Messages in this thread Patch in this message | | | From | Rob Herring <> | Subject | [PATCH] dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent' | Date | Wed, 9 Mar 2022 19:35:27 -0600 |
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'virtio,mmio' devices are always coherent within a guest. As Arm DTs are default non-coherent, the 'dma-coherent' property needs to be set on the virtio device to mark them as such. This aligns with the QEMU 'virt' machine DTB.
Signed-off-by: Rob Herring <robh@kernel.org> --- Documentation/devicetree/bindings/virtio/mmio.yaml | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/virtio/mmio.yaml b/Documentation/devicetree/bindings/virtio/mmio.yaml index 4b7a0273181c..10c22b5bd16a 100644 --- a/Documentation/devicetree/bindings/virtio/mmio.yaml +++ b/Documentation/devicetree/bindings/virtio/mmio.yaml @@ -20,6 +20,8 @@ properties: reg: maxItems: 1 + dma-coherent: true + interrupts: maxItems: 1 -- 2.32.0
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