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From:   Sam Protsenko <semen.protsenko@linaro.org>
Date:   Thu, 14 Jul 2022 16:25:06 +0300
Message-ID: <CAPLW+4kbCfjCqLGhsUUhf3Uzu3xkzoGT76+7LKFVA3Y3ozH6hg@mail.gmail.com>
Subject: Re: [PATCH v2 5/7] iommu/exynos: Check if SysMMU v7 has VM registers
To:     Marek Szyprowski <m.szyprowski@samsung.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Janghyuck Kim <janghyuck.kim@samsung.com>,
        Cho KyongHo <pullip.cho@samsung.com>,
        Daniel Mentz <danielmentz@google.com>,
        David Virag <virag.david003@gmail.com>,
        Sumit Semwal <sumit.semwal@linaro.org>, iommu@lists.linux.dev,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
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On Tue, 12 Jul 2022 at 18:47, Marek Szyprowski <m.szyprowski@samsung.com> wrote:
>
>
> On 11.07.2022 01:06, Sam Protsenko wrote:
> > SysMMU v7 can have Virtual Machine registers, which implement multiple
> > translation domains. The driver should know if it's true or not, as VM
> > registers shouldn't be accessed if not present. Read corresponding
> > capabilities register to obtain that info, and store it in driver data.
> >
> > Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
>
> I would merge this with the next one. Imho this change doesn't make much
> sense on it's own.
>

Will do in v2, thanks!

[snip]

>
> Best regards
> --
> Marek Szyprowski, PhD
> Samsung R&D Institute Poland
>