linux-kernel - Re: [PATCH v6 05/52] dt-bindings: memory: tegra20: mc: Document new interconnect property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201027085548.GE4244@kozik-lap>
Date:   Tue, 27 Oct 2020 09:55:48 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Mikko Perttunen <cyndis@...si.fi>,
        Viresh Kumar <vireshk@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v6 05/52] dt-bindings: memory: tegra20: mc: Document new
 interconnect property

On Mon, Oct 26, 2020 at 01:16:48AM +0300, Dmitry Osipenko wrote:
> Memory controller is interconnected with memory clients and with the
> External Memory Controller. Document new interconnect property which
> turns memory controller into interconnect provider.
> 
> Acked-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  .../bindings/memory-controllers/nvidia,tegra20-mc.txt          | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.txt b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.txt
> index e55328237df4..739b7c6f2e26 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.txt
> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.txt
> @@ -16,6 +16,8 @@ Required properties:
>    IOMMU specifier needed to encode an address. GART supports only a single
>    address space that is shared by all devices, therefore no additional
>    information needed for the address encoding.
> +- #interconnect-cells : Should be 1. This cell represents memory client.
> +  The assignments may be found in header file <dt-bindings/memory/tegra20-mc.h>.

This is a list of required properties so you break the ABI. All existing
DTBs will be affected.

Best regards,
Krzysztof