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CPUFREQ: Loongson2: drop set_cpus_allowed_ptr()

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It is pure mystery to me why we need to be on a specific CPU while
looking up a value in an array.
My best shot at this is that before commit d4019f0a92 ("cpufreq: move
freq change notifications to cpufreq core") it was required to invoke
cpufreq_notify_transition() on a special CPU.

Since it looks like a waste, remove it.

Signed-off-by: Sebastian Andrzej Siewior <[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/15888/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Sebastian Andrzej Siewior 2017-04-04 17:49:57 +02:00 • committed by Ralf Baechle
commit 759f534e93
1 changed files with 0 additions and 7 deletions
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7
drivers/cpufreq/loongson2_cpufreq.c
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@ -51,19 +51,12 @@ static int loongson2_cpu_freq_notifier(struct notifier_block *nb,
static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
unsigned int index)
{
unsigned int cpu = policy->cpu;
cpumask_t cpus_allowed;
unsigned int freq;
cpus_allowed = current->cpus_allowed;
set_cpus_allowed_ptr(current, cpumask_of(cpu));
freq =
((cpu_clock_freq / 1000) *
loongson2_clockmod_table[index].driver_data) / 8;
set_cpus_allowed_ptr(current, &cpus_allowed);
/* setting the cpu frequency */
clk_set_rate(policy->clk, freq * 1000);