[U-Boot] [PATCH v3 2/2] core: ofnode: Add ofnode_get_addr_size_index

Keerthy j-keerthy at ti.com
Mon Nov 19 06:14:48 UTC 2018


Add ofnode_get_addr_size_index function to fetch the address
and size of the reg space based on index.

Signed-off-by: Keerthy <j-keerthy at ti.com>
---
 drivers/core/ofnode.c | 14 ++++++++++----
 include/dm/ofnode.h   | 14 ++++++++++++++
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 0e584c1..db29a33 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -251,17 +251,16 @@ int ofnode_read_size(ofnode node, const char *propname)
 	return -EINVAL;
 }
 
-fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
+fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
 {
 	int na, ns;
-	fdt_size_t size;
 
 	if (ofnode_is_np(node)) {
 		const __be32 *prop_val;
 		uint flags;
 
 		prop_val = of_get_address(ofnode_to_np(node), index,
-					  (u64 *)&size, &flags);
+					  (u64 *)size, &flags);
 		if (!prop_val)
 			return FDT_ADDR_T_NONE;
 
@@ -278,12 +277,19 @@ fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
 		ns = ofnode_read_simple_size_cells(ofnode_get_parent(node));
 		return fdtdec_get_addr_size_fixed(gd->fdt_blob,
 						  ofnode_to_offset(node), "reg",
-						  index, na, ns, &size, true);
+						  index, na, ns, size, true);
 	}
 
 	return FDT_ADDR_T_NONE;
 }
 
+fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
+{
+	fdt_size_t size;
+
+	return ofnode_get_addr_size_index(node, index, &size);
+}
+
 fdt_addr_t ofnode_get_addr(ofnode node)
 {
 	return ofnode_get_addr_index(node, 0);
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 2fc9fa3..8bfe062 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -356,6 +356,20 @@ int ofnode_read_size(ofnode node, const char *propname);
 phys_addr_t ofnode_get_addr_index(ofnode node, int index);
 
 /**
+ * ofnode_get_addr_size_index() - get an address/size from a node
+ *				  based on index
+ *
+ * This reads the register address from a node
+ *
+ * @node: node to read from
+ * @index: Index of address to read (0 for first)
+ * @size: Pointer to size of the address
+ * @return address, or FDT_ADDR_T_NONE if not present or invalid
+ */
+phys_addr_t ofnode_get_addr_size_index(ofnode node, int index,
+				       fdt_size_t *size);
+
+/**
  * ofnode_get_addr() - get an address from a node
  *
  * This reads the register address from a node
-- 
1.9.1



More information about the U-Boot mailing list