PM / devfreq: exynos: make more PPMU code common

Move common PPMU code from exynos[45]_bus.c to exynos_ppmu.c.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

1 files changed, 2 insertions, 68 deletions

diff --git a/drivers/devfreq/exynos/exynos4_bus.c b/drivers/devfreq/exynos/exynos4_bus.c
index d99ef9e80517..d257f1fcbaa9 100644
--- a/drivers/devfreq/exynos/exynos4_bus.c
+++ b/drivers/devfreq/exynos/exynos4_bus.c
@@ -75,11 +75,6 @@ struct busfreq_opp_info {
 	unsigned long volt;
 };
 
-struct busfreq_ppmu_data {
-	struct exynos_ppmu *ppmu;
-	int ppmu_end;
-};
-
 struct busfreq_data {
 	enum exynos4_busf_type type;
 	struct device *dev;
@@ -515,49 +510,6 @@ static int exynos4x12_set_busclk(struct busfreq_data *data,
 	return 0;
 }
 
-static void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data)
-{
-	unsigned int i;
-
-	for (i = 0; i < ppmu_data->ppmu_end; i++) {
-		void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
-		/* Reset the performance and cycle counters */
-		exynos_ppmu_reset(ppmu_base);
-
-		/* Setup count registers to monitor read/write transactions */
-		ppmu_data->ppmu[i].event[PPMU_PMNCNT3] = RDWR_DATA_COUNT;
-		exynos_ppmu_setevent(ppmu_base, PPMU_PMNCNT3,
-				     ppmu_data->ppmu[i].event[PPMU_PMNCNT3]);
-
-		exynos_ppmu_start(ppmu_base);
-	}
-}
-
-static void exynos4_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
-{
-	int i, j;
-
-	for (i = 0; i < ppmu_data->ppmu_end; i++) {
-		void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
-		exynos_ppmu_stop(ppmu_base);
-
-		/* Update local data from PPMU */
-		ppmu_data->ppmu[i].ccnt = __raw_readl(ppmu_base + PPMU_CCNT);
-
-		for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
-			if (ppmu_data->ppmu[i].event[j] == 0)
-				ppmu_data->ppmu[i].count[j] = 0;
-			else
-				ppmu_data->ppmu[i].count[j] =
-					exynos_ppmu_read(ppmu_base, j);
-		}
-	}
-
-	busfreq_mon_reset(ppmu_data);
-}
-
 static int exynos4x12_get_intspec(unsigned long mifclk)
 {
 	int i = 0;
@@ -681,24 +633,6 @@ out:
 	return err;
 }
 
-static int exynos4_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data)
-{
-	int i, j;
-	int busy = 0;
-	unsigned int temp = 0;
-
-	for (i = 0; i < ppmu_data->ppmu_end; i++) {
-		for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
-			if (ppmu_data->ppmu[i].count[j] > temp) {
-				temp = ppmu_data->ppmu[i].count[j];
-				busy = i;
-			}
-		}
-	}
-
-	return busy;
-}
-
 static int exynos4_bus_get_dev_status(struct device *dev,
 				      struct devfreq_dev_status *stat)
 {
@@ -706,8 +640,8 @@ static int exynos4_bus_get_dev_status(struct device *dev,
 	struct busfreq_ppmu_data *ppmu_data = &data->ppmu_data;
 	int busier;
 
-	exynos4_read_ppmu(ppmu_data);
-	busier = exynos4_get_busier_ppmu(ppmu_data);
+	exynos_read_ppmu(ppmu_data);
+	busier = exynos_get_busier_ppmu(ppmu_data);
 	stat->current_frequency = data->curr_oppinfo.rate;
 
 	/* Number of cycles spent on memory access */