linux-kernel - Re: [PATCH v2 0/6] iommu/sun50i: Allwinner D1 support

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Date:   Fri, 20 Jan 2023 16:11:29 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, iommu@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH v2 0/6] iommu/sun50i: Allwinner D1 support

Hi Samuel,

On Mon, Jan 02, 2023 at 07:08:57PM -0600, Samuel Holland wrote:
> Samuel Holland (6):
>   dt-bindings: iommu: sun50i: Add compatible for Allwinner D1
>   iommu/sun50i: Track masters attached to the domain
>   iommu/sun50i: Keep the bypass register up to date
>   iommu/sun50i: Support variants without an external reset
>   iommu/sun50i: Add support for the D1 variant
>   riscv: dts: allwinner: d1: Add the IOMMU node

There is a conflict between these patches and changes in the IOMMU core
branch. With those merged in there is a compile warning about
sun50i_iommu_detach_domain() being unused. Fixing that requires removing
of 3-4 functions, which I am not sure is the right solution.

I pushed the arm/allwinner branch out to the iommu tree (with the core
branch merged in) and exluded it from next for now. Can you please have
a look and fix this up in a way that does not break the driver?

Once this is fixed I will include the arm/allwinner branch into my next
branch again.

Thanks,

	Joerg