Some device tree node parsed by of_count_phandle_with_args() have no #*-cells
parameter. To make linux device trees work with barebox, we should accept
cells_name set to NULL, so sync this behavior with linux.
Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
---
drivers/of/base.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 838f530f8..d72c687ef 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1360,7 +1360,8 @@ static int __of_parse_phandle_with_args(const struct device_node *np,
np->full_name);
goto err;
}
- if (of_property_read_u32(node, cells_name, &count)) {
+ if (cells_name &&
+ of_property_read_u32(node, cells_name, &count)) {
pr_err("%s: could not get %s for %s\n",
np->full_name, cells_name,
node->full_name);
--
2.20.1
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