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virtio: Expose VIRTIO_F_IOMMU_PLATFORM in device features

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If we detect the VIRTIO_F_IOMMU_PLATFORM transport feature for a device,
then expose it in the device features.

Signed-off-by: Will Deacon <willdeacon@google.com>
[ Paul: pick from the Android tree. Rebase to the upstream ]
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Link: 9693bd26bf
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Will Deacon 2023-03-29 22:24:55 +08:00 committed by Tom Rini
parent 6a11fdf053
commit 7804306c80
1 changed files with 1 additions and 1 deletions
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2
drivers/virtio/virtio-uclass.c
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@ -336,7 +336,7 @@ static int virtio_uclass_child_pre_probe(struct udevice *vdev)
/* Transport features always preserved to pass to finalize_features */ /* Transport features always preserved to pass to finalize_features */
for (i = VIRTIO_TRANSPORT_F_START; i < VIRTIO_TRANSPORT_F_END; i++) for (i = VIRTIO_TRANSPORT_F_START; i < VIRTIO_TRANSPORT_F_END; i++)
if ((device_features & (1ULL << i)) && if ((device_features & (1ULL << i)) &&
(i == VIRTIO_F_VERSION_1)) (i == VIRTIO_F_VERSION_1 || i == VIRTIO_F_IOMMU_PLATFORM))
__virtio_set_bit(vdev->parent, i); __virtio_set_bit(vdev->parent, i);
debug("(%s) final negotiated features supported %016llx\n", debug("(%s) final negotiated features supported %016llx\n",