From 589e8be90ac9053d12eff741aed5430edf062298 Mon Sep 17 00:00:00 2001
From: Dominik Brodowski <linux@brodo.de>
Date: Fri, 14 Feb 2003 20:44:13 -0800
Subject: [PATCH] cpufreq: move frequency table helpers to extra module

The CPU frequency table helpers can easily be modularized --
especially as they are not needed on all architectures, or for
all drivers (even on x86 -- see longrun and gx-suspmod)
---
 kernel/cpufreq.c | 188 -------------------------------------------------------
 1 file changed, 188 deletions(-)

(limited to 'kernel')

diff --git a/kernel/cpufreq.c b/kernel/cpufreq.c
index b28ebbd7ef3b..4de004bf4aa6 100644
--- a/kernel/cpufreq.c
+++ b/kernel/cpufreq.c
@@ -1582,191 +1582,3 @@ EXPORT_SYMBOL_GPL(cpufreq_restore);
 #else
 #define cpufreq_restore() do {} while (0)
 #endif /* CONFIG_PM */
-
-
-/*********************************************************************
- *                     FREQUENCY TABLE HELPERS                       *
- *********************************************************************/
-
-int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
-				    struct cpufreq_frequency_table *table)
-{
-	unsigned int min_freq = ~0;
-	unsigned int max_freq = 0;
-	unsigned int i = 0;
-
-	for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
-		unsigned int freq = table[i].frequency;
-		if (freq == CPUFREQ_ENTRY_INVALID)
-			continue;
-		if (freq < min_freq)
-			min_freq = freq;
-		if (freq > max_freq)
-			max_freq = freq;
-	}
-
-	policy->min = policy->cpuinfo.min_freq = min_freq;
-	policy->max = policy->cpuinfo.max_freq = max_freq;
-
-	if (policy->min == ~0)
-		return -EINVAL;
-	else
-		return 0;
-}
-EXPORT_SYMBOL_GPL(cpufreq_frequency_table_cpuinfo);
-
-
-int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
-				   struct cpufreq_frequency_table *table)
-{
-	unsigned int next_larger = ~0;
-	unsigned int i = 0;
-	unsigned int count = 0;
-
-	if (!cpu_online(policy->cpu))
-		return -EINVAL;
-
-	cpufreq_verify_within_limits(policy, 
-				     policy->cpuinfo.min_freq, 
-				     policy->cpuinfo.max_freq);
-
-	for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
-		unsigned int freq = table[i].frequency;
-		if (freq == CPUFREQ_ENTRY_INVALID)
-			continue;
-		if ((freq >= policy->min) && (freq <= policy->max))
-			count++;
-		else if ((next_larger > freq) && (freq > policy->max))
-			next_larger = freq;
-	}
-
-	if (!count)
-		policy->max = next_larger;
-
-	cpufreq_verify_within_limits(policy, 
-				     policy->cpuinfo.min_freq, 
-				     policy->cpuinfo.max_freq);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(cpufreq_frequency_table_verify);
-
-
-int cpufreq_frequency_table_setpolicy(struct cpufreq_policy *policy,
-				      struct cpufreq_frequency_table *table,
-				      unsigned int *index)
-{
-	struct cpufreq_frequency_table optimal = { .index = ~0, };
-	unsigned int i;
-
-	switch (policy->policy) {
-	case CPUFREQ_POLICY_PERFORMANCE:
-		optimal.frequency = 0;
-		break;
-	case CPUFREQ_POLICY_POWERSAVE:
-		optimal.frequency = ~0;
-		break;
-	}
-
-	if (!cpu_online(policy->cpu))
-		return -EINVAL;
-
-	for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
-		unsigned int freq = table[i].frequency;
-		if (freq == CPUFREQ_ENTRY_INVALID)
-			continue;
-		if ((freq < policy->min) || (freq > policy->max))
-			continue;
-		switch(policy->policy) {
-		case CPUFREQ_POLICY_PERFORMANCE:
-			if (optimal.frequency <= freq) {
-				optimal.frequency = freq;
-				optimal.index = i;
-			}
-			break;
-		case CPUFREQ_POLICY_POWERSAVE:
-			if (optimal.frequency >= freq) {
-				optimal.frequency = freq;
-				optimal.index = i;
-			}
-			break;
-		}
-	}
-	if (optimal.index > i)
-		return -EINVAL;
-
-	*index = optimal.index;
-	
-	return 0;
-}
-EXPORT_SYMBOL_GPL(cpufreq_frequency_table_setpolicy);
-
-int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
-				   struct cpufreq_frequency_table *table,
-				   unsigned int target_freq,
-				   unsigned int relation,
-				   unsigned int *index)
-{
-	struct cpufreq_frequency_table optimal = { .index = ~0, };
-	struct cpufreq_frequency_table suboptimal = { .index = ~0, };
-	unsigned int i;
-
-	switch (relation) {
-	case CPUFREQ_RELATION_H:
-		optimal.frequency = 0;
-		suboptimal.frequency = ~0;
-		break;
-	case CPUFREQ_RELATION_L:
-		optimal.frequency = ~0;
-		suboptimal.frequency = 0;
-		break;
-	}
-
-	if (!cpu_online(policy->cpu))
-		return -EINVAL;
-
-	for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
-		unsigned int freq = table[i].frequency;
-		if (freq == CPUFREQ_ENTRY_INVALID)
-			continue;
-		if ((freq < policy->min) || (freq > policy->max))
-			continue;
-		switch(relation) {
-		case CPUFREQ_RELATION_H:
-			if (freq <= target_freq) {
-				if (freq >= optimal.frequency) {
-					optimal.frequency = freq;
-					optimal.index = i;
-				}
-			} else {
-				if (freq <= suboptimal.frequency) {
-					suboptimal.frequency = freq;
-					suboptimal.index = i;
-				}
-			}
-			break;
-		case CPUFREQ_RELATION_L:
-			if (freq >= target_freq) {
-				if (freq <= optimal.frequency) {
-					optimal.frequency = freq;
-					optimal.index = i;
-				}
-			} else {
-				if (freq >= suboptimal.frequency) {
-					suboptimal.frequency = freq;
-					suboptimal.index = i;
-				}
-			}
-			break;
-		}
-	}
-	if (optimal.index > i) {
-		if (suboptimal.index > i)
-			return -EINVAL;
-		*index = suboptimal.index;
-	} else
-		*index = optimal.index;
-	
-	return 0;
-}
-EXPORT_SYMBOL_GPL(cpufreq_frequency_table_target);
-- 
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