From: Andrew Jones <andrew.jones@linux.dev>
To: linux-riscv@lists.infradead.org, iommu@lists.linux.dev
Cc: linux-kernel@vger.kernel.org, tomasz.jeznach@linux.dev,
jgg@ziepe.ca, jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com,
anup@brainfault.org, tglx@kernel.org, kevin.tian@intel.com,
fangyu.yu@linux.alibaba.com, nutty.liu@hotmail.com
Subject: [PATCH v7 5/5] iommu/dma: Enable IOMMU_DMA for 64-bit RISC-V
Date: Thu, 22 Oct 2026 17:46:03 +0200 [thread overview]
Message-ID: <20261022154603.1374754-6-andrew.jones@linux.dev> (raw)
In-Reply-To: <20261022154603.1374754-1-andrew.jones@linux.dev>
From: Tomasz Jeznach <tomasz.jeznach@linux.dev>
Enable IOMMU_DMA for 64-bit RISC-V now that the RISC-V
IOMMU driver supports MSI remapping.
Signed-off-by: Tomasz Jeznach <tjeznach@rivosinc.com>
Signed-off-by: Andrew Jones <andrew.jones@oss.qualcomm.com>
Signed-off-by: Andrew Jones <andrew.jones@linux.dev>
Tested-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
---
drivers/iommu/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 85a8d7fdfa30..96b282ed38f9 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -151,7 +151,7 @@ config OF_IOMMU
# IOMMU-agnostic DMA-mapping layer
config IOMMU_DMA
- def_bool ARM64 || X86 || S390
+ def_bool ARM64 || X86 || S390 || (RISCV && 64BIT)
select DMA_OPS_HELPERS
select IOMMU_API
select IOMMU_IOVA
--
2.56.0
prev parent reply other threads:[~2026-10-22 15:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 15:45 [PATCH v7 0/5] iommu/riscv: Enable MSI remapping and IOMMU_DMA Andrew Jones
2026-10-22 15:45 ` [PATCH v7 1/5] iommu/dma: Prepare MSI physical address lists Andrew Jones
2026-10-22 15:46 ` [PATCH v7 2/5] iommu/dma: Introduce iommu_dma_prepare_msi_list() Andrew Jones
2026-10-22 15:46 ` [PATCH v7 3/5] irqchip/riscv-imsic: Add MSI address list Andrew Jones
2026-10-22 15:46 ` [PATCH v7 4/5] irqchip/riscv-imsic: Support IOMMU MSI address lists Andrew Jones
2026-10-22 15:46 ` Andrew Jones [this message]
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