1 files changed, 25 insertions, 42 deletions

diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index 7d61a6c3e707..dea9a49023d7 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -17,36 +17,7 @@
 #include <linux/mfd/dbx500-prcmu.h>
 #include <mach/id.h>
 
-static struct cpufreq_frequency_table freq_table[] = {
-	[0] = {
-		.index = 0,
-		.frequency = 200000,
-	},
-	[1] = {
-		.index = 1,
-		.frequency = 400000,
-	},
-	[2] = {
-		.index = 2,
-		.frequency = 800000,
-	},
-	[3] = {
-		/* Used for MAX_OPP, if available */
-		.index = 3,
-		.frequency = CPUFREQ_TABLE_END,
-	},
-	[4] = {
-		.index = 4,
-		.frequency = CPUFREQ_TABLE_END,
-	},
-};
-
-static enum arm_opp idx2opp[] = {
-	ARM_EXTCLK,
-	ARM_50_OPP,
-	ARM_100_OPP,
-	ARM_MAX_OPP
-};
+static struct cpufreq_frequency_table *freq_table;
 
 static struct freq_attr *db8500_cpufreq_attr[] = {
 	&cpufreq_freq_attr_scaling_available_freqs,
@@ -88,7 +59,7 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
 	/* request the PRCM unit for opp change */
-	if (prcmu_set_arm_opp(idx2opp[idx])) {
+	if (prcmu_set_arm_opp(freq_table[idx].index)) {
 		pr_err("db8500-cpufreq:  Failed to set OPP level\n");
 		return -EINVAL;
 	}
@@ -102,25 +73,30 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
 
 static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
 {
-	int i;
+	int i = 0;
 	/* request the prcm to get the current ARM opp */
-	for (i = 0; prcmu_get_arm_opp() != idx2opp[i]; i++)
-		;
-	return freq_table[i].frequency;
+	int opp = prcmu_get_arm_opp();
+
+	while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
+		if (opp == freq_table[i].index)
+			return freq_table[i].frequency;
+		i++;
+	}
+
+	/* We could not find a corresponding opp frequency. */
+	return 0;
 }
 
 static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 {
-	int i, res;
-
-	BUILD_BUG_ON(ARRAY_SIZE(idx2opp) + 1 != ARRAY_SIZE(freq_table));
-
-	if (prcmu_has_arm_maxopp())
-		freq_table[3].frequency = 1000000;
+	int i = 0;
+	int res;
 
 	pr_info("db8500-cpufreq : Available frequencies:\n");
-	for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
+	while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
 		pr_info("  %d Mhz\n", freq_table[i].frequency/1000);
+		i++;
+	}
 
 	/* get policy fields based on the table */
 	res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
@@ -163,6 +139,13 @@ static struct cpufreq_driver db8500_cpufreq_driver = {
 
 static int db8500_cpufreq_probe(struct platform_device *pdev)
 {
+	freq_table = dev_get_platdata(&pdev->dev);
+
+	if (!freq_table) {
+		pr_err("db8500-cpufreq: Failed to fetch cpufreq table\n");
+		return -ENODEV;
+	}
+
 	return cpufreq_register_driver(&db8500_cpufreq_driver);
 }