linux-kernel - Re: [PATCH] firmware: qcom: scm: add 32 bit iommu page table support

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Date:   Thu, 2 Jan 2020 03:50:20 -0500
From:   Brian Masney <masneyb@...tation.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     agross@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: qcom: scm: add 32 bit iommu page table support

Hi Bjorn,

On Wed, Jan 01, 2020 at 11:36:07PM -0800, Bjorn Andersson wrote:
> On Tue 31 Dec 19:37 PST 2019, Brian Masney wrote:
> 
> > Add 32 bit implmentations of the functions
> > __qcom_scm_iommu_secure_ptbl_size() and
> > __qcom_scm_iommu_secure_ptbl_init() that are required by the qcom_iommu
> > driver.
> > 
> 
> Hi Brian,
> 
> This looks good, but I was hoping to  hoping to reach a conclusion and
> merge [1] - which in patch 16 squashes the argument filling boiler plate
> code of the 32 and 64-bit version of scm and hence implements the same.
> 
> If you have time to take a peek at this series I would greatly
> appreciate it (not a lot of people testing 32-bit these days...)
> 
> [1] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=215943

I'll look at that series this weekend and test it on arm32.

Brian