media: mtk-vcodec: remove allocated dma_parms

Commit 9495b7e9 ("driver core: platform: Initialize dma_parms for
platform devices") included dma_parms in platform_device. There's no need
to allocate again.

Fixes: 13483fc2 ("media: mtk-vcodec: set dma max segment size")
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c

@@ -232,14 +232,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 		mtk_v4l2_err("Could not get vdec IPI device");
 		return -ENODEV;
 	}
-	if (!pdev->dev.dma_parms) {
-		pdev->dev.dma_parms = devm_kzalloc(&pdev->dev,
-						sizeof(*pdev->dev.dma_parms),
-						GFP_KERNEL);
-		if (!pdev->dev.dma_parms)
-			return -ENOMEM;
-	}
-	dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+	dma_set_max_seg_size(&pdev->dev, UINT_MAX);
 
 	dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, VPU_RST_DEC);
 	if (IS_ERR(dev->fw_handler))

drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c

@@ -284,14 +284,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 		mtk_v4l2_err("Could not get venc IPI device");
 		return -ENODEV;
 	}
-	if (!pdev->dev.dma_parms) {
-		pdev->dev.dma_parms = devm_kzalloc(&pdev->dev,
-						sizeof(*pdev->dev.dma_parms),
-						GFP_KERNEL);
-		if (!pdev->dev.dma_parms)
-			return -ENOMEM;
-	}
-	dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+	dma_set_max_seg_size(&pdev->dev, UINT_MAX);
 
 	dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, VPU_RST_ENC);
 	if (IS_ERR(dev->fw_handler))