linux-kernel - [PATCH 2/2] ARM: dts: aspeed: catalina: remove interrupt of GPIOB4 form all IOEXP

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Message-Id: <20241121-catalina-dts-20241120-v1-2-e4212502624b@gmail.com>
Date: Thu, 21 Nov 2024 12:34:05 +0800
From: Potin Lai <potin.lai.pt@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>, 
 Patrick Williams <patrick@...cx.xyz>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Cosmo Chou <cosmo.chou@...ntatw.com>, Potin Lai <potin.lai@...ntatw.com>, 
 Potin Lai <potin.lai.pt@...il.com>
Subject: [PATCH 2/2] ARM: dts: aspeed: catalina: remove interrupt of GPIOB4
 form all IOEXP

We notice this interrupt pin always keep low, it cause BMC stuck at boot
up until kernel disabling IRQ of this GPIO pin.

Remove the interrupt of GPIOB4 pin from all IOEXP for now to avoid BMC
get stuck.

Signed-off-by: Potin Lai <potin.lai.pt@...il.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
index 417c0d12635c..3822bb3c9243 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -593,8 +593,6 @@ io_expander0: gpio@20 {
 		reg = <0x20>;
 		gpio-controller;
 		#gpio-cells = <2>;
-		interrupt-parent = <&gpio0>;
-		interrupts = <ASPEED_GPIO(B, 4) IRQ_TYPE_LEVEL_LOW>;
 	};
 
 	// Module 1 IOEXP
@@ -603,8 +601,6 @@ io_expander1: gpio@21 {
 		reg = <0x21>;
 		gpio-controller;
 		#gpio-cells = <2>;
-		interrupt-parent = <&gpio0>;
-		interrupts = <ASPEED_GPIO(B, 4) IRQ_TYPE_LEVEL_LOW>;
 	};
 
 	// HMC IOEXP
@@ -613,8 +609,6 @@ io_expander2: gpio@27 {
 		reg = <0x27>;
 		gpio-controller;
 		#gpio-cells = <2>;
-		interrupt-parent = <&gpio0>;
-		interrupts = <ASPEED_GPIO(B, 4) IRQ_TYPE_LEVEL_LOW>;
 	};
 
 	// Module 0 EEPROM

-- 
2.31.1