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[188.155.201.27]) by smtp.googlemail.com with ESMTPSA id g10-20020adfe40a000000b00203eb3551f0sm6520028wrm.117.2022.03.25.02.42.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Mar 2022 02:42:18 -0700 (PDT) Message-ID: Date: Fri, 25 Mar 2022 10:42:17 +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] arm64: tegra: Enable hda node for P3737 + P3701 Content-Language: en-US To: Mohan Kumar D , robh+dt@kernel.org, krzk+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com References: <20220325072141.28597-1-mkumard@nvidia.com> <32e425be-5d78-e1e0-6ec4-70ea21895e15@nvidia.com> From: Krzysztof Kozlowski In-Reply-To: <32e425be-5d78-e1e0-6ec4-70ea21895e15@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,MAILING_LIST_MULTI, NICE_REPLY_A,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/03/2022 10:31, Mohan Kumar D wrote: > > On 3/25/2022 12:56 PM, Krzysztof Kozlowski wrote: >> External email: Use caution opening links or attachments >> >> >> On 25/03/2022 08:21, Mohan Kumar wrote: >>> Add iommus property for hda and enable the node for P3737 + P3701 >>> platform. >>> >>> Signed-off-by: Mohan Kumar >>> --- >>> arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts | 1 + >>> arch/arm64/boot/dts/nvidia/tegra234.dtsi | 1 + >>> 2 files changed, 2 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts >>> index 34d6a01ee1c6..156d5d95fde7 100644 >>> --- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts >>> +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts >>> @@ -1751,6 +1751,7 @@ >>> >>> hda@3510000 { >>> nvidia,model = "NVIDIA Jetson AGX Orin HDA"; >>> + status = "okay"; >> Nodes are enabled by default. Why do you need this? > hda node status is set to "disabled" by default in soc dts file > tegra234.dtsi. The enable is controlled by platform specific dts files. Oh, surprise... why do you override nodes with full path? This is error-prone and makes any changes (like node name fixing) difficult. This should be overridden by label. Best regards, Krzysztof