From: kyrie wu Date: Fri, 10 Mar 2023 06:23:55 +0000 (+0000) Subject: media: mtk-jpeg: refactor hw dev initializaiton X-Git-Tag: v6.6.7~3028^2~332 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0a2f03bbdca75de955ac550aa33a347d55850fee;p=platform%2Fkernel%2Flinux-starfive.git media: mtk-jpeg: refactor hw dev initializaiton Add a atomic_t variable for initialization of hw dev. Signed-off-by: kyrie wu Signed-off-by: irui wang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 0c562ea..e0f76fb 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1742,6 +1742,7 @@ static int mtk_jpeg_probe(struct platform_device *pdev) num_child++; atomic_set(&jpeg->hw_rdy, num_child); + atomic_set(&jpeg->hw_index, 0); jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, WQ_MEM_RECLAIM diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 89242e4..8ba6e75 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -208,6 +208,7 @@ struct mtk_jpegdec_comp_dev { * @hw_rdy: jpg hw ready flag * @reg_decbase: jpg decode register base addr * @dec_hw_dev: jpg decode hardware device + * @hw_index: jpg hw index */ struct mtk_jpeg_dev { struct mutex lock; @@ -229,6 +230,7 @@ struct mtk_jpeg_dev { void __iomem *reg_decbase[MTK_JPEGDEC_HW_MAX]; struct mtk_jpegdec_comp_dev *dec_hw_dev[MTK_JPEGDEC_HW_MAX]; + atomic_t hw_index; }; /** diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c index b7c2de2..869068f 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -638,14 +638,10 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, ret, "Failed to register JPEGDEC irq handler.\n"); - for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { - if (master_dev->dec_hw_dev[i]) - continue; - - master_dev->dec_hw_dev[i] = dev; - master_dev->reg_decbase[i] = dev->reg_base; - dev->master_dev = master_dev; - } + i = atomic_add_return(1, &master_dev->hw_index) - 1; + master_dev->dec_hw_dev[i] = dev; + master_dev->reg_decbase[i] = dev->reg_base; + dev->master_dev = master_dev; platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c index e35ee1b..71e85b4 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c @@ -362,14 +362,10 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) if (ret) return ret; - for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { - if (master_dev->enc_hw_dev[i]) - continue; - - master_dev->enc_hw_dev[i] = dev; - master_dev->reg_encbase[i] = dev->reg_base; - dev->master_dev = master_dev; - } + i = atomic_add_return(1, &master_dev->hw_index) - 1; + master_dev->enc_hw_dev[i] = dev; + master_dev->reg_encbase[i] = dev->reg_base; + dev->master_dev = master_dev; platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev);