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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id c14-20020a170906340e00b006ce98f2581asm5788379ejb.205.2022.03.20.05.42.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Mar 2022 05:42:14 -0700 (PDT) Message-ID: <74db8a20-7cce-ff86-7ae4-466416443ba9@canonical.com> Date: Sun, 20 Mar 2022 13:42:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [Patch v5 3/4] dt-bindings: memory: Update reg maxitems for tegra186 Content-Language: en-US To: Ashish Mhetre , robh+dt@kernel.org, thierry.reding@gmail.com, digetx@gmail.com, jonathanh@nvidia.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org Cc: vdumpa@nvidia.com, Snikam@nvidia.com References: <20220316092525.4554-1-amhetre@nvidia.com> <20220316092525.4554-4-amhetre@nvidia.com> From: Krzysztof Kozlowski In-Reply-To: <20220316092525.4554-4-amhetre@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 16/03/2022 10:25, Ashish Mhetre wrote: > From tegra186 onwards, memory controller support multiple channels. > Reg items are updated with address and size of these channels. > Tegra186 has overall 5 memory controller channels. Tegra194 and tegra234 > have overall 17 memory controller channels each. > There is 1 reg item for memory controller stream-id registers. > So update the reg maxItems to 18 in tegra186 devicetree documentation. > > Signed-off-by: Ashish Mhetre > --- > .../nvidia,tegra186-mc.yaml | 20 +++++++++++++------ > 1 file changed, 14 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml > index 13c4c82fd0d3..3c4e231dc1de 100644 > --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml > +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml > @@ -34,8 +34,8 @@ properties: > - nvidia,tegra234-mc > > reg: > - minItems: 1 > - maxItems: 3 > + minItems: 6 > + maxItems: 18 Still ABI break and now the in-kernel DTS will report dt check errors. I think you ignored the comments you got about breaking ABI. Best regards, Krzysztof