From: Thierry Reding <thierry.reding@gmail.com>
To: Mark Zhang <markz@nvidia.com>
Cc: gnurou@gmail.com, hdoyu@nvidia.com, joro@8bytes.org,
swarren@wwwdotorg.org, olof@lixom.net,
iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] memory: Add NVIDIA SMMU suspend/resume support
Date: Fri, 9 Jan 2015 12:57:07 +0100 [thread overview]
Message-ID: <20150109115706.GH16465@ulmo> (raw)
In-Reply-To: <1419383441-18242-1-git-send-email-markz@nvidia.com>
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On Wed, Dec 24, 2014 at 09:10:41AM +0800, Mark Zhang wrote:
> This patch adds suspend/resume support for NVIDIA SMMU.
>
> Signed-off-by: Mark Zhang <markz@nvidia.com>
> ---
> Hi Alex/Olof/Thierry/Hiroshi,
>
> This patch is created on top of Thierry Reding's patch set:
> "[PATCH v7 00/12] NVIDIA Tegra memory controller and IOMMU support"
>
> Changes since v1:
> - Remove the list which saves "tegra_smmu_swgroup_asid" instances
> - Save all ASID registers when suspend then restore them when resume
>
> drivers/iommu/tegra-smmu.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++
> drivers/memory/tegra/mc.c | 24 ++++++++++++++++
> drivers/memory/tegra/mc.h | 8 ++++++
> 3 files changed, 103 insertions(+)
We only need this for LP0, right? As such I'm reluctant to apply this
since we can't test it upstream.
Thierry
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prev parent reply other threads:[~2015-01-09 11:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-24 1:10 [PATCH v2] memory: Add NVIDIA SMMU suspend/resume support Mark Zhang
2014-12-24 1:10 ` Mark Zhang
2015-01-09 11:57 ` Thierry Reding [this message]
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