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clk: tegra: Use match_string() helper to simplify the code

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match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lkml.kernel.org/r/20191109034226.21044-1-yuehaibing@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
YueHaibing 2019-11-09 11:42:26 +08:00 committed by Stephen Boyd
parent 097064b841
commit a31414e8c9
1 changed files with 4 additions and 8 deletions
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12
drivers/clk/tegra/clk-emc.c
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@ -403,20 +403,16 @@ static int load_one_timing_from_dt(struct tegra_clk_emc *tegra,
}
timing->parent_index = 0xff;
for (i = 0; i < ARRAY_SIZE(emc_parent_clk_names); i++) {
if (!strcmp(emc_parent_clk_names[i],
__clk_get_name(timing->parent))) {
timing->parent_index = i;
break;
}
}
if (timing->parent_index == 0xff) {
i = match_string(emc_parent_clk_names, ARRAY_SIZE(emc_parent_clk_names),
__clk_get_name(timing->parent));
if (i < 0) {
pr_err("timing %pOF: %s is not a valid parent\n",
node, __clk_get_name(timing->parent));
clk_put(timing->parent);
return -EINVAL;
}
timing->parent_index = i;
return 0;
}