Inherit dma mask of parent device in child mdev devices, so that protocol stack can use right dma mask while doing dma mappings. Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx> --- drivers/vfio/mdev/mdev_core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index 0212f0e..9b8bdc9 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -315,6 +315,10 @@ int mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid) mdev->dev.parent = dev; mdev->dev.bus = &mdev_bus_type; mdev->dev.release = mdev_device_release; + mdev->dev.dma_mask = dev->dma_mask; + mdev->dev.dma_parms = dev->dma_parms; + mdev->dev.coherent_dma_mask = dev->coherent_dma_mask; + dev_set_name(&mdev->dev, "%pUl", uuid.b); ret = device_register(&mdev->dev); -- 1.8.3.1
