There are only two lines in mtk_vcodec_release_dec_pm, using pm_runtime_disable and put_device instead directly.
Move pm_runtime_enable outside mtk_vcodec_init_dec_pm to symmetry with pm_runtime_disable, after that, rename mtk_vcodec_init_dec_pm to *_clk since it only has clock operations now.
Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Signed-off-by: Yunfei Dong yunfei.dong@mediatek.com Co-developed-by: Yong Wu yong.wu@mediatek.com --- .../media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 10 +++++++--- .../media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c | 7 +++++-- .../media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 12 ++---------- .../media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h | 3 +-- 4 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index cdbe5ffeae26..512ab5084041 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/of.h> +#include <linux/pm_runtime.h> #include <media/v4l2-event.h> #include <media/v4l2-mem2mem.h> #include <media/videobuf2-dma-contig.h> @@ -156,12 +157,13 @@ static int mtk_vcodec_init_dec_resources(struct mtk_vcodec_dev *dev) return ret; }
- ret = mtk_vcodec_init_dec_pm(pdev, &dev->pm); + ret = mtk_vcodec_init_dec_clk(pdev, &dev->pm); if (ret < 0) { dev_err(&pdev->dev, "failed to get mt vcodec clock source"); return ret; }
+ pm_runtime_enable(&pdev->dev); return 0; }
@@ -473,7 +475,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (IS_VDEC_LAT_ARCH(dev->vdec_pdata->hw_arch)) destroy_workqueue(dev->core_workqueue); err_res: - mtk_vcodec_release_dec_pm(&dev->pm); + pm_runtime_disable(dev->pm.dev); + put_device(dev->pm.larbvdec); err_dec_pm: mtk_vcodec_fw_release(dev->fw_handler); return ret; @@ -517,7 +520,8 @@ static int mtk_vcodec_dec_remove(struct platform_device *pdev) video_unregister_device(dev->vfd_dec);
v4l2_device_unregister(&dev->v4l2_dev); - mtk_vcodec_release_dec_pm(&dev->pm); + pm_runtime_disable(dev->pm.dev); + put_device(dev->pm.larbvdec); mtk_vcodec_fw_release(dev->fw_handler); return 0; } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c index 389a17eb4085..34dd178e07d7 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/pm_runtime.h> #include <linux/slab.h>
#include "mtk_vcodec_drv.h" @@ -117,9 +118,10 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev) return -ENOMEM;
subdev_dev->plat_dev = pdev; - ret = mtk_vcodec_init_dec_pm(pdev, &subdev_dev->pm); + ret = mtk_vcodec_init_dec_clk(pdev, &subdev_dev->pm); if (ret) return ret; + pm_runtime_enable(&pdev->dev);
subdev_dev->reg_base[VDEC_HW_MISC] = devm_platform_ioremap_resource(pdev, 0); @@ -155,7 +157,8 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev) platform_set_drvdata(pdev, subdev_dev); return 0; err: - mtk_vcodec_release_dec_pm(&subdev_dev->pm); + pm_runtime_disable(subdev_dev->pm.dev); + put_device(subdev_dev->pm.larbvdec); return ret; }
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index 4cf03d38d141..b9f5ef979c69 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -15,7 +15,7 @@ #include "mtk_vcodec_dec_pm.h" #include "mtk_vcodec_util.h"
-int mtk_vcodec_init_dec_pm(struct platform_device *pdev, +int mtk_vcodec_init_dec_clk(struct platform_device *pdev, struct mtk_vcodec_pm *pm) { struct device_node *node; @@ -73,20 +73,12 @@ int mtk_vcodec_init_dec_pm(struct platform_device *pdev, } }
- pm_runtime_enable(&pdev->dev); return 0; put_device: put_device(pm->larbvdec); return ret; } -EXPORT_SYMBOL_GPL(mtk_vcodec_init_dec_pm); - -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm) -{ - pm_runtime_disable(pm->dev); - put_device(pm->larbvdec); -} -EXPORT_SYMBOL_GPL(mtk_vcodec_release_dec_pm); +EXPORT_SYMBOL_GPL(mtk_vcodec_init_dec_clk);
int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h index 6ae29fea4e7f..c4121df9764f 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h @@ -9,9 +9,8 @@
#include "mtk_vcodec_drv.h"
-int mtk_vcodec_init_dec_pm(struct platform_device *pdev, +int mtk_vcodec_init_dec_clk(struct platform_device *pdev, struct mtk_vcodec_pm *pm); -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm);
int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx); void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx);