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Subject[PATCH v2 03/19] iommu/mediatek: Extend larb_remap to larb_remap[2]
Date
For more than one IOMMUs, they are corresponding to different
smi_larb id, so we need to extend larb_remap to larb_remap[2]
to distinguish it by index.

Signed-off-by: Chao Hao <chao.hao@mediatek.com>
---
drivers/iommu/mtk_iommu.c | 8 ++++----
drivers/iommu/mtk_iommu.h | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 09192edef1f7..f2d953fc09df 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -245,7 +245,7 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
fault_larb = F_MMU_INT_ID_LARB_ID(regval);
fault_port = F_MMU_INT_ID_PORT_ID(regval);

- fault_larb = data->plat_data->larbid_remap[fault_larb];
+ fault_larb = data->plat_data->larbid_remap[data->m4u_id][fault_larb];

if (report_iommu_fault(&dom->domain, data->dev, fault_iova,
write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) {
@@ -782,7 +782,7 @@ static const struct mtk_iommu_plat_data mt2712_data = {
.has_4gb_mode = true,
.has_bclk = true,
.has_vld_pa_rng = true,
- .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
+ .larbid_remap[0] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
};

static const struct mtk_iommu_plat_data mt8173_data = {
@@ -790,13 +790,13 @@ static const struct mtk_iommu_plat_data mt8173_data = {
.has_4gb_mode = true,
.has_bclk = true,
.reset_axi = true,
- .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */
+ .larbid_remap[0] = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */
};

static const struct mtk_iommu_plat_data mt8183_data = {
.m4u_plat = M4U_MT8183,
.reset_axi = true,
- .larbid_remap = {0, 4, 5, 6, 7, 2, 3, 1},
+ .larbid_remap[0] = {0, 4, 5, 6, 7, 2, 3, 1},
};

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 b4bd76548615..c585811a957c 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -43,7 +43,7 @@ struct mtk_iommu_plat_data {
bool has_vld_pa_rng;
bool reset_axi;
u32 m4u1_mask;
- unsigned char larbid_remap[MTK_LARB_NR_MAX];
+ unsigned char larbid_remap[2][MTK_LARB_NR_MAX];
};

struct mtk_iommu_domain;
--
2.18.0
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