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dm: fdt: scan for devices under /firmware too

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Just as /chosen may contain devices /firmware may contain devices, scan
for devices under /firmware too.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Jens Wiklander 2018-09-25 16:40:05 +02:00 • committed by Tom Rini
parent 51c12319b4
commit 747558d014
1 changed files with 10 additions and 5 deletions
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15
drivers/core/root.c
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@ -265,9 +265,15 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
for (offset = fdt_first_subnode(blob, offset); for (offset = fdt_first_subnode(blob, offset);
offset > 0; offset > 0;
offset = fdt_next_subnode(blob, offset)) { offset = fdt_next_subnode(blob, offset)) {
/* "chosen" node isn't a device itself but may contain some: */ const char *node_name = fdt_get_name(blob, offset, NULL);
if (!strcmp(fdt_get_name(blob, offset, NULL), "chosen")) {
pr_debug("parsing subnodes of \"chosen\"\n"); /*
* The "chosen" and "firmware" nodes aren't devices
* themselves but may contain some:
*/
if (!strcmp(node_name, "chosen") ||
!strcmp(node_name, "firmware")) {
pr_debug("parsing subnodes of \"%s\"\n", node_name);
err = dm_scan_fdt_node(parent, blob, offset, err = dm_scan_fdt_node(parent, blob, offset,
pre_reloc_only); pre_reloc_only);
@ -286,8 +292,7 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
err = lists_bind_fdt(parent, offset_to_ofnode(offset), NULL); err = lists_bind_fdt(parent, offset_to_ofnode(offset), NULL);
if (err && !ret) { if (err && !ret) {
ret = err; ret = err;
debug("%s: ret=%d\n", fdt_get_name(blob, offset, NULL), debug("%s: ret=%d\n", node_name, ret);
ret);
} }
} }