[PATCH v7 19/24] iommu/sun50i: Add an IOMMU_IDENTITIY_DOMAIN

Jerry Snitselaar jsnitsel at redhat.com
Tue Aug 29 07:11:03 AEST 2023


On Wed, Aug 23, 2023 at 01:47:33PM -0300, Jason Gunthorpe wrote:
> Prior to commit 1b932ceddd19 ("iommu: Remove detach_dev callbacks") the
> sun50i_iommu_detach_device() function was being called by
> ops->detach_dev().
> 
> This is an IDENTITY domain so convert sun50i_iommu_detach_device() into
> sun50i_iommu_identity_attach() and a full IDENTITY domain and thus hook it
> back up the same was as the old ops->detach_dev().
> 
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
> ---
>  drivers/iommu/sun50i-iommu.c | 26 +++++++++++++++++++-------
>  1 file changed, 19 insertions(+), 7 deletions(-)
> 

Reviewed-by: Jerry Snitselaar <jsnitsel at redhat.com>



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