diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index e10d27a..6af2c0f 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -523,45 +523,49 @@
 	return err;
 }
 
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
-	struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
+	struct c2_dev *c2dev = container_of(dev, struct c2_dev, ibdev.dev);
 	pr_debug("%s:%u\n", __func__, __LINE__);
-	return sprintf(buf, "%x\n", dev->props.hw_ver);
+	return sprintf(buf, "%x\n", c2dev->props.hw_ver);
 }
 
-static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
-	struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
+	struct c2_dev *c2dev = container_of(dev, struct c2_dev, ibdev.dev);
 	pr_debug("%s:%u\n", __func__, __LINE__);
 	return sprintf(buf, "%x.%x.%x\n",
-		       (int) (dev->props.fw_ver >> 32),
-		       (int) (dev->props.fw_ver >> 16) & 0xffff,
-		       (int) (dev->props.fw_ver & 0xffff));
+		       (int) (c2dev->props.fw_ver >> 32),
+		       (int) (c2dev->props.fw_ver >> 16) & 0xffff,
+		       (int) (c2dev->props.fw_ver & 0xffff));
 }
 
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	pr_debug("%s:%u\n", __func__, __LINE__);
 	return sprintf(buf, "AMSO1100\n");
 }
 
-static ssize_t show_board(struct class_device *cdev, char *buf)
+static ssize_t show_board(struct device *dev, struct device_attribute *attr,
+			  char *buf)
 {
 	pr_debug("%s:%u\n", __func__, __LINE__);
 	return sprintf(buf, "%.*s\n", 32, "AMSO1100 Board ID");
 }
 
-static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
-static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
+static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
+static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
 
-static struct class_device_attribute *c2_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_fw_ver,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id
+static struct device_attribute *c2_dev_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_fw_ver,
+	&dev_attr_hca_type,
+	&dev_attr_board_id
 };
 
 static int c2_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
@@ -861,9 +865,9 @@
 	if (ret)
 		goto out1;
 
-	for (i = 0; i < ARRAY_SIZE(c2_class_attributes); ++i) {
-		ret = class_device_create_file(&dev->ibdev.class_dev,
-					       c2_class_attributes[i]);
+	for (i = 0; i < ARRAY_SIZE(c2_dev_attributes); ++i) {
+		ret = device_create_file(&dev->ibdev.dev,
+					       c2_dev_attributes[i]);
 		if (ret)
 			goto out0;
 	}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index ca72654..ab4695c 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1041,61 +1041,60 @@
 	return 0;
 }
 
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
-	struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
-					    ibdev.class_dev);
-	PDBG("%s class dev 0x%p\n", __func__, cdev);
-	return sprintf(buf, "%d\n", dev->rdev.t3cdev_p->type);
+	struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
+						 ibdev.dev);
+	PDBG("%s dev 0x%p\n", __func__, dev);
+	return sprintf(buf, "%d\n", iwch_dev->rdev.t3cdev_p->type);
 }
 
-static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
-					    ibdev.class_dev);
+	struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
+						 ibdev.dev);
 	struct ethtool_drvinfo info;
-	struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
+	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
-	PDBG("%s class dev 0x%p\n", __func__, cdev);
-	rtnl_lock();
+	PDBG("%s dev 0x%p\n", __func__, dev);
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
-	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.fw_version);
 }
 
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
-	struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
-					    ibdev.class_dev);
+	struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
+						 ibdev.dev);
 	struct ethtool_drvinfo info;
-	struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
+	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
-	PDBG("%s class dev 0x%p\n", __func__, cdev);
-	rtnl_lock();
+	PDBG("%s dev 0x%p\n", __func__, dev);
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
-	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.driver);
 }
 
-static ssize_t show_board(struct class_device *cdev, char *buf)
+static ssize_t show_board(struct device *dev, struct device_attribute *attr,
+			  char *buf)
 {
-	struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
-					    ibdev.class_dev);
-	PDBG("%s class dev 0x%p\n", __func__, dev);
-	return sprintf(buf, "%x.%x\n", dev->rdev.rnic_info.pdev->vendor,
-		                       dev->rdev.rnic_info.pdev->device);
+	struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
+						 ibdev.dev);
+	PDBG("%s dev 0x%p\n", __func__, dev);
+	return sprintf(buf, "%x.%x\n", iwch_dev->rdev.rnic_info.pdev->vendor,
+		       iwch_dev->rdev.rnic_info.pdev->device);
 }
 
-static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
-static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
+static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
+static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
 
-static struct class_device_attribute *iwch_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_fw_ver,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id
+static struct device_attribute *iwch_class_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_fw_ver,
+	&dev_attr_hca_type,
+	&dev_attr_board_id
 };
 
 int iwch_register_device(struct iwch_dev *dev)
@@ -1189,8 +1188,8 @@
 		goto bail1;
 
 	for (i = 0; i < ARRAY_SIZE(iwch_class_attributes); ++i) {
-		ret = class_device_create_file(&dev->ibdev.class_dev,
-					       iwch_class_attributes[i]);
+		ret = device_create_file(&dev->ibdev.dev,
+					 iwch_class_attributes[i]);
 		if (ret) {
 			goto bail2;
 		}
@@ -1208,8 +1207,8 @@
 
 	PDBG("%s iwch_dev %p\n", __func__, dev);
 	for (i = 0; i < ARRAY_SIZE(iwch_class_attributes); ++i)
-		class_device_remove_file(&dev->ibdev.class_dev,
-					 iwch_class_attributes[i]);
+		device_remove_file(&dev->ibdev.dev,
+				   iwch_class_attributes[i]);
 	ib_unregister_device(&dev->ibdev);
 	return;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 6d49d2f..d4ce8b6 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -79,7 +79,7 @@
 
 static atomic_t diagpkt_count = ATOMIC_INIT(0);
 static struct cdev *diagpkt_cdev;
-static struct class_device *diagpkt_class_dev;
+static struct device *diagpkt_dev;
 
 int ipath_diag_add(struct ipath_devdata *dd)
 {
@@ -89,7 +89,7 @@
 	if (atomic_inc_return(&diagpkt_count) == 1) {
 		ret = ipath_cdev_init(IPATH_DIAGPKT_MINOR,
 				      "ipath_diagpkt", &diagpkt_file_ops,
-				      &diagpkt_cdev, &diagpkt_class_dev);
+				      &diagpkt_cdev, &diagpkt_dev);
 
 		if (ret) {
 			ipath_dev_err(dd, "Couldn't create ipath_diagpkt "
@@ -102,7 +102,7 @@
 
 	ret = ipath_cdev_init(IPATH_DIAG_MINOR_BASE + dd->ipath_unit, name,
 			      &diag_file_ops, &dd->diag_cdev,
-			      &dd->diag_class_dev);
+			      &dd->diag_dev);
 	if (ret)
 		ipath_dev_err(dd, "Couldn't create %s device: %d",
 			      name, ret);
@@ -114,9 +114,9 @@
 void ipath_diag_remove(struct ipath_devdata *dd)
 {
 	if (atomic_dec_and_test(&diagpkt_count))
-		ipath_cdev_cleanup(&diagpkt_cdev, &diagpkt_class_dev);
+		ipath_cdev_cleanup(&diagpkt_cdev, &diagpkt_dev);
 
-	ipath_cdev_cleanup(&dd->diag_cdev, &dd->diag_class_dev);
+	ipath_cdev_cleanup(&dd->diag_cdev, &dd->diag_dev);
 }
 
 /**
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 1e627aa..8b17522 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -2434,11 +2434,11 @@
 static struct class *ipath_class;
 
 static int init_cdev(int minor, char *name, const struct file_operations *fops,
-		     struct cdev **cdevp, struct class_device **class_devp)
+		     struct cdev **cdevp, struct device **devp)
 {
 	const dev_t dev = MKDEV(IPATH_MAJOR, minor);
 	struct cdev *cdev = NULL;
-	struct class_device *class_dev = NULL;
+	struct device *device = NULL;
 	int ret;
 
 	cdev = cdev_alloc();
@@ -2462,12 +2462,12 @@
 		goto err_cdev;
 	}
 
-	class_dev = class_device_create(ipath_class, NULL, dev, NULL, name);
+	device = device_create(ipath_class, NULL, dev, name);
 
-	if (IS_ERR(class_dev)) {
-		ret = PTR_ERR(class_dev);
+	if (IS_ERR(device)) {
+		ret = PTR_ERR(device);
 		printk(KERN_ERR IPATH_DRV_NAME ": Could not create "
-		       "class_dev for minor %d, %s (err %d)\n",
+		       "device for minor %d, %s (err %d)\n",
 		       minor, name, -ret);
 		goto err_cdev;
 	}
@@ -2481,29 +2481,29 @@
 done:
 	if (ret >= 0) {
 		*cdevp = cdev;
-		*class_devp = class_dev;
+		*devp = device;
 	} else {
 		*cdevp = NULL;
-		*class_devp = NULL;
+		*devp = NULL;
 	}
 
 	return ret;
 }
 
 int ipath_cdev_init(int minor, char *name, const struct file_operations *fops,
-		    struct cdev **cdevp, struct class_device **class_devp)
+		    struct cdev **cdevp, struct device **devp)
 {
-	return init_cdev(minor, name, fops, cdevp, class_devp);
+	return init_cdev(minor, name, fops, cdevp, devp);
 }
 
 static void cleanup_cdev(struct cdev **cdevp,
-			 struct class_device **class_devp)
+			 struct device **devp)
 {
-	struct class_device *class_dev = *class_devp;
+	struct device *dev = *devp;
 
-	if (class_dev) {
-		class_device_unregister(class_dev);
-		*class_devp = NULL;
+	if (dev) {
+		device_unregister(dev);
+		*devp = NULL;
 	}
 
 	if (*cdevp) {
@@ -2513,13 +2513,13 @@
 }
 
 void ipath_cdev_cleanup(struct cdev **cdevp,
-			struct class_device **class_devp)
+			struct device **devp)
 {
-	cleanup_cdev(cdevp, class_devp);
+	cleanup_cdev(cdevp, devp);
 }
 
 static struct cdev *wildcard_cdev;
-static struct class_device *wildcard_class_dev;
+static struct device *wildcard_dev;
 
 static const dev_t dev = MKDEV(IPATH_MAJOR, 0);
 
@@ -2576,7 +2576,7 @@
 			goto bail;
 		}
 		ret = init_cdev(0, "ipath", &ipath_file_ops, &wildcard_cdev,
-				&wildcard_class_dev);
+				&wildcard_dev);
 		if (ret < 0) {
 			ipath_dev_err(dd, "Could not create wildcard "
 				      "minor: error %d\n", -ret);
@@ -2589,7 +2589,7 @@
 	snprintf(name, sizeof(name), "ipath%d", dd->ipath_unit);
 
 	ret = init_cdev(dd->ipath_unit + 1, name, &ipath_file_ops,
-			&dd->user_cdev, &dd->user_class_dev);
+			&dd->user_cdev, &dd->user_dev);
 	if (ret < 0)
 		ipath_dev_err(dd, "Could not create user minor %d, %s\n",
 			      dd->ipath_unit + 1, name);
@@ -2604,13 +2604,13 @@
 
 void ipath_user_remove(struct ipath_devdata *dd)
 {
-	cleanup_cdev(&dd->user_cdev, &dd->user_class_dev);
+	cleanup_cdev(&dd->user_cdev, &dd->user_dev);
 
 	if (atomic_dec_return(&user_count) == 0) {
 		if (atomic_read(&user_setup) == 0)
 			goto bail;
 
-		cleanup_cdev(&wildcard_cdev, &wildcard_class_dev);
+		cleanup_cdev(&wildcard_cdev, &wildcard_dev);
 		user_cleanup();
 
 		atomic_set(&user_setup, 0);
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 5863cbe..202337a 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -466,8 +466,8 @@
 	struct pci_dev *pcidev;
 	struct cdev *user_cdev;
 	struct cdev *diag_cdev;
-	struct class_device *user_class_dev;
-	struct class_device *diag_class_dev;
+	struct device *user_dev;
+	struct device *diag_dev;
 	/* timer used to prevent stats overflow, error throttling, etc. */
 	struct timer_list ipath_stats_timer;
 	/* timer to verify interrupts work, and fallback if possible */
@@ -854,9 +854,9 @@
 
 struct file_operations;
 int ipath_cdev_init(int minor, char *name, const struct file_operations *fops,
-		    struct cdev **cdevp, struct class_device **class_devp);
+		    struct cdev **cdevp, struct device **devp);
 void ipath_cdev_cleanup(struct cdev **cdevp,
-			struct class_device **class_devp);
+			struct device **devp);
 
 int ipath_diag_add(struct ipath_devdata *);
 void ipath_diag_remove(struct ipath_devdata *);
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 320a6d0..c38f9aa 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -2172,18 +2172,20 @@
 	ib_dealloc_device(ibdev);
 }
 
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
 	struct ipath_ibdev *dev =
-		container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+		container_of(device, struct ipath_ibdev, ibdev.dev);
 
 	return sprintf(buf, "%x\n", dev->dd->ipath_pcirev);
 }
 
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
 	struct ipath_ibdev *dev =
-		container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+		container_of(device, struct ipath_ibdev, ibdev.dev);
 	int ret;
 
 	ret = dev->dd->ipath_f_get_boardname(dev->dd, buf, 128);
@@ -2196,10 +2198,11 @@
 	return ret;
 }
 
-static ssize_t show_stats(struct class_device *cdev, char *buf)
+static ssize_t show_stats(struct device *device, struct device_attribute *attr,
+			  char *buf)
 {
 	struct ipath_ibdev *dev =
-		container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+		container_of(device, struct ipath_ibdev, ibdev.dev);
 	int i;
 	int len;
 
@@ -2237,16 +2240,16 @@
 	return len;
 }
 
-static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL);
-static CLASS_DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
+static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
 
-static struct class_device_attribute *ipath_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id,
-	&class_device_attr_stats
+static struct device_attribute *ipath_class_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_hca_type,
+	&dev_attr_board_id,
+	&dev_attr_stats
 };
 
 static int ipath_verbs_register_sysfs(struct ib_device *dev)
@@ -2255,8 +2258,8 @@
 	int ret;
 
 	for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
-		if (class_device_create_file(&dev->class_dev,
-					     ipath_class_attributes[i])) {
+		if (device_create_file(&dev->dev,
+				       ipath_class_attributes[i])) {
 			ret = 1;
 			goto bail;
 		}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 136c76c..4d9b5ac 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -481,42 +481,51 @@
 	return err;
 }
 
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
-	struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+	struct mlx4_ib_dev *dev =
+		container_of(device, struct mlx4_ib_dev, ib_dev.dev);
 	return sprintf(buf, "MT%d\n", dev->dev->pdev->device);
 }
 
-static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
+			   char *buf)
 {
-	struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+	struct mlx4_ib_dev *dev =
+		container_of(device, struct mlx4_ib_dev, ib_dev.dev);
 	return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32),
 		       (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
 		       (int) dev->dev->caps.fw_ver & 0xffff);
 }
 
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
-	struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
+	struct mlx4_ib_dev *dev =
+		container_of(device, struct mlx4_ib_dev, ib_dev.dev);
 	return sprintf(buf, "%x\n", dev->dev->rev_id);
 }
 
-static ssize_t show_board(struct class_device *cdev, char *buf)
+static ssize_t show_board(struct device *device, struct device_attribute *attr,
+			  char *buf)
 {
-	struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
-	return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, dev->dev->board_id);
+	struct mlx4_ib_dev *dev =
+		container_of(device, struct mlx4_ib_dev, ib_dev.dev);
+	return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN,
+		       dev->dev->board_id);
 }
 
-static CLASS_DEVICE_ATTR(hw_rev,   S_IRUGO, show_rev,    NULL);
-static CLASS_DEVICE_ATTR(fw_ver,   S_IRUGO, show_fw_ver, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca,    NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board,  NULL);
+static DEVICE_ATTR(hw_rev,   S_IRUGO, show_rev,    NULL);
+static DEVICE_ATTR(fw_ver,   S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca,    NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_board,  NULL);
 
-static struct class_device_attribute *mlx4_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_fw_ver,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id
+static struct device_attribute *mlx4_class_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_fw_ver,
+	&dev_attr_hca_type,
+	&dev_attr_board_id
 };
 
 static void *mlx4_ib_add(struct mlx4_dev *dev)
@@ -640,8 +649,8 @@
 		goto err_reg;
 
 	for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) {
-		if (class_device_create_file(&ibdev->ib_dev.class_dev,
-					       mlx4_class_attributes[i]))
+		if (device_create_file(&ibdev->ib_dev.dev,
+				       mlx4_class_attributes[i]))
 			goto err_reg;
 	}
 
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 81b257e..696e1f3 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1170,23 +1170,29 @@
 	return 0;
 }
 
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
-	struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
+	struct mthca_dev *dev =
+		container_of(device, struct mthca_dev, ib_dev.dev);
 	return sprintf(buf, "%x\n", dev->rev_id);
 }
 
-static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
+			   char *buf)
 {
-	struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
+	struct mthca_dev *dev =
+		container_of(device, struct mthca_dev, ib_dev.dev);
 	return sprintf(buf, "%d.%d.%d\n", (int) (dev->fw_ver >> 32),
 		       (int) (dev->fw_ver >> 16) & 0xffff,
 		       (int) dev->fw_ver & 0xffff);
 }
 
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *device, struct device_attribute *attr,
+			char *buf)
 {
-	struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
+	struct mthca_dev *dev =
+		container_of(device, struct mthca_dev, ib_dev.dev);
 	switch (dev->pdev->device) {
 	case PCI_DEVICE_ID_MELLANOX_TAVOR:
 		return sprintf(buf, "MT23108\n");
@@ -1202,22 +1208,24 @@
 	}
 }
 
-static ssize_t show_board(struct class_device *cdev, char *buf)
+static ssize_t show_board(struct device *device, struct device_attribute *attr,
+			  char *buf)
 {
-	struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
+	struct mthca_dev *dev =
+		container_of(device, struct mthca_dev, ib_dev.dev);
 	return sprintf(buf, "%.*s\n", MTHCA_BOARD_ID_LEN, dev->board_id);
 }
 
-static CLASS_DEVICE_ATTR(hw_rev,   S_IRUGO, show_rev,    NULL);
-static CLASS_DEVICE_ATTR(fw_ver,   S_IRUGO, show_fw_ver, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca,    NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board,  NULL);
+static DEVICE_ATTR(hw_rev,   S_IRUGO, show_rev,    NULL);
+static DEVICE_ATTR(fw_ver,   S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca,    NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_board,  NULL);
 
-static struct class_device_attribute *mthca_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_fw_ver,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id
+static struct device_attribute *mthca_dev_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_fw_ver,
+	&dev_attr_hca_type,
+	&dev_attr_board_id
 };
 
 static int mthca_init_node_data(struct mthca_dev *dev)
@@ -1379,9 +1387,9 @@
 	if (ret)
 		return ret;
 
-	for (i = 0; i < ARRAY_SIZE(mthca_class_attributes); ++i) {
-		ret = class_device_create_file(&dev->ib_dev.class_dev,
-					       mthca_class_attributes[i]);
+	for (i = 0; i < ARRAY_SIZE(mthca_dev_attributes); ++i) {
+		ret = device_create_file(&dev->ib_dev.dev,
+					 mthca_dev_attributes[i]);
 		if (ret) {
 			ib_unregister_device(&dev->ib_dev);
 			return ret;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 7c27420..f9a5d43 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2800,10 +2800,11 @@
 /**
  * show_rev
  */
-static ssize_t show_rev(struct class_device *cdev, char *buf)
+static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	struct nes_ib_device *nesibdev =
-			container_of(cdev, struct nes_ib_device, ibdev.class_dev);
+			container_of(dev, struct nes_ib_device, ibdev.dev);
 	struct nes_vnic *nesvnic = nesibdev->nesvnic;
 
 	nes_debug(NES_DBG_INIT, "\n");
@@ -2814,10 +2815,11 @@
 /**
  * show_fw_ver
  */
-static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
+static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	struct nes_ib_device *nesibdev =
-			container_of(cdev, struct nes_ib_device, ibdev.class_dev);
+			container_of(dev, struct nes_ib_device, ibdev.dev);
 	struct nes_vnic *nesvnic = nesibdev->nesvnic;
 
 	nes_debug(NES_DBG_INIT, "\n");
@@ -2831,7 +2833,8 @@
 /**
  * show_hca
  */
-static ssize_t show_hca(struct class_device *cdev, char *buf)
+static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
+		        char *buf)
 {
 	nes_debug(NES_DBG_INIT, "\n");
 	return sprintf(buf, "NES020\n");
@@ -2841,23 +2844,24 @@
 /**
  * show_board
  */
-static ssize_t show_board(struct class_device *cdev, char *buf)
+static ssize_t show_board(struct device *dev, struct device_attribute *attr,
+			  char *buf)
 {
 	nes_debug(NES_DBG_INIT, "\n");
 	return sprintf(buf, "%.*s\n", 32, "NES020 Board ID");
 }
 
 
-static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
-static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
-static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
-static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
+static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
+static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
 
-static struct class_device_attribute *nes_class_attributes[] = {
-	&class_device_attr_hw_rev,
-	&class_device_attr_fw_ver,
-	&class_device_attr_hca_type,
-	&class_device_attr_board_id
+static struct device_attribute *nes_dev_attributes[] = {
+	&dev_attr_hw_rev,
+	&dev_attr_fw_ver,
+	&dev_attr_hca_type,
+	&dev_attr_board_id
 };
 
 
@@ -3782,7 +3786,7 @@
 	nesibdev->ibdev.phys_port_cnt = 1;
 	nesibdev->ibdev.num_comp_vectors = 1;
 	nesibdev->ibdev.dma_device = &nesdev->pcidev->dev;
-	nesibdev->ibdev.class_dev.dev = &nesdev->pcidev->dev;
+	nesibdev->ibdev.dev.parent = &nesdev->pcidev->dev;
 	nesibdev->ibdev.query_device = nes_query_device;
 	nesibdev->ibdev.query_port = nes_query_port;
 	nesibdev->ibdev.modify_port = nes_modify_port;
@@ -3877,13 +3881,13 @@
 	nesibdev->max_qp = (nesadapter->max_qp-NES_FIRST_QPN) / nesadapter->port_count;
 	nesibdev->max_pd = nesadapter->max_pd / nesadapter->port_count;
 
-	for (i = 0; i < ARRAY_SIZE(nes_class_attributes); ++i) {
-		ret = class_device_create_file(&nesibdev->ibdev.class_dev, nes_class_attributes[i]);
+	for (i = 0; i < ARRAY_SIZE(nes_dev_attributes); ++i) {
+		ret = device_create_file(&nesibdev->ibdev.dev, nes_dev_attributes[i]);
 		if (ret) {
 			while (i > 0) {
 				i--;
-				class_device_remove_file(&nesibdev->ibdev.class_dev,
-						nes_class_attributes[i]);
+				device_remove_file(&nesibdev->ibdev.dev,
+						   nes_dev_attributes[i]);
 			}
 			ib_unregister_device(&nesibdev->ibdev);
 			return ret;
@@ -3904,8 +3908,8 @@
 	struct nes_vnic *nesvnic = nesibdev->nesvnic;
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(nes_class_attributes); ++i) {
-		class_device_remove_file(&nesibdev->ibdev.class_dev, nes_class_attributes[i]);
+	for (i = 0; i < ARRAY_SIZE(nes_dev_attributes); ++i) {
+		device_remove_file(&nesibdev->ibdev.dev, nes_dev_attributes[i]);
 	}
 
 	if (nesvnic->of_device_registered) {