Subject: Re: [PATCH v6 13/25] iommu/omap: Implement an IDENTITY domain

From: Baolu Lu <[email-masked]>
Date: Mon, 14 Aug 2023 13:10:32 +0800

On 2023/8/3 8:08, Jason Gunthorpe wrote:
> What omap does during omap_iommu_set_platform_dma() is actually putting
> the iommu into identity mode.
> 
> Move to the new core support for ARM_DMA_USE_IOMMU by defining
> ops->identity_domain.
> 
> This driver does not support IOMMU_DOMAIN_DMA, however it cannot be
> compiled on ARM64 either. Most likely it is fine to support dma-iommu.c
> 
> Signed-off-by: Jason Gunthorpe<[email-masked]>
> ---
>   drivers/iommu/omap-iommu.c | 21 ++++++++++++++++++---
>   1 file changed, 18 insertions(+), 3 deletions(-)

Reviewed-by: Lu Baolu <[email-masked]>

Best regards,
baolu