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Commit 0ca68436 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Rafael J. Wysocki
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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: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 2f7021a8

drivers/cpufreq/cpufreq-cpu0.c

+3 −2
Original line number Diff line number Diff line
@@ -45,7 +45,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy, 
	struct cpufreq_freqs freqs;

	struct opp *opp;

	unsigned long volt = 0, volt_old = 0, tol = 0;

	long freq_Hz;

	long freq_Hz, freq_exact;

	unsigned int index;

	int ret;
@@ -60,6 +60,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy, 
	freq_Hz = clk_round_rate(cpu_clk, freq_table[index].frequency * 1000);

	if (freq_Hz < 0)

		freq_Hz = freq_table[index].frequency * 1000;

	freq_exact = freq_Hz;

	freqs.new = freq_Hz / 1000;

	freqs.old = clk_get_rate(cpu_clk) / 1000;
@@ -98,7 +99,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy, 
		}

	}



	ret = clk_set_rate(cpu_clk, freqs.new * 1000);

	ret = clk_set_rate(cpu_clk, freq_exact);

	if (ret) {

		pr_err("failed to set clock rate: %d\n", ret);

		if (cpu_reg)