class: rename "sem" to "class_sem" in internal class structure

This renames the struct class "sem" field to be "class_sem" to make
things easier when struct bus_type and struct class merge in the future.
It also makes grepping for fields easier as well.

Based on an idea from Kay.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 11 insertions, 11 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 86778b8..d24d211 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -147,7 +147,7 @@ int class_register(struct class *cls)
 	INIT_LIST_HEAD(&cp->class_devices);
 	INIT_LIST_HEAD(&cp->class_interfaces);
 	kset_init(&cp->class_dirs);
-	init_MUTEX(&cp->sem);
+	init_MUTEX(&cp->class_sem);
 	error = kobject_set_name(&cp->class_subsys.kobj, "%s", cls->name);
 	if (error) {
 		kfree(cp);
@@ -278,7 +278,7 @@ char *make_class_name(const char *name, struct kobject *kobj)
  * We check the return of @fn each time. If it returns anything
  * other than 0, we break out and return that value.
  *
- * Note, we hold class->sem in this function, so it can not be
+ * Note, we hold class->class_sem in this function, so it can not be
  * re-acquired in @fn, otherwise it will self-deadlocking. For
  * example, calls to add or remove class members would be verboten.
  */
@@ -290,7 +290,7 @@ int class_for_each_device(struct class *class, struct device *start,
 
 	if (!class)
 		return -EINVAL;
-	down(&class->p->sem);
+	down(&class->p->class_sem);
 	list_for_each_entry(dev, &class->p->class_devices, node) {
 		if (start) {
 			if (start == dev)
@@ -303,7 +303,7 @@ int class_for_each_device(struct class *class, struct device *start,
 		if (error)
 			break;
 	}
-	up(&class->p->sem);
+	up(&class->p->class_sem);
 
 	return error;
 }
@@ -326,7 +326,7 @@ EXPORT_SYMBOL_GPL(class_for_each_device);
  *
  * Note, you will need to drop the reference with put_device() after use.
  *
- * We hold class->sem in this function, so it can not be
+ * We hold class->class_sem in this function, so it can not be
  * re-acquired in @match, otherwise it will self-deadlocking. For
  * example, calls to add or remove class members would be verboten.
  */
@@ -340,7 +340,7 @@ struct device *class_find_device(struct class *class, struct device *start,
 	if (!class)
 		return NULL;
 
-	down(&class->p->sem);
+	down(&class->p->class_sem);
 	list_for_each_entry(dev, &class->p->class_devices, node) {
 		if (start) {
 			if (start == dev)
@@ -354,7 +354,7 @@ struct device *class_find_device(struct class *class, struct device *start,
 		} else
 			put_device(dev);
 	}
-	up(&class->p->sem);
+	up(&class->p->class_sem);
 
 	return found ? dev : NULL;
 }
@@ -372,13 +372,13 @@ int class_interface_register(struct class_interface *class_intf)
 	if (!parent)
 		return -EINVAL;
 
-	down(&parent->p->sem);
+	down(&parent->p->class_sem);
 	list_add_tail(&class_intf->node, &parent->p->class_interfaces);
 	if (class_intf->add_dev) {
 		list_for_each_entry(dev, &parent->p->class_devices, node)
 			class_intf->add_dev(dev, class_intf);
 	}
-	up(&parent->p->sem);
+	up(&parent->p->class_sem);
 
 	return 0;
 }
@@ -391,13 +391,13 @@ void class_interface_unregister(struct class_interface *class_intf)
 	if (!parent)
 		return;
 
-	down(&parent->p->sem);
+	down(&parent->p->class_sem);
 	list_del_init(&class_intf->node);
 	if (class_intf->remove_dev) {
 		list_for_each_entry(dev, &parent->p->class_devices, node)
 			class_intf->remove_dev(dev, class_intf);
 	}
-	up(&parent->p->sem);
+	up(&parent->p->class_sem);
 
 	class_put(parent);
 }