diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index b4168df..3893f50 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1025,7 +1025,7 @@
 		}
 
 		if ((edev = DEVICE_EISA(gendev))) {
-			print_name = edev->dev.bus_id;
+			print_name = dev_name(&edev->dev);
 		}
 	}
 
@@ -2883,7 +2883,7 @@
 		strcpy(info->bus_info, pci_name(VORTEX_PCI(vp)));
 	} else {
 		if (VORTEX_EISA(vp))
-			sprintf(info->bus_info, vp->gendev->bus_id);
+			sprintf(info->bus_info, dev_name(vp->gendev));
 		else
 			sprintf(info->bus_info, "EISA 0x%lx %d",
 					dev->base_addr, dev->irq);
diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c
index f078874..6e6583b 100644
--- a/drivers/net/defxx.c
+++ b/drivers/net/defxx.c
@@ -511,7 +511,7 @@
 	int dfx_bus_pci = DFX_BUS_PCI(bdev);
 	int dfx_bus_tc = DFX_BUS_TC(bdev);
 	int dfx_use_mmio = DFX_MMIO || dfx_bus_tc;
-	char *print_name = bdev->bus_id;
+	const char *print_name = dev_name(bdev);
 	struct net_device *dev;
 	DFX_board_t	  *bp;			/* board pointer */
 	resource_size_t bar_start = 0;		/* pointer to port */
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index d186a52..32c1979 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -1448,7 +1448,7 @@
 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 	strlcpy(info->bus_info,
-		dev->dev.parent->bus_id, sizeof(info->bus_info));
+		dev_name(dev->dev.parent), sizeof(info->bus_info));
 }
 
 static int
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 94054b4..cd8e98b 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -216,7 +216,7 @@
 	struct phy_device *phydev;
 	char phy_id[BUS_ID_SIZE];
 
-	snprintf(phy_id, BUS_ID_SIZE, "%x:%02x",
+	snprintf(phy_id, sizeof(phy_id), "%x:%02x",
 			(unsigned int)dev->base_addr, priv->phy_addr);
 
 	priv->link = PHY_DOWN;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index a091db3..451f6b8 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -546,7 +546,7 @@
 	priv->oldspeed = 0;
 	priv->oldduplex = -1;
 
-	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id);
+	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id);
 
 	interface = gfar_get_interface(dev);
 
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 11fb17c..cc02219 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -58,17 +58,17 @@
 #define mlx4_dbg(mlevel, priv, format, arg...)	\
 	if (NETIF_MSG_##mlevel & priv->msg_enable) \
 	printk(KERN_DEBUG "%s %s: " format , DRV_NAME ,\
-		(&priv->mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&priv->mdev->pdev->dev)) , ## arg)
 
 #define mlx4_err(mdev, format, arg...) \
 	printk(KERN_ERR "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 #define mlx4_info(mdev, format, arg...) \
 	printk(KERN_INFO "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 #define mlx4_warn(mdev, format, arg...) \
 	printk(KERN_WARNING "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 
 /*
  * Device constants
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index b0270052..fcbf6cc 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -1105,7 +1105,8 @@
 		goto err;
 
 	phy_id = *prop;
-	snprintf(mac->phy_id, BUS_ID_SIZE, "%x:%02x", (int)r.start, phy_id);
+	snprintf(mac->phy_id, sizeof(mac->phy_id), "%x:%02x",
+		 (int)r.start, phy_id);
 
 	of_node_put(phy_dn);
 
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index d0ed1ef..6afd35f 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -97,7 +97,7 @@
 	bus->dev.parent = bus->parent;
 	bus->dev.class = &mdio_bus_class;
 	bus->dev.groups = NULL;
-	memcpy(bus->dev.bus_id, bus->id, MII_BUS_ID_SIZE);
+	dev_set_name(&bus->dev, bus->id);
 
 	err = device_register(&bus->dev);
 	if (err) {
@@ -191,7 +191,7 @@
 
 	phydev->dev.parent = bus->parent;
 	phydev->dev.bus = &mdio_bus_type;
-	snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, addr);
+	dev_set_name(&phydev->dev, PHY_ID_FMT, bus->id, addr);
 
 	phydev->bus = bus;
 
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index df4e625..e4ede60 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -45,7 +45,7 @@
  */
 void phy_print_status(struct phy_device *phydev)
 {
-	pr_info("PHY: %s - Link is %s", phydev->dev.bus_id,
+	pr_info("PHY: %s - Link is %s", dev_name(&phydev->dev),
 			phydev->link ? "Up" : "Down");
 	if (phydev->link)
 		printk(" - %d/%s", phydev->speed,
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index e11b03b..e976c1c 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -74,7 +74,7 @@
 	if (!fixup)
 		return -ENOMEM;
 
-	strncpy(fixup->bus_id, bus_id, BUS_ID_SIZE);
+	strlcpy(fixup->bus_id, bus_id, sizeof(fixup->bus_id));
 	fixup->phy_uid = phy_uid;
 	fixup->phy_uid_mask = phy_uid_mask;
 	fixup->run = run;
@@ -109,7 +109,7 @@
  */
 static int phy_needs_fixup(struct phy_device *phydev, struct phy_fixup *fixup)
 {
-	if (strcmp(fixup->bus_id, phydev->dev.bus_id) != 0)
+	if (strcmp(fixup->bus_id, dev_name(&phydev->dev)) != 0)
 		if (strcmp(fixup->bus_id, PHY_ANY_ID) != 0)
 			return 0;
 
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index c51bfc5..077d796 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -799,7 +799,7 @@
 	char phy_id[BUS_ID_SIZE];
 	struct phy_device *phydev = NULL;
 
-	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT,
+	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
 		mdp->mii_bus->id , mdp->phy_id);
 
 	mdp->link = PHY_DOWN;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 546b9ee..e05849e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1396,7 +1396,7 @@
 	phydev = tp->mdio_bus->phy_map[PHY_ADDR];
 
 	/* Attach the MAC to the PHY. */
-	phydev = phy_connect(tp->dev, phydev->dev.bus_id, tg3_adjust_link,
+	phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
 			     phydev->dev_flags, phydev->interface);
 	if (IS_ERR(phydev)) {
 		printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
@@ -13645,7 +13645,7 @@
 		       "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
 		       tp->dev->name,
 		       tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
-		       tp->mdio_bus->phy_map[PHY_ADDR]->dev.bus_id);
+		       dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
 	else
 		printk(KERN_INFO
 		       "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index f8a4525..67bfd6f 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -1118,7 +1118,7 @@
     }
 
     dev->base_addr = iobase;
-    printk ("%s: %s at 0x%04lx", gendev->bus_id, name, iobase);
+    printk ("%s: %s at 0x%04lx", dev_name(gendev), name, iobase);
 
     status = get_hw_addr(dev);
     printk(", h/w address %pM\n", dev->dev_addr);
@@ -1153,7 +1153,7 @@
             }
         }
 	lp->fdx = lp->params.fdx;
-	sprintf(lp->adapter_name,"%s (%s)", name, gendev->bus_id);
+	sprintf(lp->adapter_name,"%s (%s)", name, dev_name(gendev));
 
 	lp->dma_size = (NUM_RX_DESC + NUM_TX_DESC) * sizeof(struct de4x5_desc);
 #if defined(__alpha__) || defined(__powerpc__) || defined(CONFIG_SPARC) || defined(DE4X5_DO_MEMCPY)
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 4931af7..0a5b817 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -1615,8 +1615,8 @@
 	priv->oldspeed = 0;
 	priv->oldduplex = -1;
 
-	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->ug_info->mdio_bus,
-			priv->ug_info->phy_address);
+	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
+		 priv->ug_info->phy_address);
 
 	phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
 
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 076a636..2d4666f 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -79,7 +79,7 @@
 #define lbs_deb_tx(fmt, args...)        LBS_DEB_LL(LBS_DEB_TX, " tx", fmt, ##args)
 #define lbs_deb_fw(fmt, args...)        LBS_DEB_LL(LBS_DEB_FW, " fw", fmt, ##args)
 #define lbs_deb_usb(fmt, args...)       LBS_DEB_LL(LBS_DEB_USB, " usb", fmt, ##args)
-#define lbs_deb_usbd(dev, fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usbd", "%s:" fmt, (dev)->bus_id, ##args)
+#define lbs_deb_usbd(dev, fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usbd", "%s:" fmt, dev_name(dev), ##args)
 #define lbs_deb_cs(fmt, args...)        LBS_DEB_LL(LBS_DEB_CS, " cs", fmt, ##args)
 #define lbs_deb_thread(fmt, args...)    LBS_DEB_LL(LBS_DEB_THREAD, " thread", fmt, ##args)
 #define lbs_deb_sdio(fmt, args...)      LBS_DEB_LL(LBS_DEB_SDIO, " sdio", fmt, ##args)
diff --git a/drivers/net/wireless/orinoco/orinoco.c b/drivers/net/wireless/orinoco/orinoco.c
index f4ea08f..072be44 100644
--- a/drivers/net/wireless/orinoco/orinoco.c
+++ b/drivers/net/wireless/orinoco/orinoco.c
@@ -5987,7 +5987,7 @@
 	strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1);
 	strncpy(info->fw_version, priv->fw_name, sizeof(info->fw_version) - 1);
 	if (dev->dev.parent)
-		strncpy(info->bus_info, dev->dev.parent->bus_id,
+		strncpy(info->bus_info, dev_name(dev->dev.parent),
 			sizeof(info->bus_info) - 1);
 	else
 		snprintf(info->bus_info, sizeof(info->bus_info) - 1,
diff --git a/drivers/net/wireless/orinoco/orinoco_cs.c b/drivers/net/wireless/orinoco/orinoco_cs.c
index 6fcf2bd..bf6a51d 100644
--- a/drivers/net/wireless/orinoco/orinoco_cs.c
+++ b/drivers/net/wireless/orinoco/orinoco_cs.c
@@ -308,7 +308,7 @@
 
 	/* Finally, report what we've done */
 	printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io "
-	       "0x%04x-0x%04x\n", dev->name, dev->dev.parent->bus_id,
+	       "0x%04x-0x%04x\n", dev->name, dev_name(dev->dev.parent),
 	       link->irq.AssignedIRQ, link->io.BasePort1,
 	       link->io.BasePort1 + link->io.NumPorts1 - 1);
 	return 0;
diff --git a/drivers/net/wireless/orinoco/spectrum_cs.c b/drivers/net/wireless/orinoco/spectrum_cs.c
index 852789a..0bae3dc 100644
--- a/drivers/net/wireless/orinoco/spectrum_cs.c
+++ b/drivers/net/wireless/orinoco/spectrum_cs.c
@@ -383,7 +383,7 @@
 
 	/* Finally, report what we've done */
 	printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io "
-	       "0x%04x-0x%04x\n", dev->name, dev->dev.parent->bus_id,
+	       "0x%04x-0x%04x\n", dev->name, dev_name(dev->dev.parent),
 	       link->irq.AssignedIRQ, link->io.BasePort1,
 	       link->io.BasePort1 + link->io.NumPorts1 - 1);
 
diff --git a/include/net/wireless.h b/include/net/wireless.h
index 17d4b58..4123515 100644
--- a/include/net/wireless.h
+++ b/include/net/wireless.h
@@ -263,9 +263,9 @@
 /**
  * wiphy_name - get wiphy name
  */
-static inline char *wiphy_name(struct wiphy *wiphy)
+static inline const char *wiphy_name(struct wiphy *wiphy)
 {
-	return wiphy->dev.bus_id;
+	return dev_name(&wiphy->dev);
 }
 
 /**
diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c
index 1b88311..b5674dc 100644
--- a/net/atm/atm_sysfs.c
+++ b/net/atm/atm_sysfs.c
@@ -149,7 +149,7 @@
 	cdev->class = &atm_class;
 	dev_set_drvdata(cdev, adev);
 
-	snprintf(cdev->bus_id, BUS_ID_SIZE, "%s%d", adev->type, adev->number);
+	dev_set_name(cdev, "%s%d", adev->type, adev->number);
 	err = device_register(cdev);
 	if (err < 0)
 		return err;
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index f4f6615..f2bbb2f 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -113,8 +113,7 @@
 	conn->dev.class = bt_class;
 	conn->dev.parent = &hdev->dev;
 
-	snprintf(conn->dev.bus_id, BUS_ID_SIZE, "%s:%d",
-					hdev->name, conn->handle);
+	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
 
 	dev_set_drvdata(&conn->dev, conn);
 
@@ -132,7 +131,7 @@
  */
 static int __match_tty(struct device *dev, void *data)
 {
-	return !strncmp(dev->bus_id, "rfcomm", 6);
+	return !strncmp(dev_name(dev), "rfcomm", 6);
 }
 
 static void del_conn(struct work_struct *work)
@@ -421,7 +420,7 @@
 	dev->class = bt_class;
 	dev->parent = hdev->parent;
 
-	strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
+	dev_set_name(dev, hdev->name);
 
 	dev_set_drvdata(dev, hdev);
 
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 85cb8bd..146dcfe 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -494,7 +494,7 @@
 	dev->groups = groups;
 
 	BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ);
-	strlcpy(dev->bus_id, net->name, BUS_ID_SIZE);
+	dev_set_name(dev, net->name);
 
 #ifdef CONFIG_SYSFS
 	*groups++ = &netstat_group;
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 3761688..7384bad 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -284,7 +284,7 @@
 	netif_carrier_off(slave_dev);
 
 	if (p->phy != NULL) {
-		phy_attach(slave_dev, p->phy->dev.bus_id,
+		phy_attach(slave_dev, dev_name(&p->phy->dev),
 			   0, PHY_INTERFACE_MODE_GMII);
 
 		p->phy->autoneg = AUTONEG_ENABLE;
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 69f3a3b..ec26eae 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -774,7 +774,7 @@
 	int error;
 
 	if (!rfkill->led_trigger.name)
-		rfkill->led_trigger.name = rfkill->dev.bus_id;
+		rfkill->led_trigger.name = dev_name(&rfkill->dev);
 	if (!rfkill->led_trigger.activate)
 		rfkill->led_trigger.activate = rfkill_led_trigger_activate;
 	error = led_trigger_register(&rfkill->led_trigger);
@@ -815,8 +815,7 @@
 			"badly initialized rfkill struct\n"))
 		return -EINVAL;
 
-	snprintf(dev->bus_id, sizeof(dev->bus_id),
-		 "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
+	dev_set_name(dev, "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
 
 	rfkill_led_trigger_register(rfkill);
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 72825af..39e3d10 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -236,8 +236,7 @@
 	mutex_unlock(&cfg80211_drv_mutex);
 
 	/* give it a proper name */
-	snprintf(drv->wiphy.dev.bus_id, BUS_ID_SIZE,
-		 PHY_NAME "%d", drv->idx);
+	dev_set_name(&drv->wiphy.dev, PHY_NAME "%d", drv->idx);
 
 	mutex_init(&drv->mtx);
 	mutex_init(&drv->devlist_mtx);