netdev - Re: [PATCH 03/18] iommu/fsl_pamu: remove support for setting DOMAIN_ATTR

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Message-ID: <20210330121555.GC5908@willie-the-truck>
Date:   Tue, 30 Mar 2021 13:15:56 +0100
From:   Will Deacon <will@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Joerg Roedel <joro@...tes.org>, Li Yang <leoyang.li@....com>,
        Michael Ellerman <mpe@...erman.id.au>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH 03/18] iommu/fsl_pamu: remove support for setting
 DOMAIN_ATTR_GEOMETRY

On Tue, Mar 16, 2021 at 04:38:09PM +0100, Christoph Hellwig wrote:
> The default geometry is the same as the one set by qman_port given
> that FSL_PAMU depends on having 64-bit physical and thus DMA addresses.
> 
> Remove the support to update the geometry and remove the now pointless
> geom_size field.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Li Yang <leoyang.li@....com>
> ---
>  drivers/iommu/fsl_pamu_domain.c     | 55 +++--------------------------
>  drivers/iommu/fsl_pamu_domain.h     |  6 ----
>  drivers/soc/fsl/qbman/qman_portal.c | 12 -------
>  3 files changed, 5 insertions(+), 68 deletions(-)

Took me a minute to track down the other magic '36' which ends up in
aperture_end, but I found it eventually so:

Acked-by: Will Deacon <will@...nel.org>

(It does make me wonder what all this glue was intended to be used for)

Will