Re: [PATCH 3/3] dt-bindings: iommu: memory: Use unmanaged iommu domain for the APU
From: Rob Herring <robh@kernel.org>
Date: 2023-01-30 22:50:37
Also in:
linux-arm-kernel, linux-iommu, linux-mediatek, lkml
On Mon, Jan 30, 2023 at 11:27:22AM +0100, Alexandre Bailon wrote:
This updates the iommu id to use unmanaged iommu domain for the APU. This is required by remoteproc to use the iommu.
Explain how a mixture of DTs with or without this value changed would work with kernels with or without support for unmanaged domains? Looks like a compatibility problem to me.
quoted hunk ↗ jump to hunk
Signed-off-by: Alexandre Bailon <redacted> --- include/dt-bindings/memory/mediatek,mt8365-larb-port.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/include/dt-bindings/memory/mediatek,mt8365-larb-port.h b/include/dt-bindings/memory/mediatek,mt8365-larb-port.h index 56d5a5dd519e7..86d82a8f6017d 100644 --- a/include/dt-bindings/memory/mediatek,mt8365-larb-port.h +++ b/include/dt-bindings/memory/mediatek,mt8365-larb-port.h@@ -24,8 +24,8 @@ #define M4U_PORT_MDP_WROT0 MTK_M4U_ID(M4U_LARB0_ID, 7) #define M4U_PORT_MDP_RDMA1 MTK_M4U_ID(M4U_LARB0_ID, 8) #define M4U_PORT_DISP_FAKE0 MTK_M4U_ID(M4U_LARB0_ID, 9) -#define M4U_PORT_APU_READ MTK_M4U_ID(M4U_LARB0_ID, 10) -#define M4U_PORT_APU_WRITE MTK_M4U_ID(M4U_LARB0_ID, 11) +#define M4U_PORT_APU_READ MTK_M4U_UNMANAGED_ID(M4U_LARB0_ID, 10) +#define M4U_PORT_APU_WRITE MTK_M4U_UNMANAGED_ID(M4U_LARB0_ID, 11) /* larb1 */ #define M4U_PORT_VENC_RCPU MTK_M4U_ID(M4U_LARB1_ID, 0)-- 2.38.2