From: Frank Rowand <frank.rowand@xxxxxxxx>
More renaming of identifiers to better reflect what they do.
Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx>
---
drivers/of/overlay.c | 24 ++++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 69610637af88..bb8867cae05b 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -90,17 +90,29 @@ static int overlay_notify(struct overlay_changeset *ovcs,
return 0;
}
+/*
+ * The properties in the "/__symbols__" node are "symbols".
+ *
+ * The value of properties in the "/__symbols__" node is the path of a
+ * node in the subtree of a fragment node's "__overlay__" node, for
+ * example "/fragment@0/__overlay__/symbol_path_tail". Symbol_path_tail
+ * can be a single node or it may be a multi-node path.
+ *
+ * The duplicated property value will be modified by replacing the
+ * "/fragment_name/__overlay/" portion of the value with the target
+ * path from the fragment node.
+ */
static struct property *dup_and_fixup_symbol_prop(
struct overlay_changeset *ovcs, const struct property *prop)
{
struct fragment *fragment;
struct property *new;
const char *overlay_name;
- char *label_path;
+ char *symbol_path_tail;
char *symbol_path;
const char *target_path;
int k;
- int label_path_len;
+ int symbol_path_tail_len;
int overlay_name_len;
int target_path_len;
@@ -126,18 +138,18 @@ static struct property *dup_and_fixup_symbol_prop(
target_path = fragment->target->full_name;
target_path_len = strlen(target_path);
- label_path = symbol_path + overlay_name_len;
- label_path_len = strlen(label_path);
+ symbol_path_tail = symbol_path + overlay_name_len;
+ symbol_path_tail_len = strlen(symbol_path_tail);
new->name = kstrdup(prop->name, GFP_KERNEL);
- new->length = target_path_len + label_path_len + 1;
+ new->length = target_path_len + symbol_path_tail_len + 1;
new->value = kzalloc(new->length, GFP_KERNEL);
if (!new->name || !new->value)
goto err_free;
strcpy(new->value, target_path);
- strcpy(new->value + target_path_len, label_path);
+ strcpy(new->value + target_path_len, symbol_path_tail);
of_property_set_flag(new, OF_DYNAMIC);
--
Frank Rowand <frank.rowand@xxxxxxxx>
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