[RFC PATCH v2 20/74] dtc: Extend complete_references() to handle export symbols
From: Herve Codina <herve.codina@bootlin.com>
Date: 2026-08-26 09:51:45
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Export symbols parsed from a .dts or .dtb file suffer from the same incompleteness as REF_PHANDLE markers. They may lack either the ref string or the is_local flag depending on the device-tree input format used. Apply the same completion operation as the one done for REF_PHANDLE markers. Signed-off-by: Herve Codina <herve.codina@bootlin.com> --- livetree.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/livetree.c b/livetree.c
index 111c651b..8c94e81f 100644
--- a/livetree.c
+++ b/livetree.c@@ -584,6 +584,7 @@ static void complete_ref_and_is_local(struct dt_info *dti, char **ref, static void complete_references_internal(struct dt_info *dti, struct node *node) { + struct symbol *exportsym; struct property *prop; struct marker *m; struct node *c;
@@ -613,6 +614,16 @@ static void complete_references_internal(struct dt_info *dti, struct node *node) } } + /* + * The exact same behavior exists for export symbols when a dts or a dtb + * is parsed. Perform the exact same completion for export symbols + */ + for_each_symbol(node->exportsymlist, exportsym) { + complete_ref_and_is_local(dti, &exportsym->ref, + &exportsym->is_local, + exportsym->phandle); + } + for_each_child(node, c) complete_references_internal(dti, c); }
@@ -637,7 +648,7 @@ struct dt_info *build_dt_info(unsigned int dtsflags, fill_fullpaths(dti->dt, ""); /* - * Complete references (REF_PHANDLE). + * Complete references (REF_PHANDLE and export symbols). * Set ref strings and set is_local flags */ complete_references(dti);
--
2.55.0