Driver core: convert vt code to use struct device

Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 39 insertions, 42 deletions

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 8e4413f6fbaf..87587b4385ab 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -112,7 +112,7 @@
 struct con_driver {
         const struct consw *con;
         const char *desc;
-        struct class_device *class_dev;
+        struct device *dev;
         int node;
         int first;
         int last;
@@ -3023,10 +3023,10 @@ static inline int vt_unbind(struct con_driver *con)
 }
 #endif /* CONFIG_VT_HW_CONSOLE_BINDING */
 
-static ssize_t store_bind(struct class_device *class_device,
+static ssize_t store_bind(struct device *dev, struct device_attribute *attr,
                           const char *buf, size_t count)
 {
-        struct con_driver *con = class_get_devdata(class_device);
+        struct con_driver *con = dev_get_drvdata(dev);
         int bind = simple_strtoul(buf, NULL, 0);
 
         if (bind)
@@ -3037,17 +3037,19 @@ static ssize_t store_bind(struct class_device *class_device,
         return count;
 }
 
-static ssize_t show_bind(struct class_device *class_device, char *buf)
+static ssize_t show_bind(struct device *dev, struct device_attribute *attr,
+                         char *buf)
 {
-        struct con_driver *con = class_get_devdata(class_device);
+        struct con_driver *con = dev_get_drvdata(dev);
         int bind = con_is_bound(con->con);
 
         return snprintf(buf, PAGE_SIZE, "%i\n", bind);
 }
 
-static ssize_t show_name(struct class_device *class_device, char *buf)
+static ssize_t show_name(struct device *dev, struct device_attribute *attr,
+                         char *buf)
 {
-        struct con_driver *con = class_get_devdata(class_device);
+        struct con_driver *con = dev_get_drvdata(dev);
 
         return snprintf(buf, PAGE_SIZE, "%s %s\n",
                         (con->flag & CON_DRIVER_FLAG_MODULE) ? "(M)" : "(S)",
@@ -3055,43 +3057,40 @@ static ssize_t show_name(struct class_device *class_device, char *buf)
 
 }
 
-static struct class_device_attribute class_device_attrs[] = {
+static struct device_attribute device_attrs[] = {
         __ATTR(bind, S_IRUGO|S_IWUSR, show_bind, store_bind),
         __ATTR(name, S_IRUGO, show_name, NULL),
 };
 
-static int vtconsole_init_class_device(struct con_driver *con)
+static int vtconsole_init_device(struct con_driver *con)
 {
         int i;
         int error = 0;
 
         con->flag |= CON_DRIVER_FLAG_ATTR;
-        class_set_devdata(con->class_dev, con);
-        for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) {
-                error = class_device_create_file(con->class_dev,
-                                         &class_device_attrs[i]);
+        dev_set_drvdata(con->dev, con);
+        for (i = 0; i < ARRAY_SIZE(device_attrs); i++) {
+                error = device_create_file(con->dev, &device_attrs[i]);
                 if (error)
                         break;
         }
 
         if (error) {
                 while (--i >= 0)
-                        class_device_remove_file(con->class_dev,
-                                         &class_device_attrs[i]);
+                        device_remove_file(con->dev, &device_attrs[i]);
                 con->flag &= ~CON_DRIVER_FLAG_ATTR;
         }
 
         return error;
 }
 
-static void vtconsole_deinit_class_device(struct con_driver *con)
+static void vtconsole_deinit_device(struct con_driver *con)
 {
         int i;
 
         if (con->flag & CON_DRIVER_FLAG_ATTR) {
-                for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
-                        class_device_remove_file(con->class_dev,
-                                                 &class_device_attrs[i]);
+                for (i = 0; i < ARRAY_SIZE(device_attrs); i++)
+                        device_remove_file(con->dev, &device_attrs[i]);
                 con->flag &= ~CON_DRIVER_FLAG_ATTR;
         }
 }
@@ -3179,18 +3178,17 @@ int register_con_driver(const struct consw *csw, int first, int last)
         if (retval)
                 goto err;
 
-        con_driver->class_dev = class_device_create(vtconsole_class, NULL,
-                                                    MKDEV(0, con_driver->node),
-                                                    NULL, "vtcon%i",
-                                                    con_driver->node);
+        con_driver->dev = device_create(vtconsole_class, NULL,
+                                        MKDEV(0, con_driver->node),
+                                        "vtcon%i", con_driver->node);
 
-        if (IS_ERR(con_driver->class_dev)) {
-                printk(KERN_WARNING "Unable to create class_device for %s; "
+        if (IS_ERR(con_driver->dev)) {
+                printk(KERN_WARNING "Unable to create device for %s; "
                        "errno = %ld\n", con_driver->desc,
-                       PTR_ERR(con_driver->class_dev));
-                con_driver->class_dev = NULL;
+                       PTR_ERR(con_driver->dev));
+                con_driver->dev = NULL;
         } else {
-                vtconsole_init_class_device(con_driver);
+                vtconsole_init_device(con_driver);
         }
 
 err:
@@ -3226,12 +3224,12 @@ int unregister_con_driver(const struct consw *csw)
 
                 if (con_driver->con == csw &&
                     con_driver->flag & CON_DRIVER_FLAG_MODULE) {
-                        vtconsole_deinit_class_device(con_driver);
-                        class_device_destroy(vtconsole_class,
-                                             MKDEV(0, con_driver->node));
+                        vtconsole_deinit_device(con_driver);
+                        device_destroy(vtconsole_class,
+                                       MKDEV(0, con_driver->node));
                         con_driver->con = NULL;
                         con_driver->desc = NULL;
-                        con_driver->class_dev = NULL;
+                        con_driver->dev = NULL;
                         con_driver->node = 0;
                         con_driver->flag = 0;
                         con_driver->first = 0;
@@ -3289,19 +3287,18 @@ static int __init vtconsole_class_init(void)
         for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
                 struct con_driver *con = &registered_con_driver[i];
 
-                if (con->con && !con->class_dev) {
-                        con->class_dev =
-                                class_device_create(vtconsole_class, NULL,
-                                                    MKDEV(0, con->node), NULL,
-                                                    "vtcon%i", con->node);
+                if (con->con && !con->dev) {
+                        con->dev = device_create(vtconsole_class, NULL,
+                                                 MKDEV(0, con->node),
+                                                 "vtcon%i", con->node);
 
-                        if (IS_ERR(con->class_dev)) {
+                        if (IS_ERR(con->dev)) {
                                 printk(KERN_WARNING "Unable to create "
-                                       "class_device for %s; errno = %ld\n",
-                                       con->desc, PTR_ERR(con->class_dev));
-                                con->class_dev = NULL;
+                                       "device for %s; errno = %ld\n",
+                                       con->desc, PTR_ERR(con->dev));
+                                con->dev = NULL;
                         } else {
-                                vtconsole_init_class_device(con);
+                                vtconsole_init_device(con);
                         }
                 }
         }