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authorMasahiro Yamada <yamada.masahiro@socionext.com>2015-12-28 19:23:09 +0900
committerStephen Boyd <sboyd@codeaurora.org>2016-02-02 11:53:16 -0800
commit470b5e2f97cf8fb6a8375cc59e86314c9dd354c2 (patch)
treefc781468a6e802aad430da86a3099cd6b27d3ef0 /drivers/clk/clk.c
parent508f884a66abb61f22fcc2b36ab1e68492f1d295 (diff)
downloadlinux-470b5e2f97cf8fb6a8375cc59e86314c9dd354c2.tar.bz2
clk: simplify clk_fetch_parent_index() function
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@socionext.com> Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index da7c9a523f02..82b79a6ec0ec 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;
}