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Mon, 13 Jul 2026 02:59:00 -0700 (PDT) Received: from hu-faiyazm-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b659c865asm74766748c88.11.2026.07.13.02.58.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2026 02:58:59 -0700 (PDT) From: Faiyaz Mohammed Date: Mon, 13 Jul 2026 15:28:52 +0530 Subject: [PATCH v2] EDAC/qcom: Skip ECC interrupt setup on Shikra, pre-configured by DSF 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: quoted-printable Message-Id: <20260713-shikra-edac-v2-1-22fcb3ca9fb9@qti.qualcomm.com> X-B4-Tracking: v=1; b=H4sIANu2VGoC/yXMSQ5AQBBA0atIrXVS2rBwFbHooVAkSBciEXfXW L7F/xcIBSaBOrkg0MHCyxyh0wTcYOaeFPto0KgrrHJUMvAUjCJvnLIZlgV6tGQyiMUaqOPzuzX tb9ntSG57F3DfD7xaZgxvAAAA X-Change-ID: 20260630-shikra-edac-b10540d0bea1 To: Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Komal Bajaj , Faiyaz Mohammed X-Mailer: b4 0.15.2 X-Authority-Analysis: v=2.4 cv=FMErAeos c=1 sm=1 tr=0 ts=6a54b6e5 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=8vN1fEklARe-nqYcCewA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDEwMyBTYWx0ZWRfX9s6+EKpB7ojX iw1Jvb7mOWwE5CuSn2Q5j+/c9fN/XeXieEHGPO5VTnfQKDUep3F86pxg2ViDQTX0p7jssnz6vhR e8hl9qLChrD2mvFT73ZuiAXo1cFuS4A= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEwMyBTYWx0ZWRfX2DIMF+FcxRe2 /xQecOfryFaa3aqMvhnRTfQ/Wb4qEFT9XaSgiZ1HO/Y3yyPH9qjtIJkHYmX3J1lZSdomCkzcAPe G8lIeAlGMpQzRrdV+rO5zEhkvoFzeWM0vfhd10DVS79atHl1tg2jbzYDydC2SrW6J8f7AMDv6qy ELr3/YzNVst8QkgqidPmmAwa4OpGyZ10o1HyTIkpy6RVc8PAQaihy6xKqvft+IB5cZc2frt/aI+ k61Zdg+lQEB1t/zqbMeDv4F4W/epmop/bg7CBQyJ7I8BX73s9oPZSj0ws55hUhNvDjq2VbDr77u iIDj/Ipm61FzS/ixoPx82oRvRCbsJqI30gCmRahYc5n5VRTecf+wrdwuJpoVyk7JfcB6X2QkQnS EsTi6IJIeaybdwpu1M/sMRilgxqOuRSwIRJ546+qD32zM+gjqhqWlwVV5tUXiHzkYGUf0d/MiJV dkdNQrFryoB/JH0C/Ow== X-Proofpoint-ORIG-GUID: bGFHv8UcQB5Q9c3R5BKmi5IRKjmuf3Kh X-Proofpoint-GUID: bGFHv8UcQB5Q9c3R5BKmi5IRKjmuf3Kh 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=2026-07-13_02,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 bulkscore=0 malwarescore=0 impostorscore=0 suspectscore=0 priorityscore=1501 phishscore=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-2607130103 On Shikra, the DDR System Firmware (DSF) configures ECC interrupt routing before the kernel driver probes =E2=80=94 it enables Tag/Data RAM interrupts and programs error thresholds in the LLCC interrupt-enable registers. Set irq_configured in shikra_cfg so that qcom_llcc_edac_probe() skips calling qcom_llcc_core_setup(), which would otherwise overwrite the firmware-managed register state with redundant writes. Signed-off-by: Faiyaz Mohammed Reviewed-by: Komal Bajaj Reviewed-by: Mukesh Ojha --- Changes in v2: - Dropped [1/2] "soc: qcom: llcc: Add configuration data for Shikra SoC" which was already merged via drivers-for-7.3. - Resend as standalone single-patch series. Link: https://lore.kernel.org/all/20260630-shikra-edac-v1-0-287b3233241a@os= s.qualcomm.com/ --- drivers/soc/qcom/llcc-qcom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 22c8099cf6bb..733999867bbf 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -4595,6 +4595,7 @@ static const struct qcom_llcc_config shikra_cfg[] =3D= { .size =3D ARRAY_SIZE(shikra_data), .reg_offset =3D llcc_v2_1_reg_offset, .edac_reg_offset =3D &llcc_v2_1_edac_reg_offset, + .irq_configured =3D true, }, }; =20 --- base-commit: 982af1cc6c964f143aac5c6afdba6380739577eb change-id: 20260630-shikra-edac-b10540d0bea1 Best regards, -- =20 Faiyaz Mohammed