cpufreq: OMAP: remove loops_per_jiffy recalculate for smp
With ARM smp common code recalculating loops_per_jiffy in a cpufreq transiton notifier call, the loops_per_jiffy recalculate in omap-cpufreq driver becomes redundant. Remove it. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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@ -40,16 +40,6 @@
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/* OPP tolerance in percentage */
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#define OPP_TOLERANCE 4
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#ifdef CONFIG_SMP
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struct lpj_info {
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unsigned long ref;
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unsigned int freq;
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};
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static DEFINE_PER_CPU(struct lpj_info, lpj_ref);
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static struct lpj_info global_lpj_ref;
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#endif
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static struct cpufreq_frequency_table *freq_table;
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static atomic_t freq_table_users = ATOMIC_INIT(0);
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static struct clk *mpu_clk;
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@ -161,31 +151,6 @@ static int omap_target(struct cpufreq_policy *policy,
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}
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freqs.new = omap_getspeed(policy->cpu);
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#ifdef CONFIG_SMP
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/*
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* Note that loops_per_jiffy is not updated on SMP systems in
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* cpufreq driver. So, update the per-CPU loops_per_jiffy value
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* on frequency transition. We need to update all dependent CPUs.
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*/
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for_each_cpu(i, policy->cpus) {
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struct lpj_info *lpj = &per_cpu(lpj_ref, i);
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if (!lpj->freq) {
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lpj->ref = per_cpu(cpu_data, i).loops_per_jiffy;
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lpj->freq = freqs.old;
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}
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per_cpu(cpu_data, i).loops_per_jiffy =
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cpufreq_scale(lpj->ref, lpj->freq, freqs.new);
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}
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/* And don't forget to adjust the global one */
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if (!global_lpj_ref.freq) {
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global_lpj_ref.ref = loops_per_jiffy;
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global_lpj_ref.freq = freqs.old;
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}
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loops_per_jiffy = cpufreq_scale(global_lpj_ref.ref, global_lpj_ref.freq,
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freqs.new);
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#endif
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done:
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/* notifiers */
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