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path: root/drivers/cpufreq/pasemi-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/pasemi-cpufreq.c')
-rw-r--r--drivers/cpufreq/pasemi-cpufreq.c52
1 files changed, 7 insertions, 45 deletions
diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
index 534e43a60d1f..0426008380d8 100644
--- a/drivers/cpufreq/pasemi-cpufreq.c
+++ b/drivers/cpufreq/pasemi-cpufreq.c
@@ -28,6 +28,7 @@
#include <linux/cpufreq.h>
#include <linux/timer.h>
#include <linux/module.h>
+#include <linux/of_address.h>
#include <asm/hw_irq.h>
#include <asm/io.h>
@@ -51,8 +52,6 @@
static void __iomem *sdcpwr_mapbase;
static void __iomem *sdcasr_mapbase;
-static DEFINE_MUTEX(pas_switch_mutex);
-
/* Current astate, is used when waking up from power savings on
* one core, in case the other core has switched states during
* the idle time.
@@ -69,11 +68,6 @@ static struct cpufreq_frequency_table pas_freqs[] = {
{0, CPUFREQ_TABLE_END},
};
-static struct freq_attr *pas_cpu_freqs_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL,
-};
-
/*
* hardware specific functions
*/
@@ -209,22 +203,13 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
pr_debug("%d: %d\n", i, pas_freqs[i].frequency);
}
- policy->cpuinfo.transition_latency = get_gizmo_latency();
-
cur_astate = get_cur_astate(policy->cpu);
pr_debug("current astate is at %d\n",cur_astate);
policy->cur = pas_freqs[cur_astate].frequency;
- cpumask_copy(policy->cpus, cpu_online_mask);
-
ppc_proc_freq = policy->cur * 1000ul;
- cpufreq_frequency_table_get_attr(pas_freqs, policy->cpu);
-
- /* this ensures that policy->cpuinfo_min and policy->cpuinfo_max
- * are set correctly
- */
- return cpufreq_frequency_table_cpuinfo(policy, pas_freqs);
+ return cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency());
out_unmap_sdcpwr:
iounmap(sdcpwr_mapbase);
@@ -253,31 +238,11 @@ static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy)
return 0;
}
-static int pas_cpufreq_verify(struct cpufreq_policy *policy)
-{
- return cpufreq_frequency_table_verify(policy, pas_freqs);
-}
-
static int pas_cpufreq_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
+ unsigned int pas_astate_new)
{
- struct cpufreq_freqs freqs;
- int pas_astate_new;
int i;
- cpufreq_frequency_table_target(policy,
- pas_freqs,
- target_freq,
- relation,
- &pas_astate_new);
-
- freqs.old = policy->cur;
- freqs.new = pas_freqs[pas_astate_new].frequency;
-
- mutex_lock(&pas_switch_mutex);
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
-
pr_debug("setting frequency for cpu %d to %d kHz, 1/%d of max frequency\n",
policy->cpu,
pas_freqs[pas_astate_new].frequency,
@@ -288,10 +253,7 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy,
for_each_online_cpu(i)
set_astate(i, pas_astate_new);
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
- mutex_unlock(&pas_switch_mutex);
-
- ppc_proc_freq = freqs.new * 1000ul;
+ ppc_proc_freq = pas_freqs[pas_astate_new].frequency * 1000ul;
return 0;
}
@@ -300,9 +262,9 @@ static struct cpufreq_driver pas_cpufreq_driver = {
.flags = CPUFREQ_CONST_LOOPS,
.init = pas_cpufreq_cpu_init,
.exit = pas_cpufreq_cpu_exit,
- .verify = pas_cpufreq_verify,
- .target = pas_cpufreq_target,
- .attr = pas_cpu_freqs_attr,
+ .verify = cpufreq_generic_frequency_table_verify,
+ .target_index = pas_cpufreq_target,
+ .attr = cpufreq_generic_attr,
};
/*