[PATCH v5 16/25] iommu: Remove ops->set_platform_dma_ops()

[Baolu Lu]

On 2023/7/25 1:22, Jason Gunthorpe wrote:
> All drivers are now using IDENTITY or PLATFORM domains for what this did,
> we can remove it now. It is no longer possible to attach to a NULL domain.
> 
> Tested-by: Heiko Stuebner<heiko at sntech.de>
> Tested-by: Niklas Schnelle<schnelle at linux.ibm.com>
> Tested-by: Steven Price<steven.price at arm.com>
> Tested-by: Marek Szyprowski<m.szyprowski at samsung.com>
> Tested-by: Nicolin Chen<nicolinc at nvidia.com>
> Signed-off-by: Jason Gunthorpe<jgg at nvidia.com>
> ---
>   drivers/iommu/iommu.c | 30 +++++-------------------------
>   include/linux/iommu.h |  4 ----
>   2 files changed, 5 insertions(+), 29 deletions(-)

Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>