IB: convert struct class_device to struct device

This converts the main ib_device to use struct device instead of struct
class_device as class_device is going away.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

4 files changed, 51 insertions, 48 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 6d49d2f18a88..d4ce8b63e19e 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -79,7 +79,7 @@ static const struct file_operations diagpkt_file_ops = {
 
 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 @@ int ipath_diag_add(struct ipath_devdata *dd)
         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 @@ int ipath_diag_add(struct ipath_devdata *dd)
 
         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 @@ done:
 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 1e627aab18bf..8b1752202e78 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -2434,11 +2434,11 @@ static ssize_t ipath_writev(struct kiocb *iocb, const struct iovec *iov,
 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 @@ static int init_cdev(int minor, char *name, const struct file_operations *fops,
                 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 @@ err_cdev:
 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 @@ static void cleanup_cdev(struct cdev **cdevp,
 }
 
 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 @@ int ipath_user_add(struct ipath_devdata *dd)
                         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 @@ int ipath_user_add(struct ipath_devdata *dd)
         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 @@ bail:
 
 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 5863cbe99303..202337ae90dc 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -466,8 +466,8 @@ struct ipath_devdata {
         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 @@ void ipath_clear_freeze(struct ipath_devdata *);
 
 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 320a6d018de7..c38f9aa8be8d 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -2172,18 +2172,20 @@ void ipath_unregister_ib_device(struct ipath_ibdev *dev)
         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 @@ bail:
         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 @@ static ssize_t show_stats(struct class_device *cdev, char *buf)
         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 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev)
         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;
                 }