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path: root/drivers/cpufreq/powernow-k6.c
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Diffstat (limited to 'drivers/cpufreq/powernow-k6.c')
-rw-r--r--drivers/cpufreq/powernow-k6.c67
1 files changed, 8 insertions, 59 deletions
diff --git a/drivers/cpufreq/powernow-k6.c b/drivers/cpufreq/powernow-k6.c
index 85f1c8c25dd..643e7952cad 100644
--- a/drivers/cpufreq/powernow-k6.c
+++ b/drivers/cpufreq/powernow-k6.c
@@ -63,12 +63,12 @@ static int powernow_k6_get_cpu_multiplier(void)
/**
- * powernow_k6_set_state - set the PowerNow! multiplier
+ * powernow_k6_target - set the PowerNow! multiplier
* @best_i: clock_ratio[best_i] is the target multiplier
*
* Tries to change the PowerNow! multiplier
*/
-static void powernow_k6_set_state(struct cpufreq_policy *policy,
+static int powernow_k6_target(struct cpufreq_policy *policy,
unsigned int best_i)
{
unsigned long outvalue = 0, invalue = 0;
@@ -77,7 +77,7 @@ static void powernow_k6_set_state(struct cpufreq_policy *policy,
if (clock_ratio[best_i].driver_data > max_multiplier) {
printk(KERN_ERR PFX "invalid target frequency\n");
- return;
+ return -EINVAL;
}
freqs.old = busfreq * powernow_k6_get_cpu_multiplier();
@@ -100,44 +100,6 @@ static void powernow_k6_set_state(struct cpufreq_policy *policy,
cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
- return;
-}
-
-
-/**
- * powernow_k6_verify - verifies a new CPUfreq policy
- * @policy: new policy
- *
- * Policy must be within lowest and highest possible CPU Frequency,
- * and at least one possible state must be within min and max.
- */
-static int powernow_k6_verify(struct cpufreq_policy *policy)
-{
- return cpufreq_frequency_table_verify(policy, &clock_ratio[0]);
-}
-
-
-/**
- * powernow_k6_setpolicy - sets a new CPUFreq policy
- * @policy: new policy
- * @target_freq: the target frequency
- * @relation: how that frequency relates to achieved frequency
- * (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H)
- *
- * sets a new CPUFreq policy
- */
-static int powernow_k6_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- unsigned int newstate = 0;
-
- if (cpufreq_frequency_table_target(policy, &clock_ratio[0],
- target_freq, relation, &newstate))
- return -EINVAL;
-
- powernow_k6_set_state(policy, newstate);
-
return 0;
}
@@ -145,7 +107,6 @@ static int powernow_k6_target(struct cpufreq_policy *policy,
static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
{
unsigned int i, f;
- int result;
if (policy->cpu != 0)
return -ENODEV;
@@ -165,15 +126,8 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
/* cpuinfo and default policy values */
policy->cpuinfo.transition_latency = 200000;
- policy->cur = busfreq * max_multiplier;
-
- result = cpufreq_frequency_table_cpuinfo(policy, clock_ratio);
- if (result)
- return result;
-
- cpufreq_frequency_table_get_attr(clock_ratio, policy->cpu);
- return 0;
+ return cpufreq_table_validate_and_show(policy, clock_ratio);
}
@@ -182,7 +136,7 @@ static int powernow_k6_cpu_exit(struct cpufreq_policy *policy)
unsigned int i;
for (i = 0; i < 8; i++) {
if (i == max_multiplier)
- powernow_k6_set_state(policy, i);
+ powernow_k6_target(policy, i);
}
cpufreq_frequency_table_put_attr(policy->cpu);
return 0;
@@ -195,19 +149,14 @@ static unsigned int powernow_k6_get(unsigned int cpu)
return ret;
}
-static struct freq_attr *powernow_k6_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL,
-};
-
static struct cpufreq_driver powernow_k6_driver = {
- .verify = powernow_k6_verify,
- .target = powernow_k6_target,
+ .verify = cpufreq_generic_frequency_table_verify,
+ .target_index = powernow_k6_target,
.init = powernow_k6_cpu_init,
.exit = powernow_k6_cpu_exit,
.get = powernow_k6_get,
.name = "powernow-k6",
- .attr = powernow_k6_attr,
+ .attr = cpufreq_generic_attr,
};
static const struct x86_cpu_id powernow_k6_ids[] = {