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39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From 8afc3ec3abcd230a0649670540bec353af775414 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Fri, 21 Jan 2022 12:24:57 +0000
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Subject: [PATCH 683/828] ARM: dts: BCM2711 AON_INTR2 generates IRQ edges
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THe AON_INTR2 controller manages the HDMI interrupts, combining them
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into a single interrupt passed to the GIC. bcm2711.dtsi declares the
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interrupt as being IRQ_TYPE_LEVEL_HIGH, but it should be
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IRQ_TYPE_EDGE_RISING. Most of the time the distinction shouldn't
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matter, but there is a small possibility of losing interrupts unless
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it is corrected.
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See: http://lists.infradead.org/pipermail/linux-arm-kernel/2022-January/710292.html
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm2711.dtsi | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2711.dtsi
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+++ b/arch/arm/boot/dts/bcm2711.dtsi
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@@ -320,7 +320,7 @@
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aon_intr: interrupt-controller@7ef00100 {
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compatible = "brcm,bcm2711-l2-intc", "brcm,l2-intc";
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reg = <0x7ef00100 0x30>;
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- interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
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+ interrupts = <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>;
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interrupt-controller;
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#interrupt-cells = <1>;
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status = "disabled";
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@@ -403,7 +403,7 @@
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<&clk_27MHz>;
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resets = <&dvp 1>;
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interrupt-parent = <&aon_intr>;
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- interrupts = <8>, <7>, <6>,
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+ interrupts = <8>, <7>, <6>, // This is correct
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<9>, <10>, <11>;
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interrupt-names = "cec-tx", "cec-rx", "cec-low",
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"wakeup", "hpd-connected", "hpd-removed";
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