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path: root/drivers/devfreq/exynos4_bus.c
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Diffstat (limited to 'drivers/devfreq/exynos4_bus.c')
-rw-r--r--drivers/devfreq/exynos4_bus.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 6460577d670..1a361e99965 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -619,15 +619,19 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
return err;
}
-static int exynos4_bus_target(struct device *dev, unsigned long *_freq)
+static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
+ u32 flags)
{
int err = 0;
struct platform_device *pdev = container_of(dev, struct platform_device,
dev);
struct busfreq_data *data = platform_get_drvdata(pdev);
- struct opp *opp = devfreq_recommended_opp(dev, _freq);
- unsigned long old_freq = opp_get_freq(data->curr_opp);
+ struct opp *opp = devfreq_recommended_opp(dev, _freq, flags);
unsigned long freq = opp_get_freq(opp);
+ unsigned long old_freq = opp_get_freq(data->curr_opp);
+
+ if (IS_ERR(opp))
+ return PTR_ERR(opp);
if (old_freq == freq)
return 0;
@@ -689,9 +693,7 @@ static int exynos4_get_busier_dmc(struct busfreq_data *data)
static int exynos4_bus_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
- struct platform_device *pdev = container_of(dev, struct platform_device,
- dev);
- struct busfreq_data *data = platform_get_drvdata(pdev);
+ struct busfreq_data *data = dev_get_drvdata(dev);
int busier_dmc;
int cycles_x2 = 2; /* 2 x cycles */
void __iomem *addr;
@@ -739,9 +741,7 @@ static int exynos4_bus_get_dev_status(struct device *dev,
static void exynos4_bus_exit(struct device *dev)
{
- struct platform_device *pdev = container_of(dev, struct platform_device,
- dev);
- struct busfreq_data *data = platform_get_drvdata(pdev);
+ struct busfreq_data *data = dev_get_drvdata(dev);
devfreq_unregister_opp_notifier(dev, data->devfreq);
}
@@ -1087,9 +1087,7 @@ static __devexit int exynos4_busfreq_remove(struct platform_device *pdev)
static int exynos4_busfreq_resume(struct device *dev)
{
- struct platform_device *pdev = container_of(dev, struct platform_device,
- dev);
- struct busfreq_data *data = platform_get_drvdata(pdev);
+ struct busfreq_data *data = dev_get_drvdata(dev);
busfreq_mon_reset(data);
return 0;
@@ -1132,4 +1130,3 @@ module_exit(exynos4_busfreq_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("EXYNOS4 busfreq driver with devfreq framework");
MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
-MODULE_ALIAS("exynos4-busfreq");