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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: qdq5L9BMc15S8QUc5mLdwhtfA1Mpthke7JFjHkPlTDwasFAoMxv5k6nf5KUuVnnE7FKA7Wrd6iFndHmcFYsR63S/uwdE48voDfc4EOx4dpDqgQOqxwzIll/Wv5tH6E0a3YkL6LXP0HX2S1xccwnnzG5rGWyK5V/DuVbFzm8T6MS/WBswG0Qb5A6AoGUqbS5UWmYbb0Nx33w+W7LsOZJfYHFqIR1eTiNB1Ioo2/9ACq659Wr7lm+COLMykcfoVVS+JuR3TEgGKRw5CS9MNlS0nSna/XMlbATzJOr8jJ4jkvOijww+WTEU7qYEICCv7lKZ3oMPcpRkAMh5Ft1+F7Srb8jKzRdJzpsWzg+esQCRF2Sg5x9nWLEnv441ycwyDPqs26+83Sc/h/+yz9Xl3LXdl9HE+hVgsm5yV6PM9Y1vzdAX1YWoP2pY49o6fcV91p48 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2026 13:42:58.9596 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 354bee06-ed7b-432c-ec76-08decc765829 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00027A5E.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR08MB9869 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260617_064309_517028_D2B9C62B X-CRM114-Status: GOOD ( 13.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/06/2026 15:49, Rob Herring wrote: > On Thu, Jun 11, 2026 at 03:22:21PM +0100, Ahmed Tiba wrote: >> On 29/05/2026 17:44, Jonathan Cameron wrote: >>> On Fri, 29 May 2026 10:50:49 +0100 >>> Ahmed Tiba wrote: >>>> .../devicetree/bindings/firmware/arm,ras-cper.yaml | 54 ++++++++++++++++++++++ >>>> MAINTAINERS | 5 ++ >>>> 2 files changed, 59 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml b/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml >>>> new file mode 100644 >>>> index 000000000000..3d4de096093f >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml >>>> @@ -0,0 +1,54 @@ >>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>>> +%YAML 1.2 >>>> +--- >>>> +$id:http://devicetree.org/schemas/firmware/arm,ras-cper.yaml# >>>> +$schema:http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: Arm RAS CPER provider >>>> + >>>> +maintainers: >>>> + - Ahmed Tiba >>>> + >>>> +description: >>>> + Arm Reliability, Availability and Serviceability (RAS) firmware can expose >>>> + a firmware-first CPER error source directly via DeviceTree. Firmware >>>> + provides the CPER Generic Error Status block and notifies the OS through >>>> + an interrupt. >>> I'd like some spec references in here if possible. >> I can add a reference to the UEFI CPER specification for the Generic >> Error Status record format. >> >> For the firmware-first DT description itself I do not have a more specific >> public reference to cite. > > Is there a platform actually using this with DT (FVP doesn't really > count)? > > Rob Yes. The initial intended user is the upstream zena-css platform, with validation so far on FVP. I will note that in the next revision commit message and cover letter. Best regards, Ahmed