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cpufreq: pxa: call cpufreq_frequency_table_get_attr()

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This exposes frequency table of driver to cpufreq core and is required for core
to guess what the index for a target frequency is, when it calls
cpufreq_frequency_table_target(). And so this driver needs to expose it.

Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2013-09-16 18:56:04 +05:30 committed by Rafael J. Wysocki
parent 27047a6036
commit 6a77a1e642
2 changed files with 25 additions and 3 deletions
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13
drivers/cpufreq/pxa2xx-cpufreq.c
View File

@ -453,20 +453,31 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy)
find_freq_tables(&pxa255_freq_table, &pxa255_freqs);
pr_info("PXA255 cpufreq using %s frequency table\n",
pxa255_turbo_table ? "turbo" : "run");
cpufreq_frequency_table_cpuinfo(policy, pxa255_freq_table);
cpufreq_frequency_table_get_attr(pxa255_freq_table, policy->cpu);
}
else if (cpu_is_pxa27x())
else if (cpu_is_pxa27x()) {
cpufreq_frequency_table_cpuinfo(policy, pxa27x_freq_table);
cpufreq_frequency_table_get_attr(pxa27x_freq_table, policy->cpu);
}
printk(KERN_INFO "PXA CPU frequency change support initialized\n");
return 0;
}
static int pxa_cpufreq_exit(struct cpufreq_policy *policy)
{
cpufreq_frequency_table_put_attr(policy->cpu);
return 0;
}
static struct cpufreq_driver pxa_cpufreq_driver = {
.verify = pxa_verify_policy,
.target = pxa_set_target,
.init = pxa_cpufreq_init,
.exit = pxa_cpufreq_exit,
.get = pxa_cpufreq_get,
.name = "PXA2xx",
};

15
drivers/cpufreq/pxa3xx-cpufreq.c
View File

@ -91,7 +91,7 @@ static int setup_freqs_table(struct cpufreq_policy *policy,
struct pxa3xx_freq_info *freqs, int num)
{
struct cpufreq_frequency_table *table;
int i;
int i, ret;
table = kzalloc((num + 1) * sizeof(*table), GFP_KERNEL);
if (table == NULL)
@ -108,7 +108,11 @@ static int setup_freqs_table(struct cpufreq_policy *policy,
pxa3xx_freqs_num = num;
pxa3xx_freqs_table = table;
return cpufreq_frequency_table_cpuinfo(policy, table);
ret = cpufreq_frequency_table_cpuinfo(policy, table);
if (!ret)
cpufreq_frequency_table_get_attr(table, policy->cpu);
return ret;
}
static void __update_core_freq(struct pxa3xx_freq_info *info)
@ -229,10 +233,17 @@ static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy)
return 0;
}
static int pxa3xx_cpufreq_exit(struct cpufreq_policy *policy)
{
cpufreq_frequency_table_put_attr(policy->cpu);
return 0;
}
static struct cpufreq_driver pxa3xx_cpufreq_driver = {
.verify = pxa3xx_cpufreq_verify,
.target = pxa3xx_cpufreq_set,
.init = pxa3xx_cpufreq_init,
.exit = pxa3xx_cpufreq_exit,
.get = pxa3xx_cpufreq_get,
.name = "pxa3xx-cpufreq",
};