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Mon, 24 Aug 2026 02:11:18 -0700 (PDT) X-Received: by 2002:a17:90b:3b84:b0:38e:ab3f:2c99 with SMTP id 98e67ed59e1d1-395c358b9bfmr18634920a91.2.1787562678524; Mon, 24 Aug 2026 02:11:18 -0700 (PDT) Received: from [10.92.202.220] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-395e4968618sm10951827a91.3.2026.08.24.02.11.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Aug 2026 02:11:18 -0700 (PDT) Message-ID: <20e19a52-81d8-4751-99ae-c1297c2ca026@oss.qualcomm.com> Date: Mon, 24 Aug 2026 14:41:12 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/4] arm64: dts: qcom: monaco: add RAS error source nodes To: Bjorn Andersson Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Ruidong Tian , Tony Luck , Borislav Petkov , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org, faruque.ansari@oss.qualcomm.com, avaneesh.dwivedi@oss.qualcomm.com References: <20260720081954.1858180-1-umang.chheda@oss.qualcomm.com> <20260720081954.1858180-4-umang.chheda@oss.qualcomm.com> Content-Language: en-US From: Umang Chheda In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI0MDA3OSBTYWx0ZWRfX9HJhIEa5/eCO ANxoQlQZpBwms6scLAE4jotr+46Xmg2+Aj8x7n/gASqOz7Hf5bdXMhGJcmt2369NhO9OguiH5P9 8cuSB3+udK7k8o2c3QTkAyX6LzbSdzkpOuaoozbsDi8FnBgNvP4AFMymzonoHq0rcZGvAPMmsuq vMa3ZgAs3v/OKwAWvxt1GUNMY5qvvfM/61lWi5P5zizEOg5SHrQrUxSbixAFAI1mc1+0hEd4cLD yh3iOCY4t1KkDG7pVo1w4c5atVwltsUV9hM5lN1a3RQV0e28H6+iqwzQuBqb4AGnrFW10VP4t6S gef5Wj5IudXsUWadIst5OncrD6Rkwa6gP6e2SRXJ2SURzgr+fyt7FWFP1uwlVY4pWiVJcBvJGUk 4g2en2uwImH8Eq5793s3YDUpclTVYsx+ni5+JX6Wk/WwudVJdpRbOnD7yNRke1tdcpV7bFXjJGf S1OlIbDr/youMaP8zKg== X-Authority-Analysis: v=2.4 cv=JL0LdcKb c=1 sm=1 tr=0 ts=6a8c0ab7 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=pc6iunps6SSU6zhADHUA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI0MDA3OSBTYWx0ZWRfX3ZIKnCJYDlxv XAnngiq99s8ha+F0b4nindaxv7z9JojaqJWyv6DQroN4fLTLmn/CaURpXlUPT/eDlleeFIGUTM0 K/XHyxo2nlk6kaZfGwuEseSw1Ex8g5c= X-Proofpoint-GUID: dQg6fvG1r5MfpyEuLrDrhOlm6OcoUive X-Proofpoint-ORIG-GUID: dQg6fvG1r5MfpyEuLrDrhOlm6OcoUive X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-24_03,2026-08-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 adultscore=0 bulkscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608240079 Hello Bjorn, On 8/2/2026 9:19 AM, Bjorn Andersson wrote: > On Mon, Jul 20, 2026 at 01:49:53PM +0530, Umang Chheda wrote: >> Add RAS error source nodes for the Monaco SoC. > > Why is the subject "repeated" here? Ack, will fix this in v3. > >> >> Two processor error sources are described: a per-PE node covering the >> L1/L2 cache hierarchy using a PPI, and two shared L3 cache nodes for >> the two CPU clusters using SPIs. > > Please read > https://docs.kernel.org/process/submitting-patches.html#describe-your-changes > and don't assume the reader know what this is and why it might be > useful. Ack, got it- will update the commit text to reflect what it is and why it is required. > >> >> Co-developed-by: Faruque Ansari >> Signed-off-by: Faruque Ansari >> Signed-off-by: Umang Chheda >> --- >> arch/arm64/boot/dts/qcom/monaco.dtsi | 30 ++++++++++++++++++++++++++++ >> 1 file changed, 30 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi >> index 64fc0d592282..4fbd1dc9a147 100644 >> --- a/arch/arm64/boot/dts/qcom/monaco.dtsi >> +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi >> @@ -724,6 +724,36 @@ system_pd: power-domain-system { >> }; >> }; >> >> + ras-l1l2-0 { > > Why is there a -0 suffix on this node? Ack, -0 is not needed here - will fix this in v3 to use generic node name. > > Regards, > Bjorn > >> + compatible = "arm,ras-processor"; >> + arm,num-records = <1>; >> + arm,record-impl = /bits/ 64 <0x1>; >> + arm,status-reporting = /bits/ 64 <0x1>; >> + cache = <&l2_0>; >> + interrupts = ; >> + interrupt-names = "fhi"; >> + }; >> + >> + ras-l3-cluster0 { >> + compatible = "arm,ras-processor"; >> + arm,num-records = <2>; >> + arm,record-impl = /bits/ 64 <0x2>; >> + arm,status-reporting = /bits/ 64 <0x2>; >> + cache = <&l3_0>; >> + interrupts = ; >> + interrupt-names = "fhi"; >> + }; >> + >> + ras-l3-cluster1 { >> + compatible = "arm,ras-processor"; >> + arm,num-records = <2>; >> + arm,record-impl = /bits/ 64 <0x2>; >> + arm,status-reporting = /bits/ 64 <0x2>; >> + cache = <&l3_1>; >> + interrupts = ; >> + interrupt-names = "fhi"; >> + }; >> + >> reserved-memory { >> #address-cells = <2>; >> #size-cells = <2>; >> -- >> 2.34.1 >> Thanks, Umang