[PATCH v2 15/16] clk: simplify clk_fetch_parent_index() function
Masahiro Yamada
yamada.masahiro at socionext.com
Mon Dec 28 02:10:28 PST 2015
The clk_core_get_parent_by_index can be used as a helper function
to simplify the implementation of clk_fetch_parent_index().
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
Changes in v2: None
drivers/clk/clk.c | 18 ++----------------
1 file changed, 2 insertions(+), 16 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 151cbe8..5b9aec0 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1069,23 +1069,9 @@ static int clk_fetch_parent_index(struct clk_core *core,
if (!parent)
return -EINVAL;
- /*
- * find index of new parent clock using cached parent ptrs,
- * or if not yet cached, use string name comparison and cache
- * them now to avoid future calls to clk_core_lookup.
- */
- for (i = 0; i < core->num_parents; i++) {
- if (core->parents[i] == parent)
- return i;
-
- if (core->parents[i])
- continue;
-
- if (!strcmp(core->parent_names[i], parent->name)) {
- core->parents[i] = clk_core_lookup(parent->name);
+ for (i = 0; i < core->num_parents; i++)
+ if (clk_core_get_parent_by_index(core, i) == parent)
return i;
- }
- }
return -EINVAL;
}
--
1.9.1
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