diff options
-rw-r--r-- | drivers/iommu/mtk_iommu.c | 4 | ||||
-rw-r--r-- | drivers/iommu/mtk_iommu.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 4df3cb430b43..34f020367ebe 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -236,6 +236,8 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id) fault_larb = F_MMU0_INT_ID_LARB_ID(regval); fault_port = F_MMU0_INT_ID_PORT_ID(regval); + fault_larb = data->plat_data->larbid_remap[fault_larb]; + if (report_iommu_fault(&dom->domain, data->dev, fault_iova, write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) { dev_err_ratelimited( @@ -766,12 +768,14 @@ static const struct mtk_iommu_plat_data mt2712_data = { .m4u_plat = M4U_MT2712, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; static const struct of_device_id mtk_iommu_of_ids[] = { diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 821172bd6c52..d1a1d8887a0e 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -38,6 +38,8 @@ struct mtk_iommu_plat_data { /* HW will use the EMI clock if there isn't the "bclk". */ bool has_bclk; + + unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; struct mtk_iommu_domain; |