1 files changed, 11 insertions, 5 deletions

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 72c33fbe451d..66d96f14c274 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -14,7 +14,7 @@
 static struct of_bus *of_match_bus(struct device_node *np);
 static int __of_address_to_resource(struct device_node *dev,
                 const __be32 *addrp, u64 size, unsigned int flags,
-                                    struct resource *r);
+                const char *name, struct resource *r);
 
 /* Debug utility */
 #ifdef DEBUG
@@ -215,7 +215,7 @@ int of_pci_address_to_resource(struct device_node *dev, int bar,
         addrp = of_get_pci_address(dev, bar, &size, &flags);
         if (addrp == NULL)
                 return -EINVAL;
-        return __of_address_to_resource(dev, addrp, size, flags, r);
+        return __of_address_to_resource(dev, addrp, size, flags, NULL, r);
 }
 EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
 #endif /* CONFIG_PCI */
@@ -529,7 +529,7 @@ EXPORT_SYMBOL(of_get_address);
 
 static int __of_address_to_resource(struct device_node *dev,
                 const __be32 *addrp, u64 size, unsigned int flags,
-                                    struct resource *r)
+                const char *name, struct resource *r)
 {
         u64 taddr;
 
@@ -551,7 +551,8 @@ static int __of_address_to_resource(struct device_node *dev,
                 r->end = taddr + size - 1;
         }
         r->flags = flags;
-        r->name = dev->full_name;
+        r->name = name ? name : dev->full_name;
+
         return 0;
 }
 
@@ -569,11 +570,16 @@ int of_address_to_resource(struct device_node *dev, int index,
         const __be32    *addrp;
         u64             size;
         unsigned int    flags;
+        const char      *name = NULL;
 
         addrp = of_get_address(dev, index, &size, &flags);
         if (addrp == NULL)
                 return -EINVAL;
-        return __of_address_to_resource(dev, addrp, size, flags, r);
+
+        /* Get optional "reg-names" property to add a name to a resource */
+        of_property_read_string_index(dev, "reg-names", index, &name);
+
+        return __of_address_to_resource(dev, addrp, size, flags, name, r);
 }
 EXPORT_SYMBOL_GPL(of_address_to_resource);