[PATCH] ARM: dts: bcm2711: Fix PCIe interrupts

Florian Fainelli f.fainelli at gmail.com
Fri Oct 29 14:09:26 PDT 2021


The PCIe host bridge has two interrupt lines, one that goes towards it
PCIE_INTR2 second level interrupt controller and one for its MSI second
level interrupt controller. The first interrupt line is not currently
managed by the driver, which is why it was not a functional problem.

The interrupt-map property was also only listing the PCI_INTA interrupts
when there are also the INTB, C and D.

Reported-by: Jim Quinlan <jim2101024 at gmail.com>
Fixes: d5c8dc0d4c88 ("ARM: dts: bcm2711: Enable PCIe controller")
Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 arch/arm/boot/dts/bcm2711.dtsi | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index 3b60297af7f6..9e01dbca4a01 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -506,11 +506,17 @@ pcie0: pcie at 7d500000 {
 			#address-cells = <3>;
 			#interrupt-cells = <1>;
 			#size-cells = <2>;
-			interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+			interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "pcie", "msi";
 			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
 			interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143
+							IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &gicv2 GIC_SPI 144
+							IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &gicv2 GIC_SPI 145
+							IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &gicv2 GIC_SPI 146
 							IRQ_TYPE_LEVEL_HIGH>;
 			msi-controller;
 			msi-parent = <&pcie0>;
-- 
2.25.1




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