[PATCH 12/33] clk: bcm2835: use match_string() helper

[Yisheng Xie]

match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.

Cc: Michael Turquette <mturque...@baylibre.com>
Cc: Stephen Boyd <sb...@kernel.org>
Cc: Eric Anholt <e...@anholt.net>
Cc: Stefan Wahren <stefan.wah...@i2se.com>
Cc: linux-...@vger.kernel.org
Cc: linux-rpi-ker...@lists.infradead.org
Cc: linux-arm-ker...@lists.infradead.org
Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
---
 drivers/clk/bcm/clk-bcm2835.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index fa0d5c8..a27c0d2 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1395,8 +1395,7 @@ static struct clk_hw *bcm2835_register_clock(struct 
bcm2835_cprman *cprman,
        struct bcm2835_clock *clock;
        struct clk_init_data init;
        const char *parents[1 << CM_SRC_BITS];
-       size_t i, j;
-       int ret;
+       int i, ret;
 
        /*
         * Replace our strings referencing parent clocks with the
@@ -1405,12 +1404,11 @@ static struct clk_hw *bcm2835_register_clock(struct 
bcm2835_cprman *cprman,
        for (i = 0; i < data->num_mux_parents; i++) {
                parents[i] = data->parents[i];
 
-               for (j = 0; j < ARRAY_SIZE(cprman_parent_names); j++) {
-                       if (strcmp(parents[i], cprman_parent_names[j]) == 0) {
-                               parents[i] = cprman->real_parent_names[j];
-                               break;
-                       }
-               }
+               ret = match_string(cprman_parent_names,
+                                  ARRAY_SIZE(cprman_parent_names),
+                                  parents[i]);
+               if (ret >= 0)
+                       parents[i] = cprman->real_parent_names[ret];
        }
 
        memset(&init, 0, sizeof(init));
-- 
1.7.12.4