[U-Boot] [PATCH 2/5] dm: core: also parse chosen node
Rob Clark
robdclark at gmail.com
Sat Jun 24 23:05:20 UTC 2017
This is the node that would contain, for example, the framebuffer setup
by an earlier stage.
Signed-off-by: Rob Clark <robdclark at gmail.com>
---
drivers/core/root.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/core/root.c b/drivers/core/root.c
index d691d6f..5e6b2da 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -266,6 +266,26 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
for (offset = fdt_first_subnode(blob, offset);
offset > 0;
offset = fdt_next_subnode(blob, offset)) {
+ ofnode node = offset_to_ofnode(offset);
+
+ /* "chosen" node isn't a device itself but may contain some: */
+ if (strcmp(ofnode_get_name(node), "chosen") == 0) {
+ dm_dbg("parsing subnodes of \"chosen\"\n");
+
+ for (node = ofnode_first_subnode(node);
+ ofnode_valid(node);
+ node = ofnode_next_subnode(node)) {
+ dm_dbg("subnode: %s\n", ofnode_get_name(node));
+ err = lists_bind_fdt(parent, node, NULL);
+ if (err && !ret) {
+ ret = err;
+ dm_dbg("%s: ret=%d\n", ofnode_get_name(node), ret);
+ }
+ }
+
+ continue;
+ }
+
if (pre_reloc_only &&
!dm_fdt_pre_reloc(blob, offset))
continue;
@@ -273,7 +293,7 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
dm_dbg(" - ignoring disabled device\n");
continue;
}
- err = lists_bind_fdt(parent, offset_to_ofnode(offset), NULL);
+ err = lists_bind_fdt(parent, node, NULL);
if (err && !ret) {
ret = err;
debug("%s: ret=%d\n", fdt_get_name(blob, offset, NULL),
--
2.9.4
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