After commit f1ad5338a4d5("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges is not allowed in encoder dts node. But the driver still need to set dma mask, remove "dma-ranges" condition in prob function. Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> --- Reference series: [1]: v5 of this series is present by Yong Wu. 20230307023507.13306-1-yong.wu@xxxxxxxxxxxx --- .../mediatek/vcodec/mtk_vcodec_enc_drv.c | 20 +++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c index 6961f66b5693..dda669d04c05 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c @@ -83,6 +83,21 @@ static void clean_irq_status(unsigned int irq_status, void __iomem *addr) writel(MTK_VENC_IRQ_STATUS_FRM, addr); } + +static int mtk_vcodec_enc_set_dma_mask(struct device *dev) +{ + int ret = 0; + + return !(of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-dec") || + of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-dec")); + + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(34)); + if (ret) + mtk_v4l2_err("Failed to set enc mask"); + + return ret; +} + static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv) { struct mtk_vcodec_dev *dev = priv; @@ -344,8 +359,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_event_workq; } - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); + ret = mtk_vcodec_enc_set_dma_mask(&pdev->dev); + if (ret) + goto err_event_workq; ret = video_register_device(vfd_enc, VFL_TYPE_VIDEO, -1); if (ret) { -- 2.18.0