bus(ds->master_dev),
                                    ds->pd->sw_addr, addr, reg);
         mutex_unlock(&ps->smi_mutex);
 
@@ -122,7 +122,7 @@ int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
         int ret;
 
         mutex_lock(&ps->smi_mutex);
-        ret = __mv88e6xxx_reg_write(ds->master_mii_bus,
+        ret = __mv88e6xxx_reg_write(to_mii_bus(ds->master_dev),
                                     ds->pd->sw_addr, addr, reg, val);
         mutex_unlock(&ps->smi_mutex);
 
diff --git a/include/net/dsa.h b/include/net/dsa.h
index a55c4e6a4f0f..c779e9bba1b3 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -34,7 +34,7 @@ struct dsa_chip_data {
         /*
          * How to access the switch configuration registers.
          */
-        struct device   *mii_bus;
+        struct device   *host_dev;
         int             sw_addr;
 
         /* Device tree node pointer for this specific switch chip
@@ -134,9 +134,9 @@ struct dsa_switch {
         struct dsa_switch_driver        *drv;
 
         /*
-         * Reference to mii bus to use.
+         * Reference to host device to use.
          */
-        struct mii_bus          *master_mii_bus;
+        struct device           *master_dev;
 
         /*
          * Slave mii_bus and devices for the individual ports.
@@ -178,7 +178,7 @@ struct dsa_switch_driver {
         /*
          * Probing and setup.
          */
-        char    *(*probe)(struct mii_bus *bus, int sw_addr);
+        char    *(*probe)(struct device *host_dev, int sw_addr);
         int     (*setup)(struct dsa_switch *ds);
         int     (*set_addr)(struct dsa_switch *ds, u8 *addr);
 
@@ -213,6 +213,7 @@ struct dsa_switch_driver {
 
 void register_switch_driver(struct dsa_switch_driver *type);
 void unregister_switch_driver(struct dsa_switch_driver *type);
+struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev);
 
 static inline void *ds_to_priv(struct dsa_switch *ds)
 {
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 1df0a7cf1e9e..b34d6978d773 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -43,7 +43,7 @@ void unregister_switch_driver(struct dsa_switch_driver *drv)
 EXPORT_SYMBOL_GPL(unregister_switch_driver);
 
 static struct dsa_switch_driver *
-dsa_switch_probe(struct mii_bus *bus, int sw_addr, char **_name)
+dsa_switch_probe(struct device *host_dev, int sw_addr, char **_name)
 {
         struct dsa_switch_driver *ret;
         struct list_head *list;
@@ -58,7 +58,7 @@ dsa_switch_probe(struct mii_bus *bus, int sw_addr, char **_name)
 
                 drv = list_entry(list, struct dsa_switch_driver, list);
 
-                name = drv->probe(bus, sw_addr);
+                name = drv->probe(host_dev, sw_addr);
                 if (name != NULL) {
                         ret = drv;
                         break;
@@ -75,7 +75,7 @@ dsa_switch_probe(struct mii_bus *bus, int sw_addr, char **_name)
 /* basic switch operations **************************************************/
 static struct dsa_switch *
 dsa_switch_setup(struct dsa_switch_tree *dst, int index,
-                 struct device *parent, struct mii_bus *bus)
+                 struct device *parent, struct device *host_dev)
 {
         struct dsa_chip_data *pd = dst->pd->chip + index;
         struct dsa_switch_driver *drv;
@@ -88,7 +88,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
         /*
          * Probe for switch model.
          */
-        drv = dsa_switch_probe(bus, pd->sw_addr, &name);
+        drv = dsa_switch_probe(host_dev, pd->sw_addr, &name);
         if (drv == NULL) {
                 printk(KERN_ERR "%s[%d]: could not detect attached switch\n",
                        dst->master_netdev->name, index);
@@ -109,8 +109,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
         ds->index = index;
         ds->pd = dst->pd->chip + index;
         ds->drv = drv;
-        ds->master_mii_bus = bus;
-
+        ds->master_dev = host_dev;
 
         /*
          * Validate supplied switch configuration.
@@ -285,7 +284,7 @@ static struct device *dev_find_class(struct device *parent, char *class)
         return device_find_child(parent, class, dev_is_class);
 }
 
-static struct mii_bus *dev_to_mii_bus(struct device *dev)
+struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev)
 {
         struct device *d;
 
@@ -301,6 +300,7 @@ static struct mii_bus *dev_to_mii_bus(struct device *dev)
 
         return NULL;
 }
+EXPORT_SYMBOL_GPL(dsa_host_dev_to_mii_bus);
 
 static struct net_device *dev_to_net_device(struct device *dev)
 {
@@ -566,17 +566,9 @@ static int dsa_probe(struct platform_device *pdev)
         dst->cpu_port = -1;
 
         for (i = 0; i < pd->nr_chips; i++) {
-                struct mii_bus *bus;
                 struct dsa_switch *ds;
 
-                bus = dev_to_mii_bus(pd->chip[i].mii_bus);
-                if (bus == NULL) {
-                        printk(KERN_ERR "%s[%d]: no mii bus found for "
-                                "dsa switch\n", dev->name, i);
-                        continue;
-                }
-
-                ds = dsa_switch_setup(dst, i, &pdev->dev, bus);
+                ds = dsa_switch_setup(dst, i, &pdev->dev, pd->chip[i].host_dev);
                 if (IS_ERR(ds)) {
                         printk(KERN_ERR "%s[%d]: couldn't create dsa switch "
                                 "instance (error %ld)\n", dev->name, i,
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index e38a331111c0..90c9689ed362 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -44,7 +44,7 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
         ds->slave_mii_bus->write = dsa_slave_phy_write;
         snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d:%.2x",
                         ds->index, ds->pd->sw_addr);
-        ds->slave_mii_bus->parent = &ds->master_mii_bus->dev;
+        ds->slave_mii_bus->parent = ds->master_dev;
 }