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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36a71d944c4sm3010287a91.1.2026.05.22.19.30.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 19:30:41 -0700 (PDT) From: Potin Lai X-Google-Original-From: Potin Lai Date: Sat, 23 May 2026 10:28:07 +0800 Subject: [PATCH 1/2] ARM: dts: aspeed: sanmiguel: Add IOEXP interrupt pin settings 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: <20260523-potin-update-sanmiguel-dts-20260522-v1-1-169f5fceb5f9@quantatw.com> References: <20260523-potin-update-sanmiguel-dts-20260522-v1-0-169f5fceb5f9@quantatw.com> In-Reply-To: <20260523-potin-update-sanmiguel-dts-20260522-v1-0-169f5fceb5f9@quantatw.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Patrick Williams Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Cosmo Chou , Mike Hsieh , Potin Lai , Potin Lai X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779503436; l=2395; i=potin.lai@quantatw.com; s=20260522; h=from:subject:message-id; bh=ab75eXWBcB5dHj/FlHKk33zIKemAgVJpWwAxAx7n/ww=; b=xF6jdZ4fIdGmdIfPmf8Wo8rovbwKz+ugVULJfctiEEq+ALXfJ/yVbnX1LAQXDR30lhljFcG7k 9iKOifluoJbCZ/C7YCPnaoo+c2o+DYZKVu7o+61HIs6ONQSJUEevezi X-Developer-Key: i=potin.lai@quantatw.com; a=ed25519; pk=j3/nMxzz1ZPpp1revghyZ8IqOnwi6RWfuxXN2XrNMRE= Kernel dmesg reports IRQ #44 being disabled due to unhandled interrupts from multiple PCA953x IO expanders: ``` [ 447.047861] irq 44: nobody cared (try booting with the "irqpoll" option) [ 447.063124] handlers: [ 447.068176] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.087268] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.106344] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.125421] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.144513] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.163587] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.182663] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.201756] [<2ab869ad>] irq_default_primary_handler threaded [= ] pca953x_irq_handler [ 447.220837] Disabling IRQ #44 ``` The affected IOEXP nodes are missing interrupt pin configuration in the device tree, causing the interrupt line to remain asserted and resulting in repeated unhandled IRQ events. Add the required interrupt-related properties for the affected IOEXP devices to ensure proper interrupt handling and prevent the IRQ from being disabled. Signed-off-by: Potin Lai --- arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts b/a= rch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts index 74c8c1772109..61dbef45f8b0 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts @@ -334,6 +334,8 @@ hmc_ioexp: gpio@20 { reg =3D <0x20>; gpio-controller; #gpio-cells =3D <2>; + interrupt-parent =3D <&gpio1>; + interrupts =3D ; =20 gpio-line-names =3D "", "", "HMC_EROT_FATAL_ERROR_L-I", "", @@ -552,6 +554,8 @@ smm_ext_ioexp: gpio@38 { reg =3D <0x38>; gpio-controller; #gpio-cells =3D <2>; + interrupt-parent =3D <&gpio1>; + interrupts =3D ; =20 gpio-line-names =3D "SSD0_PRSNT_L-I", "E1S_PWR_EN-O", --=20 2.52.0 From nobody Sun May 24 19:36:48 2026 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D5CB730E0EC for ; 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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36a71d944c4sm3010287a91.1.2026.05.22.19.30.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 19:30:44 -0700 (PDT) From: Potin Lai X-Google-Original-From: Potin Lai Date: Sat, 23 May 2026 10:28:08 +0800 Subject: [PATCH 2/2] ARM: dts: aspeed: sanmiguel: Fix the CPU_CHIPTHROT linename 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: <20260523-potin-update-sanmiguel-dts-20260522-v1-2-169f5fceb5f9@quantatw.com> References: <20260523-potin-update-sanmiguel-dts-20260522-v1-0-169f5fceb5f9@quantatw.com> In-Reply-To: <20260523-potin-update-sanmiguel-dts-20260522-v1-0-169f5fceb5f9@quantatw.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Patrick Williams Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Cosmo Chou , Mike Hsieh , Potin Lai , Potin Lai X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779503436; l=1342; i=potin.lai@quantatw.com; s=20260522; h=from:subject:message-id; bh=Q4E3ZBST3Q3ly34aY2FsZlQq16jx0NpfboLmFcFmWh0=; b=Ruc+O4VL0C7Z8Ul8A7X6wFf74EjrJxDSMlytQIRn/OlyWuyYFoLNzwlw/mw93ArtJMjKo7bJ7 HOfUx0FVyttDLIBwrTXOHZ490kWWtc7AqhVgNJDr5A4ZiBF7wLIJ0VE X-Developer-Key: i=potin.lai@quantatw.com; a=ed25519; pk=j3/nMxzz1ZPpp1revghyZ8IqOnwi6RWfuxXN2XrNMRE= Fix the GPIO linenames for CPU_CHIPTHROT signals. The signals were incorrectly marked as output ("-O") while they are actually input signals ("-I"). - B0_M0_CPU_CHIPTHROT_L-O -> B0_M0_CPU_CHIPTHROT_L-I - B1_M0_CPU_CHIPTHROT_L-O -> B1_M0_CPU_CHIPTHROT_L-I Signed-off-by: Potin Lai --- arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts b/a= rch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts index 61dbef45f8b0..d7ed497d7227 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts @@ -224,7 +224,7 @@ hpm0_ioexp_20: gpio@20 { "B0_M0_LEAK_DETECT_ALERT_L-I", "B0_M0_RUN_POWER_EN-O", "B0_M0_RUN_POWER_PG-I", - "B0_M0_CPU_CHIPTHROT_L-O", + "B0_M0_CPU_CHIPTHROT_L-I", "B0_M0_SHDN_REQ_L-O", "B0_M0_CPU_SHDN_OK_L-I", "B0_M0_CPLD_READY-I", @@ -398,7 +398,7 @@ hpm1_ioexp_20: gpio@20 { "B1_M0_LEAK_DETECT_ALERT_L-I", "B1_M0_RUN_POWER_EN-O", "B1_M0_RUN_POWER_PG-I", - "B1_M0_CPU_CHIPTHROT_L-O", + "B1_M0_CPU_CHIPTHROT_L-I", "B1_M0_SHDN_REQ_L-O", "B1_M0_CPU_SHDN_OK_L-I", "B1_M0_CPLD_READY-I", --=20 2.52.0