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path: root/drivers/of/address.c
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Diffstat (limited to 'drivers/of/address.c')
-rw-r--r--drivers/of/address.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 72c33fbe451..66d96f14c27 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);