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authorRafael J. Wysocki <rjw@rjwysocki.net>2013-10-25 22:36:40 +0200
committerRafael J. Wysocki <rjw@rjwysocki.net>2013-10-25 22:36:40 +0200
commit6ddee424fea2d269c2f402278d93165c7b92dc58 (patch)
treec1b1d0d9058846a6da22def648dea61e16faacd0 /drivers/cpufreq/arm_big_little.c
parente4db1c7439b31993a4886b273bb9235a8eea82bf (diff)
parenta814613b9a32d9ab9578d9dab396265c826d37f0 (diff)
downloadleg-kernel-6ddee424fea2d269c2f402278d93165c7b92dc58.tar.gz
Merge back earlier 'pm-cpufreq' material.
Conflicts: drivers/cpufreq/omap-cpufreq.c
Diffstat (limited to 'drivers/cpufreq/arm_big_little.c')
-rw-r--r--drivers/cpufreq/arm_big_little.c31
1 files changed, 7 insertions, 24 deletions
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index e010fb722c6b..086f7c17ff58 100644
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -47,14 +47,6 @@ static unsigned int bL_cpufreq_get(unsigned int cpu)
return clk_get_rate(clk[cur_cluster]) / 1000;
}
-/* Validate policy frequency range */
-static int bL_cpufreq_verify_policy(struct cpufreq_policy *policy)
-{
- u32 cur_cluster = cpu_to_cluster(policy->cpu);
-
- return cpufreq_frequency_table_verify(policy, freq_table[cur_cluster]);
-}
-
/* Set clock frequency */
static int bL_cpufreq_set_target(struct cpufreq_policy *policy,
unsigned int target_freq, unsigned int relation)
@@ -127,7 +119,7 @@ static int get_cluster_clk_and_freq_table(struct device *cpu_dev)
}
name[12] = cluster + '0';
- clk[cluster] = clk_get_sys(name, NULL);
+ clk[cluster] = clk_get(cpu_dev, name);
if (!IS_ERR(clk[cluster])) {
dev_dbg(cpu_dev, "%s: clk: %p & freq table: %p, cluster: %d\n",
__func__, clk[cluster], freq_table[cluster],
@@ -165,7 +157,7 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy)
if (ret)
return ret;
- ret = cpufreq_frequency_table_cpuinfo(policy, freq_table[cur_cluster]);
+ ret = cpufreq_table_validate_and_show(policy, freq_table[cur_cluster]);
if (ret) {
dev_err(cpu_dev, "CPU %d, cluster: %d invalid freq table\n",
policy->cpu, cur_cluster);
@@ -173,16 +165,12 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy)
return ret;
}
- cpufreq_frequency_table_get_attr(freq_table[cur_cluster], policy->cpu);
-
if (arm_bL_ops->get_transition_latency)
policy->cpuinfo.transition_latency =
arm_bL_ops->get_transition_latency(cpu_dev);
else
policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
- policy->cur = bL_cpufreq_get(policy->cpu);
-
cpumask_copy(policy->cpus, topology_core_cpumask(policy->cpu));
dev_info(cpu_dev, "%s: CPU %d initialized\n", __func__, policy->cpu);
@@ -200,28 +188,23 @@ static int bL_cpufreq_exit(struct cpufreq_policy *policy)
return -ENODEV;
}
+ cpufreq_frequency_table_put_attr(policy->cpu);
put_cluster_clk_and_freq_table(cpu_dev);
dev_dbg(cpu_dev, "%s: Exited, cpu: %d\n", __func__, policy->cpu);
return 0;
}
-/* Export freq_table to sysfs */
-static struct freq_attr *bL_cpufreq_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL,
-};
-
static struct cpufreq_driver bL_cpufreq_driver = {
.name = "arm-big-little",
- .flags = CPUFREQ_STICKY,
- .verify = bL_cpufreq_verify_policy,
+ .flags = CPUFREQ_STICKY |
+ CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
+ .verify = cpufreq_generic_frequency_table_verify,
.target = bL_cpufreq_set_target,
.get = bL_cpufreq_get,
.init = bL_cpufreq_init,
.exit = bL_cpufreq_exit,
- .have_governor_per_policy = true,
- .attr = bL_cpufreq_attr,
+ .attr = cpufreq_generic_attr,
};
int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops)