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Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/base.c21
-rw-r--r--drivers/of/dynamic.c18
-rw-r--r--drivers/of/of_private.h4
3 files changed, 19 insertions, 24 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index ededf8e..a7ad101 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1674,10 +1674,6 @@ int of_add_property(struct device_node *np, struct property *prop)
unsigned long flags;
int rc;
- rc = of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop);
- if (rc)
- return rc;
-
mutex_lock(&of_mutex);
raw_spin_lock_irqsave(&devtree_lock, flags);
@@ -1689,6 +1685,9 @@ int of_add_property(struct device_node *np, struct property *prop)
mutex_unlock(&of_mutex);
+ if (!rc)
+ of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop, NULL);
+
return rc;
}
@@ -1731,10 +1730,6 @@ int of_remove_property(struct device_node *np, struct property *prop)
unsigned long flags;
int rc;
- rc = of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop);
- if (rc)
- return rc;
-
mutex_lock(&of_mutex);
raw_spin_lock_irqsave(&devtree_lock, flags);
@@ -1746,6 +1741,9 @@ int of_remove_property(struct device_node *np, struct property *prop)
mutex_unlock(&of_mutex);
+ if (!rc)
+ of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop, NULL);
+
return rc;
}
@@ -1805,10 +1803,6 @@ int of_update_property(struct device_node *np, struct property *newprop)
if (!newprop->name)
return -EINVAL;
- rc = of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop);
- if (rc)
- return rc;
-
mutex_lock(&of_mutex);
raw_spin_lock_irqsave(&devtree_lock, flags);
@@ -1820,6 +1814,9 @@ int of_update_property(struct device_node *np, struct property *newprop)
mutex_unlock(&of_mutex);
+ if (!rc)
+ of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop, oldprop);
+
return rc;
}
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 7c020b9..7bd5501 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -83,7 +83,7 @@ int of_reconfig_notify(unsigned long action, void *p)
}
int of_property_notify(int action, struct device_node *np,
- struct property *prop)
+ struct property *prop, struct property *oldprop)
{
struct of_prop_reconfig pr;
@@ -93,6 +93,7 @@ int of_property_notify(int action, struct device_node *np,
pr.dn = np;
pr.prop = prop;
+ pr.old_prop = oldprop;
return of_reconfig_notify(action, &pr);
}
@@ -125,11 +126,6 @@ void __of_attach_node(struct device_node *np)
int of_attach_node(struct device_node *np)
{
unsigned long flags;
- int rc;
-
- rc = of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np);
- if (rc)
- return rc;
mutex_lock(&of_mutex);
raw_spin_lock_irqsave(&devtree_lock, flags);
@@ -138,6 +134,9 @@ int of_attach_node(struct device_node *np)
__of_attach_node_sysfs(np);
mutex_unlock(&of_mutex);
+
+ of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np);
+
return 0;
}
@@ -188,10 +187,6 @@ int of_detach_node(struct device_node *np)
unsigned long flags;
int rc = 0;
- rc = of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np);
- if (rc)
- return rc;
-
mutex_lock(&of_mutex);
raw_spin_lock_irqsave(&devtree_lock, flags);
__of_detach_node(np);
@@ -199,6 +194,9 @@ int of_detach_node(struct device_node *np)
__of_detach_node_sysfs(np);
mutex_unlock(&of_mutex);
+
+ of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np);
+
return rc;
}
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 8129c0e..f69ccb1 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -43,11 +43,11 @@ static inline struct device_node *kobj_to_device_node(struct kobject *kobj)
#if defined(CONFIG_OF_DYNAMIC)
extern int of_property_notify(int action, struct device_node *np,
- struct property *prop);
+ struct property *prop, struct property *old_prop);
extern void of_node_release(struct kobject *kobj);
#else /* CONFIG_OF_DYNAMIC */
static inline int of_property_notify(int action, struct device_node *np,
- struct property *prop)
+ struct property *prop, struct property *old_prop)
{
return 0;
}