add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/cpufreq/bmips-cpufreq.c
..
..
@@ -131,23 +131,18 @@
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 static int bmips_cpufreq_init(struct cpufreq_policy *policy)
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 {
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 	struct cpufreq_frequency_table *freq_table;
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-	int ret;
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 	freq_table = bmips_cpufreq_get_freq_table(policy);
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 	if (IS_ERR(freq_table)) {
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-		ret = PTR_ERR(freq_table);
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-		pr_err("%s: couldn't determine frequency table (%d).\n",
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-			BMIPS_CPUFREQ_NAME, ret);
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-		return ret;
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+		pr_err("%s: couldn't determine frequency table (%ld).\n",
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+			BMIPS_CPUFREQ_NAME, PTR_ERR(freq_table));
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+		return PTR_ERR(freq_table);
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 	}
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-	ret = cpufreq_generic_init(policy, freq_table, TRANSITION_LATENCY);
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-	if (ret)
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-		bmips_cpufreq_exit(policy);
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-	else
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-		pr_info("%s: registered\n", BMIPS_CPUFREQ_NAME);
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+	cpufreq_generic_init(policy, freq_table, TRANSITION_LATENCY);
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+	pr_info("%s: registered\n", BMIPS_CPUFREQ_NAME);
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-	return ret;
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+	return 0;
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 }
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 static struct cpufreq_driver bmips_cpufreq_driver = {