mirror of
https://github.com/torvalds/linux.git
synced 2025-12-07 20:06:24 +00:00
'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> Link: https://lore.kernel.org/r/20220310013528.549030-1-robh@kernel.org