[U-Boot] [PATCH 05/11] fdt: Use the correct return types for fdtdec_decode_region()

[Simon Glass]

Use the correct FDT data types for this function. Also add more debugging.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 include/fdtdec.h | 10 +++++-----
 lib/fdtdec.c     | 19 ++++++++++++-------
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/include/fdtdec.h b/include/fdtdec.h
index 926485e..11083e2 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -573,12 +573,12 @@ const u8 *fdtdec_locate_byte_array(const void *blob, int 
node,
  * @param blob         FDT blob
  * @param node         node to examine
  * @param prop_name    name of property to find
- * @param ptrp         returns pointer to region, or NULL if no address
- * @param size         returns size of region
- * @return 0 if ok, -1 on error (propery not found)
+ * @param basep                Returns base address of region
+ * @param size         Returns size of region
+ * @return 0 if ok, -1 on error (property not found)
  */
-int fdtdec_decode_region(const void *blob, int node,
-               const char *prop_name, void **ptrp, size_t *size);
+int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
+                        fdt_addr_t *basep, fdt_size_t *sizep);
 
 /* A flash map entry, containing an offset and length */
 struct fmap_entry {
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index fd9ef2c..f998c21 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -670,20 +670,25 @@ char *fdtdec_get_config_string(const void *blob, const 
char *prop_name)
        return (char *)nodep;
 }
 
-int fdtdec_decode_region(const void *blob, int node,
-               const char *prop_name, void **ptrp, size_t *size)
+int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
+                        fdt_addr_t *basep, fdt_size_t *sizep)
 {
        const fdt_addr_t *cell;
        int len;
 
-       debug("%s: %s\n", __func__, prop_name);
+       debug("%s: %s: %s\n", __func__, fdt_get_name(blob, node, NULL),
+             prop_name);
        cell = fdt_getprop(blob, node, prop_name, &len);
-       if (!cell || (len != sizeof(fdt_addr_t) * 2))
+       if (!cell || (len < sizeof(fdt_addr_t) * 2)) {
+               debug("cell=%p, len=%d\n", cell, len);
                return -1;
+       }
+
+       *basep = fdt_addr_to_cpu(*cell);
+       *sizep = fdt_size_to_cpu(cell[1]);
+       debug("%s: base=%08lx, size=%lx\n", __func__, (ulong)*basep,
+             (ulong)*sizep);
 
-       *ptrp = map_sysmem(fdt_addr_to_cpu(*cell), *size);
-       *size = fdt_size_to_cpu(cell[1]);
-       debug("%s: size=%zx\n", __func__, *size);
        return 0;
 }
 
-- 
2.1.0.rc2.206.gedb03e5

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