[PATCH 3/4] iommu: remove the put_resv_regions method

[Will Deacon]

On Fri, Jul 08, 2022 at 10:06:15AM +0200, Christoph Hellwig wrote:
> All drivers that implement get_resv_regions just use
> generic_put_resv_regions to implement the put side.  Remove the
> indirections and document the allocations constraints.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
>  drivers/iommu/amd/iommu.c                   |  1 -
>  drivers/iommu/apple-dart.c                  |  1 -
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c |  1 -
>  drivers/iommu/arm/arm-smmu/arm-smmu.c       |  1 -
>  drivers/iommu/intel/iommu.c                 |  1 -
>  drivers/iommu/iommu.c                       | 21 ++++-----------------
>  drivers/iommu/mtk_iommu.c                   |  1 -
>  drivers/iommu/virtio-iommu.c                |  5 ++---
>  include/linux/iommu.h                       |  4 ----
>  9 files changed, 6 insertions(+), 30 deletions(-)

Heads up, but I think this might collide (trivially?) with:

https://lore.kernel.org/r/20220615101044.1972-1-shameerali.kolothum.thodi@huawei.com

which Joerg has queued up already. It looks like the cleanup still makes
sense though, so that's good.

Will