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Subject[PATCH 12/33] clk: bcm2835: 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: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Yisheng Xie <xieyisheng1@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
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