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Tue, 21 Apr 2026 22:46:03 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay04.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 63LMk2k240829492 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Apr 2026 22:46:02 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F1AC358059; Tue, 21 Apr 2026 22:46:01 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5F2AB58043; Tue, 21 Apr 2026 22:46:01 +0000 (GMT) Received: from pfw153.pfw.tadn.ibm.com (unknown [9.5.7.52]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 21 Apr 2026 22:46:01 +0000 (GMT) From: Ninad Palsule To: eajames@linux.ibm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: Andrew Geissler , ninad@linux.ibm.com Subject: [PATCH v1 5/7] ARM: dts: aspeed: system1: disable NCSI net port Date: Tue, 21 Apr 2026 17:45:42 -0500 Message-ID: <20260421224551.1611818-6-ninad@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260421224551.1611818-1-ninad@linux.ibm.com> References: <20260421224551.1611818-1-ninad@linux.ibm.com> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: 3wuiv0BTP6bxQQCHKaorDkJ5P_7T4ICw X-Authority-Analysis: v=2.4 cv=Ksp9H2WN c=1 sm=1 tr=0 ts=69e7fe2c cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=CjxXgO3LAAAA:8 a=VnNF1IyMAAAA:8 a=q50bWYc_djlZ50k8_NIA:9 X-Proofpoint-GUID: kHVQpezY5AI0k2lTZtkrV9cMwTGio6Vf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIxMDIyMiBTYWx0ZWRfX6ZEgGgqXm8pk qYbO6urJeW0IwleQv0z0qfL9zR/bUk/awtiP165fm6aVlpr3N9h1m2ny2rmCzwuLeIcT2rqvC1W WVZuwcsJPcL4L5x5ZwuxS/Qsg58dpU6Yjm8IwhVqdAgB0UGLfcOx9+nyfaRYQ7gxpJY0agVGv6D oVtRULhNzM0tkEyA4hfMcqZ/3Tro4POGltnB5DR/Cpfqpds41tt6cwFWn111+yhJN8LTQhaP2lx tAeSOF/q1HV3LL5rIFQy29JiDj06ERk5MtZQ7s/cTdtWk8n0x5Tpuzpb1sT5UmER+TYNpST8AXP tEF/92Yxd+dUJnBdFIwJefsHcj2RG6WRsYHnCvtssDast/RC6K3ZVqJm1q9R4/jbqzkfKmfKgbH HanZlq9imsJnmwylbMoDBKqhtwnoDbEIxwn7cWCWRu0kA7pXc4XPn34lOdw2+PzcEu/Q6y9NIBX 7UPzNFz6P54jEgRl81g== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-21_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 malwarescore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 adultscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604210222 From: Andrew Geissler There appears to be a hardware issue on system1 with the shared NCSI network port, eth2. Our use cases don't require the use of this shared network port by the BMC so just remove it from our device tree. The symptom is that intermittently the entire BMC network stack will stop working during a chassis power on or off. Any active ssh sessions to the BMC will completely hang, and then come back after 5-60 seconds. Signed-off-by: Andrew Geissler Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts index a5252cec9903..3ccf932832f1 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -519,16 +519,6 @@ &mac2 { use-ncsi; }; -&mac3 { - status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_rmii4_default>; - clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>, - <&syscon ASPEED_CLK_MAC4RCLK>; - clock-names = "MACCLK", "RCLK"; - use-ncsi; -}; - &wdt1 { aspeed,reset-type = "none"; aspeed,external-signal; -- 2.51.0