Commit f045e9df authored by Yong Wu's avatar Yong Wu Committed by Joerg Roedel
Browse files

iommu/mediatek: Set dma_mask for PGTABLE_PA_35_EN 



When we enable PGTABLE_PA_35_EN, the PA for pgtable may be 35bits.
Thus add dma_mask for it.

Fixes: 301c3ca1 ("iommu/mediatek: Allow page table PA up to 35bit")
Signed-off-by: default avatarChengci.Xu <chengci.xu@mediatek.com>
Signed-off-by: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230316101445.12443-1-yong.wu@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent e8d018dd

drivers/iommu/mtk_iommu.c

+8 −0
Original line number Diff line number Diff line
@@ -1258,6 +1258,14 @@ static int mtk_iommu_probe(struct platform_device *pdev) 
			return PTR_ERR(data->bclk);

	}



	if (MTK_IOMMU_HAS_FLAG(data->plat_data, PGTABLE_PA_35_EN)) {

		ret = dma_set_mask(dev, DMA_BIT_MASK(35));

		if (ret) {

			dev_err(dev, "Failed to set dma_mask 35.\n");

			return ret;

		}

	}



	pm_runtime_enable(dev);



	if (MTK_IOMMU_IS_TYPE(data->plat_data, MTK_IOMMU_TYPE_MM)) {