diff options
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 9fee4b6efb7b..95b1bdb58cbe 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -738,6 +738,14 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, } mutex_unlock(&data->mutex); + if (region_id > 0) { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(34)); + if (ret) { + dev_err(m4udev, "Failed to set dma_mask for %s(%d).\n", dev_name(dev), ret); + return ret; + } + } + return mtk_iommu_config(data, dev, true, region_id); err_unlock: |