dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-10-22 10:31:56 +02:00
Code Issues Packages Projects Releases Wiki Activity

dm: fdt: Add a function to look up a chosen node

Browse Source 
Within /chosen we may have a node which points to another node, similar
to how /aliases works. Add a helper function to do this lookup.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-09-04 16:27:24 -06:00
parent addf9513d0
commit aac07d49d0
2 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lib/fdtdec.c
View File

@@ -380,6 +380,21 @@ int fdtdec_get_alias_node(const void *blob, const char *name)
return fdt_path_offset(blob, prop);
}
int fdtdec_get_chosen_node(const void *blob, const char *name)
{
const char *prop;
int chosen_node;
int len;
if (!blob)
return -FDT_ERR_NOTFOUND;
chosen_node = fdt_path_offset(blob, "/chosen");
prop = fdt_getprop(blob, chosen_node, name, &len);
if (!prop)
return -FDT_ERR_NOTFOUND;
return fdt_path_offset(blob, prop);
}
int fdtdec_check_fdt(void)
{
/*