linux-kernel - Re: [PATCH v1 3/6] iommu/exynos-iommu: Set release_domain to exynos_identity

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Message-ID: <20251020184634.GC316284@nvidia.com>
Date: Mon, 20 Oct 2025 15:46:34 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: joro@...tes.org, kevin.tian@...el.com, suravee.suthikulpanit@....com,
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Subject: Re: [PATCH v1 3/6] iommu/exynos-iommu: Set release_domain to
 exynos_identity_domain

On Sun, Oct 12, 2025 at 04:57:39PM -0700, Nicolin Chen wrote:
> Following a coming core change to pass in the old domain pointer into the
> attach_dev op and its callbacks, exynos_iommu_identity_attach() will need
> this new argument too, which the release_device op doesn't provide.
> 
> Instead, the core provides a release_domain to attach to the device prior
> to invoking the release_device callback. Thus, simply use that.
> 
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
> ---
>  drivers/iommu/exynos-iommu.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason