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Subject[PATCH 13/33] clk: rockchip: use match_string() helper
Date
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>
---
drivers/clk/rockchip/clk.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 3cd8ad5..514032d 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -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: find 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",
--
1.7.12.4
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