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. > > Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx> > --- > 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 >