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Wed, 14 Oct 2026 08:56:22 -0700 (PDT) Received: from hu-faiyazm-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e8422e14f6sm71961375ad.69.2026.10.14.08.56.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 08:56:22 -0700 (PDT) From: Faiyaz Mohammed Subject: [PATCH 0/4] edac: qcom: add DDR DRAM ECC reporting for Shikra (QCM2390) Date: Wed, 14 Oct 2026 21:26:15 +0530 Message-Id: <20261014-master-v1-0-aba3cfcfbac9@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAB+mz2oC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDCyMT3dzE4pLUIt1EM2MLwyTzNFPjtDQloOKCotS0zAqwQdGxEH5xaVJ WanIJSLdSbS0AIWU//WoAAAA= X-Change-ID: 20260824-master-a6381b7f53ff To: Bjorn Andersson , Konrad Dybcio , Conor Dooley , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Manivannan Sadhasivam , Borislav Petkov , Tony Luck , Conor Dooley , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, Faiyaz Mohammed X-Mailer: b4 0.15.2 X-Proofpoint-ORIG-GUID: PC4JwW9J7-5DlPslVvW43S3K_s71ELtP X-Proofpoint-GUID: PC4JwW9J7-5DlPslVvW43S3K_s71ELtP X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE0MDA2MyBTYWx0ZWRfXwKi8HRKcHxMd 441MkZlczQL8/Q5GVxpSe++KqzAWpetBRNiJE5BjSgGk6NAUUtINmUUIAy68sU52zHsbZtGK0E5 5lWgb16Z0bx/s6YiPeUlXYxVSeJthuk= X-Authority-Analysis: v=2.4 cv=NctzRGD4 c=1 sm=1 tr=0 ts=6acfa628 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=28_99TRhucPTTWWXKPwA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE0MDA2MyBTYWx0ZWRfX2+UeKaehD9Sp 3oYdu9YVb4SHhzLU9l9P10K9EG2lseb5asQbFtBksYXqWXEmmByRF/RqSTtNxv0kTJ4yCovJOzY fdwM3DO3i1KsAjDOYkICCLyPaPCvJ7HMJXB+j9FYLrAh82Meo15ahF81kSae53wuVgOIU0YDrvb A6HCHu4DHkj/swEFyIILzck/afLWWE3jRxi2hkvL8tSb+oQY1mCLY6cHP0lemKWt+o+i8tMIHNH oOeXNWikKPw4gtSTWfeDgtVe2XpxhXTwXZypOecLOtHsz2sh31pOVzr2ts6xFxfZuD7KxkdCA3H BrKH6cWXyuPBJgXJ1GSjLjPF73d6gR7SGwRxV5TAzFKTkYD9SJcdbw/RoyYsY3No9tcv/p/ZbQo tZPKMSwrd/+ezfA85h712o3Xrs2mJTETJfLaX5ow29Mth2WOMxh+w5WApEzZqQ9Vb5Ysz7diQs4 uF7ZPuxmYrNcf2QS8rg== 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=2026-10-13_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1011 suspectscore=0 lowpriorityscore=0 spamscore=0 phishscore=0 impostorscore=0 bulkscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610140063 Add DDR DRAM ECC reporting for QCM2390 (Shikra) via the LLCC EDAC driver. The LCP/SRP block between the LLCC and DDR PHY signals CE/UE errors on a dedicated interrupt separate from the TRP/DRP cache ECC path. Patch 1 updates the DT binding to allow an optional second interrupt, adds interrupt-names ("llcc-ecc", "llcc-lcp-ecc"), and enforces both are present for qcom,shikra-llcc. Patch 2 adds LCP/SRP register offsets to struct llcc_edac_reg_offset, populates them for QCM2390, and adds lcp_irq to struct llcc_drv_data. Patch 3 adds qcom_llcc_lcp_setup() to initialise the LCP block and llcc_lcp_ecc_irq_handler() to report per-bank CE/UE errors via EDAC. Patch 4 adds the second interrupt entry and interrupt-names to the Shikra LLCC DT node. Signed-off-by: Faiyaz Mohammed --- Faiyaz Mohammed (4): dt-bindings: cache: qcom,llcc: allow optional second interrupt for LCP/SRP ECC soc: qcom: llcc: add LCP/SRP DDR DRAM ECC register offsets edac: qcom: add LCP/SRP DDR DRAM ECC support for Shikra arm64: dts: qcom: shikra: add LCP/SRP ECC interrupt to LLCC node .../devicetree/bindings/cache/qcom,llcc.yaml | 26 +++- arch/arm64/boot/dts/qcom/shikra.dtsi | 4 +- drivers/edac/qcom_edac.c | 147 +++++++++++++++++++++ drivers/soc/qcom/llcc-qcom.c | 45 ++++++- include/linux/soc/qcom/llcc-qcom.h | 13 ++ 5 files changed, 231 insertions(+), 4 deletions(-) --- base-commit: cbf6c6b201561342d673223d1e59ef771c7a9dbf change-id: 20260824-master-a6381b7f53ff Best regards, -- Faiyaz Mohammed