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Date:   Fri, 20 Nov 2020 17:23:15 +0100
From:   Thierry Reding <thierry.reding@gmail.com>
To:     Nicolin Chen <nicoleotsuka@gmail.com>
Cc:     joro@8bytes.org, linux-kernel@vger.kernel.org,
        iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org,
        jonathanh@nvidia.com, vdumpa@nvidia.com
Subject: Re: [PATCH RESEND 3/5] iommu/tegra-smmu: Use fwspec in
 tegra_smmu_(de)attach_dev
Message-ID: <20201120162315.GE3870099@ulmo>
References: <20201111222129.15736-1-nicoleotsuka@gmail.com>
 <20201111222129.15736-4-nicoleotsuka@gmail.com>
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On Wed, Nov 11, 2020 at 02:21:27PM -0800, Nicolin Chen wrote:
> In tegra_smmu_(de)attach_dev() functions, we poll DTB for each
> client's iommus property to get swgroup ID in order to prepare
> "as" and enable smmu. Actually tegra_smmu_configure() prepared
> an fwspec for each client, and added to the fwspec all swgroup
> IDs of client DT node in DTB.
>=20
> So this patch uses fwspec in tegra_smmu_(de)attach_dev() so as
> to replace the redundant DT polling code.
>=20
> Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
> Tested-by: Dmitry Osipenko <digetx@gmail.com>
> Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
> ---
>  drivers/iommu/tegra-smmu.c | 56 ++++++++++++++++----------------------
>  1 file changed, 23 insertions(+), 33 deletions(-)

Acked-by: Thierry Reding <treding@nvidia.com>

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