driver core: basic infrastructure for per-module dynamic debug messages

[net-next-2.6.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 4d8372d135df8df6d4f648b009faaa5d4d315538..fb034461b395c6da729eddf07c74da940d5dcaa9 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -199,6 +199,11 @@ struct class {
        struct class_private *p;
 };
 
+struct class_dev_iter {
+       struct klist_iter               ki;
+       const struct device_type        *type;
+};
+
 extern struct kobject *sysfs_dev_block_kobj;
 extern struct kobject *sysfs_dev_char_kobj;
 extern int __must_check __class_register(struct class *class,
@@ -213,6 +218,13 @@ extern void class_unregister(struct class *class);
        __class_register(class, &__key);        \
 })
 
+extern void class_dev_iter_init(struct class_dev_iter *iter,
+                               struct class *class,
+                               struct device *start,
+                               const struct device_type *type);
+extern struct device *class_dev_iter_next(struct class_dev_iter *iter);
+extern void class_dev_iter_exit(struct class_dev_iter *iter);
+
 extern int class_for_each_device(struct class *class, struct device *start,
                                 void *data,
                                 int (*fn)(struct device *dev, void *data));
@@ -396,7 +408,7 @@ struct device {
        spinlock_t              devres_lock;
        struct list_head        devres_head;
 
-       struct list_head        node;
+       struct klist_node       knode_class;
        struct class            *class;
        dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
        struct attribute_group  **groups;       /* optional groups */
@@ -490,7 +502,6 @@ extern struct device *device_create(struct class *cls, struct device *parent,
                                    dev_t devt, void *drvdata,
                                    const char *fmt, ...)
                                    __attribute__((format(printf, 5, 6)));
-#define device_create_drvdata  device_create
 extern void device_destroy(struct class *cls, dev_t devt);
 
 /*
@@ -539,7 +550,11 @@ extern const char *dev_driver_string(const struct device *dev);
 #define dev_info(dev, format, arg...)          \
        dev_printk(KERN_INFO , dev , format , ## arg)
 
-#ifdef DEBUG
+#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
+#define dev_dbg(dev, format, ...) do { \
+       dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \
+       } while (0)
+#elif defined(DEBUG)
 #define dev_dbg(dev, format, arg...)           \
        dev_printk(KERN_DEBUG , dev , format , ## arg)
 #else