linux-kernel - Re: [PATCH v3 2/9] gpu: host1x: Add context bus

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Date:   Tue, 22 Feb 2022 22:36:31 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Mikko Perttunen <mperttunen@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, joro@...tes.org,
        will@...nel.org, robh+dt@...nel.org, linux-tegra@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/9] gpu: host1x: Add context bus

On Tue, Feb 22, 2022 at 09:30:30PM +0000, Robin Murphy wrote:
> > But the pattern that this copies in arm_smmu_bus_init is really
> > ugly.  I think we need to figure out a way todo that without having
> > to export all the low-level bus types.
> 
> Yup, as it happens that was the first step on my mission :)
> 
> https://gitlab.arm.com/linux-arm/linux-rm/-/commits/iommu/bus
> 
> Still a way to go with the main meat of that work, though, so I was figuring
> this could probably land as-is and I'll sweep it up in due course.

Yes, that part looks very nice.  It would be great to get that merged
ASAP.