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of: Introduce and apply private is_pseudo_property()

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There are several places which check if a property name is one of
'name'|'phandle'|'linux,phandle'.

Introduce and apply private is_pseudo_property() for the check.

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250224-of_bugfix-v1-2-03640ae8c3a6@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Zijun Hu 2025-02-24 22:27:58 +08:00 committed by Rob Herring (Arm)
parent 56d733bb8f
commit f443029c9a
4 changed files with 10 additions and 9 deletions
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4
drivers/of/base.c
View File

@ -1855,9 +1855,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
int id, len;
/* Skip those we do not want to proceed */
if (!of_prop_cmp(pp->name, "name") ||
!of_prop_cmp(pp->name, "phandle") ||
!of_prop_cmp(pp->name, "linux,phandle"))
if (is_pseudo_property(pp->name))
continue;
np = of_find_node_by_path(pp->value);

7
drivers/of/of_private.h
View File

@ -208,4 +208,11 @@ static void __maybe_unused of_dump_addr(const char *s, const __be32 *addr, int n
static void __maybe_unused of_dump_addr(const char *s, const __be32 *addr, int na) { }
#endif
static inline bool is_pseudo_property(const char *prop_name)
{
return !of_prop_cmp(prop_name, "name") ||
!of_prop_cmp(prop_name, "phandle") ||
!of_prop_cmp(prop_name, "linux,phandle");
}
#endif /* _LINUX_OF_PRIVATE_H */

4
drivers/of/overlay.c
View File

@ -304,9 +304,7 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
int ret = 0;
if (target->in_livetree)
if (!of_prop_cmp(overlay_prop->name, "name") ||
!of_prop_cmp(overlay_prop->name, "phandle") ||
!of_prop_cmp(overlay_prop->name, "linux,phandle"))
if (is_pseudo_property(overlay_prop->name))
return 0;
if (target->in_livetree)

4
drivers/of/resolver.c
View File

@ -161,9 +161,7 @@ static int adjust_local_phandle_references(const struct device_node *local_fixup
for_each_property_of_node(local_fixups, prop_fix) {
/* skip properties added automatically */
if (!of_prop_cmp(prop_fix->name, "name") ||
!of_prop_cmp(prop_fix->name, "phandle") ||
!of_prop_cmp(prop_fix->name, "linux,phandle"))
if (is_pseudo_property(prop_fix->name))
continue;
if ((prop_fix->length % 4) != 0 || prop_fix->length == 0)