diff options
| -rw-r--r-- | drivers/of/base.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index 55e7f5bb0549..2f25d2dfecfa 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1335,11 +1335,20 @@ int of_phandle_iterator_next(struct of_phandle_iterator *it) if (of_property_read_u32(it->node, it->cells_name, &count)) { - pr_err("%pOF: could not get %s for %pOF\n", - it->parent, - it->cells_name, - it->node); - goto err; + /* + * If both cell_count and cells_name is given, + * fall back to cell_count in absence + * of the cells_name property + */ + if (it->cell_count >= 0) { + count = it->cell_count; + } else { + pr_err("%pOF: could not get %s for %pOF\n", + it->parent, + it->cells_name, + it->node); + goto err; + } } } else { count = it->cell_count; @@ -1505,7 +1514,7 @@ int of_parse_phandle_with_args(const struct device_node *np, const char *list_na { if (index < 0) return -EINVAL; - return __of_parse_phandle_with_args(np, list_name, cells_name, 0, + return __of_parse_phandle_with_args(np, list_name, cells_name, -1, index, out_args); } EXPORT_SYMBOL(of_parse_phandle_with_args); @@ -1588,7 +1597,7 @@ int of_parse_phandle_with_args_map(const struct device_node *np, if (!pass_name) goto free; - ret = __of_parse_phandle_with_args(np, list_name, cells_name, 0, index, + ret = __of_parse_phandle_with_args(np, list_name, cells_name, -1, index, out_args); if (ret) goto free; @@ -1756,7 +1765,7 @@ int of_count_phandle_with_args(const struct device_node *np, const char *list_na struct of_phandle_iterator it; int rc, cur_index = 0; - rc = of_phandle_iterator_init(&it, np, list_name, cells_name, 0); + rc = of_phandle_iterator_init(&it, np, list_name, cells_name, -1); if (rc) return rc; |