Input: convert from class devices to standard devices

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 74 insertions, 62 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index ccd8abafcb70..75b4d2a83dd9 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -442,7 +442,7 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han
                 printk(KERN_ERR
                         "input: failed to attach handler %s to device %s, "
                         "error: %d\n",
-                        handler->name, kobject_name(&dev->cdev.kobj), error);
+                        handler->name, kobject_name(&dev->dev.kobj), error);
 
         return error;
 }
@@ -527,7 +527,7 @@ static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
 static int input_devices_seq_show(struct seq_file *seq, void *v)
 {
         struct input_dev *dev = container_of(v, struct input_dev, node);
-        const char *path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+        const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
         struct input_handle *handle;
 
         seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n",
@@ -682,15 +682,17 @@ static inline int input_proc_init(void) { return 0; }
 static inline void input_proc_exit(void) { }
 #endif
 
-#define INPUT_DEV_STRING_ATTR_SHOW(name)                                        \
-static ssize_t input_dev_show_##name(struct class_device *dev, char *buf)       \
-{                                                                               \
-        struct input_dev *input_dev = to_input_dev(dev);                        \
-                                                                                \
-        return scnprintf(buf, PAGE_SIZE, "%s\n",                                \
-                         input_dev->name ? input_dev->name : "");               \
-}                                                                               \
-static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL);
+#define INPUT_DEV_STRING_ATTR_SHOW(name)                                \
+static ssize_t input_dev_show_##name(struct device *dev,                \
+                                     struct device_attribute *attr,     \
+                                     char *buf)                         \
+{                                                                       \
+        struct input_dev *input_dev = to_input_dev(dev);                \
+                                                                        \
+        return scnprintf(buf, PAGE_SIZE, "%s\n",                        \
+                         input_dev->name ? input_dev->name : "");       \
+}                                                                       \
+static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL)
 
 INPUT_DEV_STRING_ATTR_SHOW(name);
 INPUT_DEV_STRING_ATTR_SHOW(phys);
@@ -744,7 +746,9 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id,
         return len;
 }
 
-static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
+static ssize_t input_dev_show_modalias(struct device *dev,
+                                       struct device_attribute *attr,
+                                       char *buf)
 {
         struct input_dev *id = to_input_dev(dev);
         ssize_t len;
@@ -753,13 +757,13 @@ static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
 
         return min_t(int, len, PAGE_SIZE);
 }
-static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
 
 static struct attribute *input_dev_attrs[] = {
-        &class_device_attr_name.attr,
-        &class_device_attr_phys.attr,
-        &class_device_attr_uniq.attr,
-        &class_device_attr_modalias.attr,
+        &dev_attr_name.attr,
+        &dev_attr_phys.attr,
+        &dev_attr_uniq.attr,
+        &dev_attr_modalias.attr,
         NULL
 };
 
@@ -767,13 +771,15 @@ static struct attribute_group input_dev_attr_group = {
         .attrs  = input_dev_attrs,
 };
 
-#define INPUT_DEV_ID_ATTR(name)                                                 \
-static ssize_t input_dev_show_id_##name(struct class_device *dev, char *buf)    \
-{                                                                               \
-        struct input_dev *input_dev = to_input_dev(dev);                        \
-        return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name);         \
-}                                                                               \
-static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL);
+#define INPUT_DEV_ID_ATTR(name)                                         \
+static ssize_t input_dev_show_id_##name(struct device *dev,             \
+                                        struct device_attribute *attr,  \
+                                        char *buf)                      \
+{                                                                       \
+        struct input_dev *input_dev = to_input_dev(dev);                \
+        return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
+}                                                                       \
+static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL)
 
 INPUT_DEV_ID_ATTR(bustype);
 INPUT_DEV_ID_ATTR(vendor);
@@ -781,10 +787,10 @@ INPUT_DEV_ID_ATTR(product);
 INPUT_DEV_ID_ATTR(version);
 
 static struct attribute *input_dev_id_attrs[] = {
-        &class_device_attr_bustype.attr,
-        &class_device_attr_vendor.attr,
-        &class_device_attr_product.attr,
-        &class_device_attr_version.attr,
+        &dev_attr_bustype.attr,
+        &dev_attr_vendor.attr,
+        &dev_attr_product.attr,
+        &dev_attr_version.attr,
         NULL
 };
 
@@ -813,15 +819,17 @@ static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
         return len;
 }
 
-#define INPUT_DEV_CAP_ATTR(ev, bm)                                              \
-static ssize_t input_dev_show_cap_##bm(struct class_device *dev, char *buf)     \
-{                                                                               \
-        struct input_dev *input_dev = to_input_dev(dev);                        \
-        int len = input_print_bitmap(buf, PAGE_SIZE,                            \
-                                     input_dev->bm##bit, ev##_MAX, 1);          \
-        return min_t(int, len, PAGE_SIZE);                                      \
-}                                                                               \
-static CLASS_DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL);
+#define INPUT_DEV_CAP_ATTR(ev, bm)                                      \
+static ssize_t input_dev_show_cap_##bm(struct device *dev,              \
+                                       struct device_attribute *attr,   \
+                                       char *buf)                       \
+{                                                                       \
+        struct input_dev *input_dev = to_input_dev(dev);                \
+        int len = input_print_bitmap(buf, PAGE_SIZE,                    \
+                                     input_dev->bm##bit, ev##_MAX, 1);  \
+        return min_t(int, len, PAGE_SIZE);                              \
+}                                                                       \
+static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL)
 
 INPUT_DEV_CAP_ATTR(EV, ev);
 INPUT_DEV_CAP_ATTR(KEY, key);
@@ -834,15 +842,15 @@ INPUT_DEV_CAP_ATTR(FF, ff);
 INPUT_DEV_CAP_ATTR(SW, sw);
 
 static struct attribute *input_dev_caps_attrs[] = {
-        &class_device_attr_ev.attr,
-        &class_device_attr_key.attr,
-        &class_device_attr_rel.attr,
-        &class_device_attr_abs.attr,
-        &class_device_attr_msc.attr,
-        &class_device_attr_led.attr,
-        &class_device_attr_snd.attr,
-        &class_device_attr_ff.attr,
-        &class_device_attr_sw.attr,
+        &dev_attr_ev.attr,
+        &dev_attr_key.attr,
+        &dev_attr_rel.attr,
+        &dev_attr_abs.attr,
+        &dev_attr_msc.attr,
+        &dev_attr_led.attr,
+        &dev_attr_snd.attr,
+        &dev_attr_ff.attr,
+        &dev_attr_sw.attr,
         NULL
 };
 
@@ -858,9 +866,9 @@ static struct attribute_group *input_dev_attr_groups[] = {
         NULL
 };
 
-static void input_dev_release(struct class_device *class_dev)
+static void input_dev_release(struct device *device)
 {
-        struct input_dev *dev = to_input_dev(class_dev);
+        struct input_dev *dev = to_input_dev(device);
 
         input_ff_destroy(dev);
         kfree(dev);
@@ -947,10 +955,10 @@ static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_ind
                         return err;                                     \
         } while (0)
 
-static int input_dev_uevent(struct class_device *cdev, char **envp,
+static int input_dev_uevent(struct device *device, char **envp,
                             int num_envp, char *buffer, int buffer_size)
 {
-        struct input_dev *dev = to_input_dev(cdev);
+        struct input_dev *dev = to_input_dev(device);
         int i = 0;
         int len = 0;
 
@@ -988,10 +996,14 @@ static int input_dev_uevent(struct class_device *cdev, char **envp,
         return 0;
 }
 
+static struct device_type input_dev_type = {
+        .groups         = input_dev_attr_groups,
+        .release        = input_dev_release,
+        .uevent         = input_dev_uevent,
+};
+
 struct class input_class = {
-        .name                   = "input",
-        .release                = input_dev_release,
-        .uevent                 = input_dev_uevent,
+        .name           = "input",
 };
 EXPORT_SYMBOL_GPL(input_class);
 
@@ -1010,9 +1022,9 @@ struct input_dev *input_allocate_device(void)
 
         dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
         if (dev) {
-                dev->cdev.class = &input_class;
-                dev->cdev.groups = input_dev_attr_groups;
-                class_device_initialize(&dev->cdev);
+                dev->dev.type = &input_dev_type;
+                dev->dev.class = &input_class;
+                device_initialize(&dev->dev);
                 mutex_init(&dev->mutex);
                 INIT_LIST_HEAD(&dev->h_list);
                 INIT_LIST_HEAD(&dev->node);
@@ -1131,17 +1143,17 @@ int input_register_device(struct input_dev *dev)
 
         list_add_tail(&dev->node, &input_dev_list);
 
-        snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
+        snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
                  "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
 
-        if (!dev->cdev.dev)
-                dev->cdev.dev = dev->dev.parent;
+        if (dev->cdev.dev)
+                dev->dev.parent = dev->cdev.dev;
 
-        error = class_device_add(&dev->cdev);
+        error = device_add(&dev->dev);
         if (error)
                 return error;
 
-        path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+        path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
         printk(KERN_INFO "input: %s as %s\n",
                 dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
         kfree(path);
@@ -1173,7 +1185,7 @@ void input_unregister_device(struct input_dev *dev)
 
         list_del_init(&dev->node);
 
-        class_device_unregister(&dev->cdev);
+        device_unregister(&dev->dev);
 
         input_wakeup_procfs_readers();
 }