cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
clk_set_rate() isn't supposed to accept approximate frequencies, instead a supported frequency should be obtained from clk_round_rate() and then used to set the clock. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -45,7 +45,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
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struct cpufreq_freqs freqs;
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struct opp *opp;
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unsigned long volt = 0, volt_old = 0, tol = 0;
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long freq_Hz;
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long freq_Hz, freq_exact;
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unsigned int index;
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int ret;
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@ -60,6 +60,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
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freq_Hz = clk_round_rate(cpu_clk, freq_table[index].frequency * 1000);
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if (freq_Hz < 0)
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freq_Hz = freq_table[index].frequency * 1000;
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freq_exact = freq_Hz;
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freqs.new = freq_Hz / 1000;
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freqs.old = clk_get_rate(cpu_clk) / 1000;
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@ -98,7 +99,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
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}
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}
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ret = clk_set_rate(cpu_clk, freqs.new * 1000);
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ret = clk_set_rate(cpu_clk, freq_exact);
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if (ret) {
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pr_err("failed to set clock rate: %d\n", ret);
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if (cpu_reg)
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