clk: rockchip: use match_string() helper (a425702f) · Commits · 戴 / test

match_string() returns the index of an array for a matching string, which can be used intead of open coded variant. Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Signed-off-by:

Yisheng Xie <xieyisheng1@huawei.com> Signed-off-by:

Heiko Stuebner <heiko@sntech.de>

drivers/clk/rockchip/clk.c

+5 −11

Original line number	Diff line number	Diff line
		@@ -274,18 +274,10 @@ static struct clk *rockchip_clk_register_frac_branch(
		struct clk_mux *frac_mux = &frac->mux;
		struct clk_init_data init;
		struct clk *mux_clk;
		int i, ret;

		frac->mux_frac_idx = -1;
		for (i = 0; i < child->num_parents; i++) {
		if (!strcmp(name, child->parent_names[i])) {
		pr_debug("%s: found fractional parent in mux at pos %d\n",
		__func__, i);
		frac->mux_frac_idx = i;
		break;
		}
		}
		int ret;

		frac->mux_frac_idx = match_string(child->parent_names,
		child->num_parents, name);
		frac->mux_ops = &clk_mux_ops;
		frac->clk_nb.notifier_call = rockchip_clk_frac_notifier_cb;

		@@ -312,6 +304,8 @@ static struct clk *rockchip_clk_register_frac_branch(

		/* notifier on the fraction divider to catch rate changes */
		if (frac->mux_frac_idx >= 0) {
		pr_debug("%s: found fractional parent in mux at pos %d\n",
		__func__, frac->mux_frac_idx);
		ret = clk_notifier_register(clk, &frac->clk_nb);
		if (ret)
		pr_err("%s: failed to register clock notifier for %s\n",

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