linux-kernel - Re: [PATCH v4 16/20] iommu/tegra: gart: Don't use managed resources

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Message-ID: <a9e2943b-1139-8838-5440-bd6cf55e9a55@gmail.com>
Date:   Mon, 24 Sep 2018 21:57:10 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Jonathan Hunter <jonathanh@...dia.com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        iommu@...ts.linux-foundation.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 16/20] iommu/tegra: gart: Don't use managed resources

On 9/24/18 1:52 PM, Thierry Reding wrote:
> On Mon, Sep 24, 2018 at 03:41:49AM +0300, Dmitry Osipenko wrote:
>> GART is a part of the Memory Controller driver that is always built-in,
>> hence there is no benefit from the use of managed resources.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>> ---
>>  drivers/iommu/tegra-gart.c | 12 +++++++-----
>>  1 file changed, 7 insertions(+), 5 deletions(-)
> 
> One benefit would be cleanup on probe error. Also, we may eventually
> want to make even the memory controller driver buildable as a module.

Please, let's keep that patch as is and re-introduce devm once it will
become really relevant.