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[192.35.156.11]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc419c52sm35047910eec.10.2026.07.27.13.51.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Jul 2026 13:51:10 -0700 (PDT) Message-ID: Date: Mon, 27 Jul 2026 13:51:08 -0700 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/4] dt-bindings: arm: ras: Introduce bindings for ARM RAS error sources To: Umang Chheda , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Ruidong Tian , Tony Luck , Borislav Petkov Cc: 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> <20260720081954.1858180-2-umang.chheda@oss.qualcomm.com> Content-Language: en-US From: Trilok Soni In-Reply-To: <20260720081954.1858180-2-umang.chheda@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI3MDE4NiBTYWx0ZWRfX7J8kT8GbHdnM 09PanN055tAD18Jzb3YAEp3Ynjkhgl2m1bK/Mj9vsr/xs/ps5Bs6DS34mwcGIecp+3fYW1SZIAj BBnANbNwHsH0+4mSslJubN8mB/+F/Iw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI3MDE4NiBTYWx0ZWRfX6r30iFZXep7X umVgLfaTx9CX3ehaVIhkYGcYgB+yKvwvCfz/NSxdZRccOhYTpKmxER+StQmF9m6S8fq37y23H6B jsKo8jJ8QTrWo7o6AOMrguZNWfWg2TFSEhHWUahGX4peuIOjcNNOmfgVAmoCrjrlDDhmzvdvWPL qE9hY9TmXgi0rS+THTbgrFr2qPjopOlVS7Td90tOHucWt6CkG6vbzwwv6q06FZqZ02W3NdUVwdd hIf57ivt9aH89AZcpToAI7rqLJDUe6ITvkNthmE/IJt/4yPmRHHiS6PKuy3G+VyZj4WI5JR3gUn t03DHX9tDt552pddU5LXqIsVsoLHSkHX/Uz7SOgVS8n2fWsk8YQg9IdL6g/v3CYzEmTxYJfyeDE 04yS6FHckLCnWSAeWwokQ9K39cLMU3Kjg9Fqvq4PfOeyN0JzXjXXfngaoNr/p9jLMPwuFnVN+AN fGhXHne1v4B+en23nWw== X-Proofpoint-GUID: 1MZKQH86L2WltPI1MYt30-enScVUuAJr X-Authority-Analysis: v=2.4 cv=KJ9qylFo c=1 sm=1 tr=0 ts=6a67c4c0 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZdW6uxA9NKXbfdqeeS2OGA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=ZKp2R2PTrS9d3pXqUQEA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: 1MZKQH86L2WltPI1MYt30-enScVUuAJr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-27_05,2026-07-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 malwarescore=0 clxscore=1011 lowpriorityscore=0 phishscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607270186 On 7/20/2026 1:19 AM, Umang Chheda wrote: > ARMv8 and later processors implement the RAS (Reliability, > Availability and Serviceability) extensions, exposing hardware > error records through a standardised register interface. > > Add Device Tree bindings to describe RAS error sources. > > Signed-off-by: Umang Chheda ... \> diff --git a/include/dt-bindings/arm/arm-ras.h b/include/dt-bindings/arm/arm-ras.h > new file mode 100644 > index 000000000000..c2f4e1f8243e > --- /dev/null > +++ b/include/dt-bindings/arm/arm-ras.h > @@ -0,0 +1,11 @@ > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ > + > +#ifndef _DT_BINDINGS_ARM_RAS_H > +#define _DT_BINDINGS_ARM_RAS_H > + > +/* arm,group-format - error record group register window page size */ > +#define ARM_RAS_GROUP_4K 0 /* 4 KiB, 1 ERRGSR */ > +#define ARM_RAS_GROUP_16K 1 /* 16 KiB, 4 ERRGSRs */ > +#define ARM_RAS_GROUP_64K 2 /* 64 KiB, 14 ERRGSRs */ Do you want me to have different DT for 4k and 16k and 64k? This is not a right approach. > + > +#endif /* _DT_BINDINGS_ARM_RAS_H */ > -- > 2.34.1 > >