Re: [PATCH v3 4/4] dma-mapping: remove unused mapping resource callbacks

[Jason Gunthorpe]

On Tue, Sep 16, 2025 at 10:32:07AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> After ARM conversion to use physical addresses for the mapping,
> there is no in-kernel users for map_resource/unmap_resource callbacks,
> so remove it.
> 
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> ---
>  include/linux/dma-map-ops.h |  6 ------
>  kernel/dma/mapping.c        | 16 ++++------------
>  2 files changed, 4 insertions(+), 18 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Looks like xen_swiotlb_dma_ops will be easy enough to fix..

Jason