Re: [PATCH v4 15/19] iommu/s390: Add set_platform_dma_ops callback

[Jason Gunthorpe]

On Wed, Jan 04, 2023 at 08:57:21PM +0800, Lu Baolu wrote:
> This IOMMU driver doesn't support default domain. Add the implementation
> of set_platform_dma_ops callback so that the IOMMU core could return the
> DMA control. With the set_platform_dma implemented, there's no need for
> detach_dev. Remove it to avoid dead code.
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> ---
>  drivers/iommu/s390-iommu.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason