mirror of https://gitee.com/openkylin/linux.git
clk: use match_string() helper
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: linux-clk@vger.kernel.org Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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@ -2170,7 +2170,6 @@ void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent)
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bool clk_has_parent(struct clk *clk, struct clk *parent)
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{
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struct clk_core *core, *parent_core;
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unsigned int i;
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/* NULL clocks should be nops, so return success if either is NULL. */
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if (!clk || !parent)
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@ -2183,11 +2182,8 @@ bool clk_has_parent(struct clk *clk, struct clk *parent)
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if (core->parent == parent_core)
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return true;
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for (i = 0; i < core->num_parents; i++)
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if (strcmp(core->parent_names[i], parent_core->name) == 0)
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return true;
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return false;
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return match_string(core->parent_names, core->num_parents,
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parent_core->name) >= 0;
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}
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EXPORT_SYMBOL_GPL(clk_has_parent);
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