From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 06/21] dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc
Date: Wed, 12 Dec 2018 11:02:14 +0100 [thread overview]
Message-ID: <20181212100214.GC15092@ulmo> (raw)
In-Reply-To: <20181209202950.31486-7-digetx@gmail.com>
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On Sun, Dec 09, 2018 at 11:29:35PM +0300, Dmitry Osipenko wrote:
> Splitting GART and Memory Controller wasn't a good decision that was made
> back in the day. Given that the GART driver wasn't ever been used by
> anything in the kernel, we decided that it will be better to correct the
> mistakes of the past and merge two bindings into a single one. As a result
> there is a DT ABI change for the Memory Controller that allows not to
> break newer kernels using older DT and not to break older kernels using
> newer DT, that is done by changing the 'compatible' of the node to
> 'tegra20-mc-gart' and adding a new-required clock property. The new clock
> property also puts the tegra20-mc binding in line with the bindings of the
> later Tegra generations.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
> .../bindings/iommu/nvidia,tegra20-gart.txt | 14 ----------
> .../memory-controllers/nvidia,tegra20-mc.txt | 27 +++++++++++++------
> 2 files changed, 19 insertions(+), 22 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/iommu/nvidia,tegra20-gart.txt
Acked-by: Thierry Reding <treding@nvidia.com>
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next prev parent reply other threads:[~2018-12-12 10:02 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-09 20:29 [PATCH v6 00/21] IOMMU: Tegra GART driver clean up and optimization Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 01/21] iommu/tegra: gart: Remove pr_fmt and clean up includes Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 02/21] iommu/tegra: gart: Clean up driver probe errors handling Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 03/21] iommu/tegra: gart: Ignore devices without IOMMU phandle in DT Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 04/21] iommu: Introduce iotlb_sync_map callback Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 05/21] iommu/tegra: gart: Optimize mapping / unmapping performance Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 06/21] dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc Dmitry Osipenko
2018-12-12 10:02 ` Thierry Reding [this message]
2018-12-09 20:29 ` [PATCH v6 07/21] ARM: dts: tegra20: Update Memory Controller node to the new binding Dmitry Osipenko
2018-12-12 10:02 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 08/21] memory: tegra: Don't invoke Tegra30+ specific memory timing setup on Tegra20 Dmitry Osipenko
2018-12-12 10:02 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 09/21] memory: tegra: Adapt to Tegra20 device-tree binding changes Dmitry Osipenko
2018-12-12 10:05 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 10/21] memory: tegra: Read client ID on GART page fault Dmitry Osipenko
2018-12-12 10:05 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 11/21] memory: tegra: Use of_device_get_match_data() Dmitry Osipenko
2018-12-12 10:05 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 12/21] memory: tegra: Use relaxed versions of readl/writel Dmitry Osipenko
2018-12-12 10:05 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 13/21] iommu/tegra: gart: Integrate with Memory Controller driver Dmitry Osipenko
2018-12-12 10:14 ` Thierry Reding
2018-12-12 13:52 ` Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 14/21] iommu/tegra: gart: Fix spinlock recursion Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 15/21] iommu/tegra: gart: Fix NULL pointer dereference Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 16/21] iommu/tegra: gart: Allow only one active domain at a time Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 17/21] iommu/tegra: gart: Don't use managed resources Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 18/21] iommu/tegra: gart: Prepend error/debug messages with "gart:" Dmitry Osipenko
2018-12-12 10:20 ` Thierry Reding
2018-12-09 20:29 ` [PATCH v6 19/21] iommu/tegra: gart: Don't detach devices from inactive domains Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 20/21] iommu/tegra: gart: Simplify clients-tracking code Dmitry Osipenko
2018-12-09 20:29 ` [PATCH v6 21/21] iommu/tegra: gart: Perform code refactoring Dmitry Osipenko
2018-12-12 10:20 ` Thierry Reding
2018-12-11 9:53 ` [PATCH v6 00/21] IOMMU: Tegra GART driver clean up and optimization Joerg Roedel
2018-12-11 13:22 ` Dmitry Osipenko
2018-12-12 10:24 ` Thierry Reding
2018-12-12 10:43 ` Joerg Roedel
2018-12-12 12:49 ` Dmitry Osipenko
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