fdt_fixup_memory_banks() will add and update /memory node in device tree blob. In the case that /memory node doesn't exist, after adding a new one, this function returns error.
The correct behavior should be continuing to update its properties.
Signed-off-by: Miao Yan miao.yan@windriver.com --- Changes for v2: none
common/fdt_support.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/fdt_support.c b/common/fdt_support.c index b034c98..a97a705 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -400,10 +400,11 @@ int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks) nodeoffset = fdt_path_offset(blob, "/memory"); if (nodeoffset < 0) { nodeoffset = fdt_add_subnode(blob, 0, "memory"); - if (nodeoffset < 0) + if (nodeoffset < 0) { printf("WARNING: could not create /memory: %s.\n", fdt_strerror(nodeoffset)); - return nodeoffset; + return nodeoffset; + } } err = fdt_setprop(blob, nodeoffset, "device_type", "memory", sizeof("memory"));