diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 02e5d6f..7ce6dfa 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -16,17 +16,17 @@
 #include "op_counter.h"
 #include "op_arm_model.h"
 
-static struct op_arm_model_spec *pmu_model;
-static int pmu_enabled;
-static struct semaphore pmu_sem;
+static struct op_arm_model_spec *op_arm_model;
+static int op_arm_enabled;
+static struct semaphore op_arm_sem;
 
 struct op_counter_config counter_config[OP_MAX_COUNTER];
 
-static int pmu_create_files(struct super_block *sb, struct dentry *root)
+static int op_arm_create_files(struct super_block *sb, struct dentry *root)
 {
 	unsigned int i;
 
-	for (i = 0; i < pmu_model->num_counters; i++) {
+	for (i = 0; i < op_arm_model->num_counters; i++) {
 		struct dentry *dir;
 		char buf[2];
 
@@ -43,61 +43,61 @@
 	return 0;
 }
 
-static int pmu_setup(void)
+static int op_arm_setup(void)
 {
 	int ret;
 
 	spin_lock(&oprofilefs_lock);
-	ret = pmu_model->setup_ctrs();
+	ret = op_arm_model->setup_ctrs();
 	spin_unlock(&oprofilefs_lock);
 	return ret;
 }
 
-static int pmu_start(void)
+static int op_arm_start(void)
 {
 	int ret = -EBUSY;
 
-	down(&pmu_sem);
-	if (!pmu_enabled) {
-		ret = pmu_model->start();
-		pmu_enabled = !ret;
+	down(&op_arm_sem);
+	if (!op_arm_enabled) {
+		ret = op_arm_model->start();
+		op_arm_enabled = !ret;
 	}
-	up(&pmu_sem);
+	up(&op_arm_sem);
 	return ret;
 }
 
-static void pmu_stop(void)
+static void op_arm_stop(void)
 {
-	down(&pmu_sem);
-	if (pmu_enabled)
-		pmu_model->stop();
-	pmu_enabled = 0;
-	up(&pmu_sem);
+	down(&op_arm_sem);
+	if (op_arm_enabled)
+		op_arm_model->stop();
+	op_arm_enabled = 0;
+	up(&op_arm_sem);
 }
 
 #ifdef CONFIG_PM
-static int pmu_suspend(struct sys_device *dev, pm_message_t state)
+static int op_arm_suspend(struct sys_device *dev, pm_message_t state)
 {
-	down(&pmu_sem);
-	if (pmu_enabled)
-		pmu_model->stop();
-	up(&pmu_sem);
+	down(&op_arm_sem);
+	if (op_arm_enabled)
+		op_arm_model->stop();
+	up(&op_arm_sem);
 	return 0;
 }
 
-static int pmu_resume(struct sys_device *dev)
+static int op_arm_resume(struct sys_device *dev)
 {
-	down(&pmu_sem);
-	if (pmu_enabled && pmu_model->start())
-		pmu_enabled = 0;
-	up(&pmu_sem);
+	down(&op_arm_sem);
+	if (op_arm_enabled && op_arm_model->start())
+		op_arm_enabled = 0;
+	up(&op_arm_sem);
 	return 0;
 }
 
 static struct sysdev_class oprofile_sysclass = {
 	set_kset_name("oprofile"),
-	.resume		= pmu_resume,
-	.suspend	= pmu_suspend,
+	.resume		= op_arm_resume,
+	.suspend	= op_arm_suspend,
 };
 
 static struct sys_device device_oprofile = {
@@ -125,31 +125,31 @@
 #define exit_driverfs() do { } while (0)
 #endif /* CONFIG_PM */
 
-int __init pmu_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec)
+int __init op_arm_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec)
 {
-	init_MUTEX(&pmu_sem);
+	init_MUTEX(&op_arm_sem);
 
 	if (spec->init() < 0)
 		return -ENODEV;
 
-	pmu_model = spec;
+	op_arm_model = spec;
 	init_driverfs();
-	ops->create_files = pmu_create_files;
-	ops->setup = pmu_setup;
-	ops->shutdown = pmu_stop;
-	ops->start = pmu_start;
-	ops->stop = pmu_stop;
-	ops->cpu_type = pmu_model->name;
-	printk(KERN_INFO "oprofile: using %s PMU\n", spec->name);
+	ops->create_files = op_arm_create_files;
+	ops->setup = op_arm_setup;
+	ops->shutdown = op_arm_stop;
+	ops->start = op_arm_start;
+	ops->stop = op_arm_stop;
+	ops->cpu_type = op_arm_model->name;
+	printk(KERN_INFO "oprofile: using %s\n", spec->name);
 
 	return 0;
 }
 
-void pmu_exit(void)
+void op_arm_exit(void)
 {
-	if (pmu_model) {
+	if (op_arm_model) {
 		exit_driverfs();
-		pmu_model = NULL;
+		op_arm_model = NULL;
 	}
 }
 
diff --git a/arch/arm/oprofile/init.c b/arch/arm/oprofile/init.c
index d315a3a..ccd8c54 100644
--- a/arch/arm/oprofile/init.c
+++ b/arch/arm/oprofile/init.c
@@ -17,7 +17,7 @@
 	int ret = -ENODEV;
 
 #ifdef CONFIG_CPU_XSCALE
-	ret = pmu_init(ops, &op_xscale_spec);
+	ret = op_arm_init(ops, &op_xscale_spec);
 #endif
 
 	ops->backtrace = arm_backtrace;
@@ -28,6 +28,6 @@
 void oprofile_arch_exit(void)
 {
 #ifdef CONFIG_CPU_XSCALE
-	pmu_exit();
+	op_arm_exit();
 #endif
 }
diff --git a/arch/arm/oprofile/op_arm_model.h b/arch/arm/oprofile/op_arm_model.h
index 2148d07..38c6ad1 100644
--- a/arch/arm/oprofile/op_arm_model.h
+++ b/arch/arm/oprofile/op_arm_model.h
@@ -26,6 +26,6 @@
 
 extern void arm_backtrace(struct pt_regs * const regs, unsigned int depth);
 
-extern int __init pmu_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec);
-extern void pmu_exit(void);
+extern int __init op_arm_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec);
+extern void op_arm_exit(void);
 #endif /* OP_ARM_MODEL_H */