[PATCH v2 13/14] iommu/dma: Enable IOMMU_DMA for 64-bit RISC-V

Andrew Jones <[email protected]> Fri, 24 Jul 2026 17:12:17 +0200
Newsgroups dev.linux.lists.iommu,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
From: Tomasz Jeznach <[email protected]>

Enable IOMMU_DMA for 64-bit RISC-V now that the RISC-V
IOMMU driver supports MSI remapping.

Signed-off-by: Tomasz Jeznach <[email protected]>
Signed-off-by: Andrew Jones <[email protected]>
---
 drivers/iommu/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 6e07bd69467a..1c9f2ad10f36 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
-- 
2.43.0