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cpufreq: add new routine cpufreq_verify_within_cpu_limits()

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Most of the users of cpufreq_verify_within_limits() calls it for
limiting with min/max from policy->cpuinfo. We can make that code
simple by introducing another routine which will do this for them
automatically.

This patch adds another routine cpufreq_verify_within_cpu_limits()
and updates others to use it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2013-10-02 14:13:19 +05:30 committed by Rafael J. Wysocki
parent 0b981e7074
commit be49e3465f
10 changed files with 19 additions and 33 deletions
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4
drivers/cpufreq/cpufreq-nforce2.c
View File

@ -303,9 +303,7 @@ static int nforce2_verify(struct cpufreq_policy *policy)
if (policy->min < (fsb_pol_max * fid * 100))
policy->max = (fsb_pol_max + 1) * fid * 100;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
return 0;
}

4
drivers/cpufreq/davinci-cpufreq.c
View File

@ -50,9 +50,7 @@ static int davinci_verify_speed(struct cpufreq_policy *policy)
if (policy->cpu)
return -EINVAL;
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
policy->min = clk_round_rate(armclk, policy->min * 1000) / 1000;
policy->max = clk_round_rate(armclk, policy->max * 1000) / 1000;
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,

6
drivers/cpufreq/freq_table.c
View File

@ -60,8 +60,7 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
pr_debug("request for verification of policy (%u - %u kHz) for cpu %u\n",
policy->min, policy->max, policy->cpu);
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
for (; freq = table[i].frequency, freq != CPUFREQ_TABLE_END; i++) {
if (freq == CPUFREQ_ENTRY_INVALID)
@ -77,8 +76,7 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
if (!found) {
policy->max = next_larger;
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
}
pr_debug("verification lead to (%u - %u kHz) for cpu %u\n",

9
drivers/cpufreq/integrator-cpufreq.c
View File

@ -59,9 +59,7 @@ static int integrator_verify_policy(struct cpufreq_policy *policy)
{
struct icst_vco vco;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
vco = icst_hz_to_vco(&cclk_params, policy->max * 1000);
policy->max = icst_hz(&cclk_params, vco) / 1000;
@ -69,10 +67,7 @@ static int integrator_verify_policy(struct cpufreq_policy *policy)
vco = icst_hz_to_vco(&cclk_params, policy->min * 1000);
policy->min = icst_hz(&cclk_params, vco) / 1000;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
return 0;
}

4
drivers/cpufreq/intel_pstate.c
View File

@ -611,9 +611,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
static int intel_pstate_verify_policy(struct cpufreq_policy *policy)
{
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) &&
(policy->policy != CPUFREQ_POLICY_PERFORMANCE))

4
drivers/cpufreq/longrun.c
View File

@ -129,9 +129,7 @@ static int longrun_verify_policy(struct cpufreq_policy *policy)
return -EINVAL;
policy->cpu = 0;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) &&
(policy->policy != CPUFREQ_POLICY_PERFORMANCE))

3
drivers/cpufreq/pcc-cpufreq.c
View File

@ -111,8 +111,7 @@ static struct pcc_cpu __percpu *pcc_cpu_info;
static int pcc_cpufreq_verify(struct cpufreq_policy *policy)
{
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
return 0;
}

7
drivers/cpufreq/sh-cpufreq.c
View File

@ -87,15 +87,12 @@ static int sh_cpufreq_verify(struct cpufreq_policy *policy)
if (freq_table)
return cpufreq_frequency_table_verify(policy, freq_table);
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
policy->min = (clk_round_rate(cpuclk, 1) + 500) / 1000;
policy->max = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
return 0;
}

4
drivers/cpufreq/unicore2-cpufreq.c
View File

@ -29,9 +29,7 @@ static int ucv2_verify_speed(struct cpufreq_policy *policy)
if (policy->cpu)
return -EINVAL;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
cpufreq_verify_within_cpu_limits(policy);
return 0;
}

7
include/linux/cpufreq.h
View File

@ -242,6 +242,13 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy,
return;
}
static inline void
cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
{
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
}
/*********************************************************************
* CPUFREQ NOTIFIER INTERFACE *
*********************************************************************/