diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 902b1b1f568e39b16a26e0ca6278f9225ea1fd9e..4519dff3f506d096669cbec0a55ac142e3ec103f 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -14,6 +14,7 @@ bosch Bosch Sensortec GmbH
brcm Broadcom Corporation
cavium Cavium, Inc.
chrp Common Hardware Reference Platform
+cirrus Cirrus Logic, Inc.
cortina Cortina Systems, Inc.
dallas Maxim Integrated Products (formerly Dallas Semiconductor)
denx Denx Software Engineering
@@ -42,6 +43,7 @@ powervr PowerVR (deprecated, use img)
qcom Qualcomm, Inc.
ramtron Ramtron International
realtek Realtek Semiconductor Corp.
+renesas Renesas Electronics Corporation
samsung Samsung Semiconductor
sbs Smart Battery System
schindler Schindler
@@ -52,6 +54,7 @@ snps Synopsys, Inc.
st STMicroelectronics
stericsson ST-Ericsson
ti Texas Instruments
+toshiba Toshiba Corporation
via VIA Technologies, Inc.
wlf Wolfson Microelectronics
wm Wondermedia Technologies, Inc.
diff --git a/drivers/of/base.c b/drivers/of/base.c
index d1bb50719ed7aa16ca57647d2745976c79c2f087..8b9fa83dc77b71aa162ee7181e6b85cee3c5155f 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -147,16 +147,14 @@ void of_node_put(struct device_node *node)
EXPORT_SYMBOL(of_node_put);
#endif /* CONFIG_OF_DYNAMIC */
-struct property *of_find_property(const struct device_node *np,
- const char *name,
- int *lenp)
+static struct property *__of_find_property(const struct device_node *np,
+ const char *name, int *lenp)
{
struct property *pp;
if (!np)
return NULL;
- read_lock(&devtree_lock);
for (pp = np->properties; pp; pp = pp->next) {
if (of_prop_cmp(pp->name, name) == 0) {
if (lenp)
@@ -164,6 +162,18 @@ struct property *of_find_property(const struct device_node *np,
break;
}
}
+
+ return pp;
+}
+
+struct property *of_find_property(const struct device_node *np,
+ const char *name,
+ int *lenp)
+{
+ struct property *pp;
+
+ read_lock(&devtree_lock);
+ pp = __of_find_property(np, name, lenp);
read_unlock(&devtree_lock);
return pp;
@@ -193,12 +203,24 @@ struct device_node *of_find_all_nodes(struct device_node *prev)
}
EXPORT_SYMBOL(of_find_all_nodes);
+/*
+ * Find a property with a given name for a given node
+ * and return the value.
+ */
+static const void *__of_get_property(const struct device_node *np,
+ const char *name, int *lenp)
+{
+ struct property *pp = __of_find_property(np, name, lenp);
+
+ return pp ? pp->value : NULL;
+}
+
/*
* Find a property with a given name for a given node
* and return the value.
*/
const void *of_get_property(const struct device_node *np, const char *name,
- int *lenp)
+ int *lenp)
{
struct property *pp = of_find_property(np, name, lenp);
@@ -209,13 +231,13 @@ EXPORT_SYMBOL(of_get_property);
/** Checks if the given "compat" string matches one of the strings in
* the device's "compatible" property
*/
-int of_device_is_compatible(const struct device_node *device,
- const char *compat)
+static int __of_device_is_compatible(const struct device_node *device,
+ const char *compat)
{
const char* cp;
int cplen, l;
- cp = of_get_property(device, "compatible", &cplen);
+ cp = __of_get_property(device, "compatible", &cplen);
if (cp == NULL)
return 0;
while (cplen > 0) {
@@ -228,6 +250,20 @@ int of_device_is_compatible(const struct device_node *device,
return 0;
}
+
+/** Checks if the given "compat" string matches one of the strings in
+ * the device's "compatible" property
+ */
+int of_device_is_compatible(const struct device_node *device,
+ const char *compat)
+{
+ int res;
+
+ read_lock(&devtree_lock);
+ res = __of_device_is_compatible(device, compat);
+ read_unlock(&devtree_lock);
+ return res;
+}
EXPORT_SYMBOL(of_device_is_compatible);
/**
@@ -501,7 +537,8 @@ struct device_node *of_find_compatible_node(struct device_node *from,
if (type
&& !(np->type && (of_node_cmp(np->type, type) == 0)))
continue;
- if (of_device_is_compatible(np, compatible) && of_node_get(np))
+ if (__of_device_is_compatible(np, compatible) &&
+ of_node_get(np))
break;
}
of_node_put(from);
@@ -545,15 +582,9 @@ struct device_node *of_find_node_with_property(struct device_node *from,
}
EXPORT_SYMBOL(of_find_node_with_property);
-/**
- * of_match_node - Tell if an device_node has a matching of_match structure
- * @matches: array of of device match structures to search in
- * @node: the of device structure to match against
- *
- * Low level utility function used by device matching.
- */
-const struct of_device_id *of_match_node(const struct of_device_id *matches,
- const struct device_node *node)
+static
+const struct of_device_id *__of_match_node(const struct of_device_id *matches,
+ const struct device_node *node)
{
if (!matches)
return NULL;
@@ -567,14 +598,32 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches,
match &= node->type
&& !strcmp(matches->type, node->type);
if (matches->compatible[0])
- match &= of_device_is_compatible(node,
- matches->compatible);
+ match &= __of_device_is_compatible(node,
+ matches->compatible);
if (match)
return matches;
matches++;
}
return NULL;
}
+
+/**
+ * of_match_node - Tell if an device_node has a matching of_match structure
+ * @matches: array of of device match structures to search in
+ * @node: the of device structure to match against
+ *
+ * Low level utility function used by device matching.
+ */
+const struct of_device_id *of_match_node(const struct of_device_id *matches,
+ const struct device_node *node)
+{
+ const struct of_device_id *match;
+
+ read_lock(&devtree_lock);
+ match = __of_match_node(matches, node);
+ read_unlock(&devtree_lock);
+ return match;
+}
EXPORT_SYMBOL(of_match_node);
/**
@@ -595,6 +644,7 @@ struct device_node *of_find_matching_node_and_match(struct device_node *from,
const struct of_device_id **match)
{
struct device_node *np;
+ const struct of_device_id *m;
if (match)
*match = NULL;
@@ -602,9 +652,10 @@ struct device_node *of_find_matching_node_and_match(struct device_node *from,
read_lock(&devtree_lock);
np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext) {
- if (of_match_node(matches, np) && of_node_get(np)) {
+ m = __of_match_node(matches, np);
+ if (m && of_node_get(np)) {
if (match)
- *match = matches;
+ *match = m;
break;
}
}