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From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Yong Wu <yong.wu@mediatek.com>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	<iommu@lists.linux.dev>, <linux-mediatek@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<mingyuan.ma@mediatek.com>, <yf.wang@mediatek.com>,
	<jianjiao.zeng@mediatek.com>, <chengci.xu@mediatek.com>,
	<youlin.pei@mediatek.com>
Subject: [PATCH v8 2/7] iommu/mediatek: Set dma_mask for PGTABLE_PA_35_EN
Date: Tue, 7 Mar 2023 16:05:50 +0800	[thread overview]
Message-ID: <20230307080555.14399-3-yong.wu@mediatek.com> (raw)
In-Reply-To: <20230307080555.14399-1-yong.wu@mediatek.com>

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

Fixes: 301c3ca12576 ("iommu/mediatek: Allow page table PA up to 35bit")
Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index e0264d5f1c9a..f2716896fee4 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1297,6 +1297,14 @@ 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)) {
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Yong Wu <yong.wu@mediatek.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	<iommu@lists.linux.dev>, <linux-mediatek@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<mingyuan.ma@mediatek.com>, <yf.wang@mediatek.com>,
	<jianjiao.zeng@mediatek.com>, <chengci.xu@mediatek.com>,
	<youlin.pei@mediatek.com>
Subject: [PATCH v8 2/7] iommu/mediatek: Set dma_mask for PGTABLE_PA_35_EN
Date: Tue, 7 Mar 2023 16:05:50 +0800	[thread overview]
Message-ID: <20230307080555.14399-3-yong.wu@mediatek.com> (raw)
In-Reply-To: <20230307080555.14399-1-yong.wu@mediatek.com>

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

Fixes: 301c3ca12576 ("iommu/mediatek: Allow page table PA up to 35bit")
Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index e0264d5f1c9a..f2716896fee4 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1297,6 +1297,14 @@ 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)) {
-- 
2.25.1


_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-03-07  8:07 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-07  8:05 [PATCH v8 0/7] MT8188 IOMMU SUPPORT Yong Wu
2023-03-07  8:05 ` Yong Wu
2023-03-07  8:05 ` [PATCH v8 1/7] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  9:51   ` AngeloGioacchino Del Regno
2023-03-07  9:51     ` AngeloGioacchino Del Regno
2023-03-08 10:35   ` Krzysztof Kozlowski
2023-03-08 10:35     ` Krzysztof Kozlowski
2023-03-14  2:41     ` Yong Wu (吴勇)
2023-03-14  2:41       ` Yong Wu (吴勇)
2023-03-14  6:46       ` Krzysztof Kozlowski
2023-03-14  6:46         ` Krzysztof Kozlowski
2023-03-14 10:14         ` Yong Wu (吴勇)
2023-03-14 14:08           ` Krzysztof Kozlowski
2023-03-14 14:08             ` Krzysztof Kozlowski
2023-03-07  8:05 ` Yong Wu [this message]
2023-03-07  8:05   ` [PATCH v8 2/7] iommu/mediatek: Set dma_mask for PGTABLE_PA_35_EN Yong Wu
2023-03-07  9:53   ` AngeloGioacchino Del Regno
2023-03-07  9:53     ` AngeloGioacchino Del Regno
2023-03-07  8:05 ` [PATCH v8 3/7] iommu/mediatek: Fix two IOMMU share pagetable issue Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  8:05 ` [PATCH v8 4/7] iommu/mediatek: Adjust mtk_iommu_config flow Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  8:05 ` [PATCH v8 5/7] iommu/mediatek: Add enable IOMMU SMC command for INFRA master Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  8:05 ` [PATCH v8 6/7] iommu/mediatek: Add MT8188 IOMMU Support Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  8:05 ` [PATCH v8 7/7] iommu/mediatek: mt8188: Add iova_region_larb_msk Yong Wu
2023-03-07  8:05   ` Yong Wu
2023-03-07  9:56   ` AngeloGioacchino Del Regno
2023-03-07  9:56     ` AngeloGioacchino Del Regno

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