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clk: rockchip: use match_string() helper 

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>
This commit is contained in:
Yisheng Xie 2018-05-21 19:57:50 +08:00 committed by Heiko Stuebner
parent 60cc43fc88
commit a425702f68
1 changed files with 5 additions and 11 deletions
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16
drivers/clk/rockchip/clk.c
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@ -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",