PM / devfreq: exynos: Enable building exynos PPMU as module

Export symbols from the PPMU driver needed to build the exynos bus
driver as a module.

Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 2227e9b..faf4e70 100644 (file)
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -78,7 +78,7 @@ config ARM_EXYNOS4_BUS_DEVFREQ
          This does not yet operate with optimal voltages.
 
 config ARM_EXYNOS5_BUS_DEVFREQ
-       bool "ARM Exynos5250 Bus DEVFREQ Driver"
+       tristate "ARM Exynos5250 Bus DEVFREQ Driver"
        depends on SOC_EXYNOS5250
        select DEVFREQ_GOV_SIMPLE_ONDEMAND
        select PM_OPP

diff --git a/drivers/devfreq/exynos/exynos_ppmu.c b/drivers/devfreq/exynos/exynos_ppmu.c
index 75fcc51..97b75e5 100644 (file)
--- a/drivers/devfreq/exynos/exynos_ppmu.c
+++ b/drivers/devfreq/exynos/exynos_ppmu.c
@@ -73,6 +73,7 @@ void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data)
                exynos_ppmu_start(ppmu_base);
        }
 }
+EXPORT_SYMBOL(busfreq_mon_reset);
 
 void exynos_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
 {
@@ -97,6 +98,7 @@ void exynos_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
 
        busfreq_mon_reset(ppmu_data);
 }
+EXPORT_SYMBOL(exynos_read_ppmu);
 
 int exynos_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data)
 {
@@ -114,3 +116,4 @@ int exynos_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data)
 
        return busy;
 }
+EXPORT_SYMBOL(exynos_get_busier_ppmu);