[Patch v2 04/10] drm/panfrost: using dev_get_drvdata directly

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Several drivers cast a struct device pointer to a struct
platform_device pointer only to then call platform_get_drvdata().
To improve readability, these constructs can be simplified
by using dev_get_drvdata() directly.

Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
Changes in v2:
  - Make the commit message more clearly.

 drivers/gpu/drm/panfrost/panfrost_devfreq.c | 6 +++---
 drivers/gpu/drm/panfrost/panfrost_device.c  | 6 ++----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index db798532b0b6..bef5df4d99ac 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -18,7 +18,7 @@ static void panfrost_devfreq_update_utilization(struct panfrost_device *pfdev, i
 static int panfrost_devfreq_target(struct device *dev, unsigned long *freq,
 				   u32 flags)
 {
-	struct panfrost_device *pfdev = platform_get_drvdata(to_platform_device(dev));
+	struct panfrost_device *pfdev = dev_get_drvdata(dev);
 	struct dev_pm_opp *opp;
 	unsigned long old_clk_rate = pfdev->devfreq.cur_freq;
 	unsigned long target_volt, target_rate;
@@ -86,7 +86,7 @@ static void panfrost_devfreq_reset(struct panfrost_device *pfdev)
 static int panfrost_devfreq_get_dev_status(struct device *dev,
 					   struct devfreq_dev_status *status)
 {
-	struct panfrost_device *pfdev = platform_get_drvdata(to_platform_device(dev));
+	struct panfrost_device *pfdev = dev_get_drvdata(dev);
 	int i;
 
 	for (i = 0; i < NUM_JOB_SLOTS; i++) {
@@ -117,7 +117,7 @@ static int panfrost_devfreq_get_dev_status(struct device *dev,
 
 static int panfrost_devfreq_get_cur_freq(struct device *dev, unsigned long *freq)
 {
-	struct panfrost_device *pfdev = platform_get_drvdata(to_platform_device(dev));
+	struct panfrost_device *pfdev = dev_get_drvdata(dev);
 
 	*freq = pfdev->devfreq.cur_freq;
 
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index 3b2bced1b015..ed187648e6d8 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -227,8 +227,7 @@ const char *panfrost_exception_name(struct panfrost_device *pfdev, u32 exception
 #ifdef CONFIG_PM
 int panfrost_device_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panfrost_device *pfdev = platform_get_drvdata(pdev);
+	struct panfrost_device *pfdev = dev_get_drvdata(dev);
 
 	panfrost_gpu_soft_reset(pfdev);
 
@@ -243,8 +242,7 @@ int panfrost_device_resume(struct device *dev)
 
 int panfrost_device_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panfrost_device *pfdev = platform_get_drvdata(pdev);
+	struct panfrost_device *pfdev = dev_get_drvdata(dev);
 
 	if (!panfrost_job_is_idle(pfdev))
 		return -EBUSY;
-- 
2.11.0

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