fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / base / sys.c

diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 6fc23ab..04e5db4 100644 (file)
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -12,7 +12,6 @@
  * add themselves as children of the system bus.
  */
 
-#include <linux/config.h>
 #include <linux/sysdev.h>
 #include <linux/err.h>
 #include <linux/module.h>
@@ -80,10 +79,59 @@ void sysdev_remove_file(struct sys_device * s, struct sysdev_attribute * a)
 EXPORT_SYMBOL_GPL(sysdev_create_file);
 EXPORT_SYMBOL_GPL(sysdev_remove_file);
 
+#define to_sysdev_class(k) container_of(k, struct sysdev_class, kset.kobj)
+#define to_sysdev_class_attr(a) container_of(a, \
+       struct sysdev_class_attribute, attr)
+
+static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
+                                char *buffer)
+{
+       struct sysdev_class * class = to_sysdev_class(kobj);
+       struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
+
+       if (class_attr->show)
+               return class_attr->show(class, buffer);
+       return -EIO;
+}
+
+static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
+                                 const char *buffer, size_t count)
+{
+       struct sysdev_class * class = to_sysdev_class(kobj);
+       struct sysdev_class_attribute * class_attr = to_sysdev_class_attr(attr);
+
+       if (class_attr->store)
+               return class_attr->store(class, buffer, count);
+       return -EIO;
+}
+
+static struct sysfs_ops sysfs_class_ops = {
+       .show   = sysdev_class_show,
+       .store  = sysdev_class_store,
+};
+
+static struct kobj_type ktype_sysdev_class = {
+       .sysfs_ops      = &sysfs_class_ops,
+};
+
+int sysdev_class_create_file(struct sysdev_class *c,
+                            struct sysdev_class_attribute *a)
+{
+       return sysfs_create_file(&c->kset.kobj, &a->attr);
+}
+EXPORT_SYMBOL_GPL(sysdev_class_create_file);
+
+void sysdev_class_remove_file(struct sysdev_class *c,
+                             struct sysdev_class_attribute *a)
+{
+       sysfs_remove_file(&c->kset.kobj, &a->attr);
+}
+EXPORT_SYMBOL_GPL(sysdev_class_remove_file);
+
 /*
  * declare system_subsys
  */
-static decl_subsys(system, &ktype_sysdev, NULL);
+static decl_subsys(system, &ktype_sysdev_class, NULL);
 
 int sysdev_class_register(struct sysdev_class * cls)
 {