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>
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 @@
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 @@
* 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 @@
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 @@
if (error)
break;
}
- up(&class->p->sem);
+ up(&class->p->class_sem);
return error;
}
@@ -326,7 +326,7 @@
*
* 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 @@
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 @@
} else
put_device(dev);
}
- up(&class->p->sem);
+ up(&class->p->class_sem);
return found ? dev : NULL;
}
@@ -372,13 +372,13 @@
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 @@
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);
}