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Date: Tue, 3 Mar 2020 19:16:25 +0000
From: Will Deacon <will@...nel.org>
To: Joerg Roedel <joro@...tes.org>
Cc: iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-mediatek@...ts.infradead.org,
virtualization@...ts.linux-foundation.org,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Hanjun Guo <guohanjun@...wei.com>,
Sudeep Holla <sudeep.holla@....com>,
Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Robin Murphy <robin.murphy@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Jean-Philippe Brucker <jean-philippe@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: Re: [PATCH 00/14] iommu: Move iommu_fwspec out of 'struct device'
Hi Joerg,
On Fri, Feb 28, 2020 at 04:08:06PM +0100, Joerg Roedel wrote:
> here is a patch-set to rename iommu_param to dev_iommu and
> establish it as a struct for generic per-device iommu-data.
> Also move the iommu_fwspec pointer from struct device into
> dev_iommu to have less iommu-related pointers in struct
> device.
>
> The bigger part of this patch-set moves the iommu_priv
> pointer from struct iommu_fwspec to dev_iommu, making is
> usable for iommu-drivers which do not use fwspecs.
>
> The changes for that were mostly straightforward, except for
> the arm-smmu (_not_ arm-smmu-v3) and the qcom iommu driver.
> Unfortunatly I don't have the hardware for those, so any
> testing of these drivers is greatly appreciated.
I haven't had a chance to review this properly yet, but I did take it
for a spin on my Seattle board with MMU-400 (arm-smmu) and it seems to
work the same as before, so:
Tested-by: Will Deacon <will@...nel.org> # arm-smmu
I'll try to review the patches soon.
Cheers,
Will
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