| From | Yisheng Xie <> | Subject | [PATCH v2 09/21] clk: use match_string() helper | Date | Thu, 31 May 2018 19:11:14 +0800 |
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match_string() returns the index of an array for a matching string, which can be used instead of open coded variant.
Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: linux-clk@vger.kernel.org Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> --- v2: - leave second parameter on the first line - per Andy
drivers/clk/clk.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 7af555f..d01bdda 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2171,7 +2171,6 @@ void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent) bool clk_has_parent(struct clk *clk, struct clk *parent) { struct clk_core *core, *parent_core; - unsigned int i; /* NULL clocks should be nops, so return success if either is NULL. */ if (!clk || !parent) @@ -2184,11 +2183,8 @@ bool clk_has_parent(struct clk *clk, struct clk *parent) if (core->parent == parent_core) return true; - for (i = 0; i < core->num_parents; i++) - if (strcmp(core->parent_names[i], parent_core->name) == 0) - return true; - - return false; + return match_string(core->parent_names, core->num_parents, + parent_core->name) >= 0; } EXPORT_SYMBOL_GPL(clk_has_parent); -- 1.7.12.4
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