diff options
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 58ef3dab894a..51d673370d42 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2242,38 +2242,6 @@ static inline void clk_debug_unregister(struct clk_core *core) #endif /** - * __clk_is_ancestor - check if a clk_core is a possible ancestor of another - * @core: clock core - * @ancestor: ancestor clock core - * - * Returns true if there is a possibility that @ancestor can be an ancestor - * of @core, false otherwise. - * - * This function can be used against @core or @ancestor that has not been - * registered yet. - */ -static bool __clk_is_ancestor(struct clk_core *core, struct clk_core *ancestor) -{ - struct clk_core *parent; - int i; - - for (i = 0; i < core->num_parents; i++) { - parent = clk_core_get_parent_by_index(core, i); - /* - * If ancestor has not been added to clk_{root,orphan}_list - * yet, clk_core_lookup() cannot find it. If parent is NULL, - * compare the name strings, too. - */ - if ((parent && (parent == ancestor || - __clk_is_ancestor(parent, ancestor))) || - (!parent && !strcmp(core->parent_names[i], ancestor->name))) - return true; - } - - return false; -} - -/** * __clk_core_init - initialize the data structures in a struct clk_core * @core: clk_core being initialized * @@ -2338,14 +2306,6 @@ static int __clk_core_init(struct clk_core *core) "%s: invalid NULL in %s's .parent_names\n", __func__, core->name); - /* If core is an ancestor of itself, it would make a loop. */ - if (__clk_is_ancestor(core, core)) { - pr_err("%s: %s would create circular parent\n", __func__, - core->name); - ret = -EINVAL; - goto out; - } - core->parent = __clk_init_parent(core); /* |