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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev 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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