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CPUFREQ: Loongson1: Replace kzalloc() with kcalloc()

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This patch replaces kzalloc() with kcalloc() when allocating
frequency table, and remove unnecessary 'out of memory' message.

Signed-off-by: Kelvin Cheung <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/13053/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Kelvin Cheung 2016-04-12 18:40:16 +08:00 • committed by Ralf Baechle
commit 379e38a763
1 changed files with 4 additions and 8 deletions
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12
drivers/cpufreq/loongson1-cpufreq.c
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@ -81,13 +81,9 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy)
pll_freq = clk_get_rate(ls1x_cpufreq.pll_clk) / 1000;
steps = 1 << DIV_CPU_WIDTH;
freq_tbl = kzalloc(sizeof(*freq_tbl) * steps, GFP_KERNEL);
if (!freq_tbl) {
dev_err(ls1x_cpufreq.dev,
"failed to alloc cpufreq_frequency_table\n");
ret = -ENOMEM;
goto out;
}
freq_tbl = kcalloc(steps, sizeof(*freq_tbl), GFP_KERNEL);
if (!freq_tbl)
return -ENOMEM;
for (i = 0; i < (steps - 1); i++) {
freq = pll_freq / (i + 1);
@ -106,7 +102,7 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy)
ret = cpufreq_generic_init(policy, freq_tbl, 0);
if (ret)
kfree(freq_tbl);
out:
return ret;
}