linux-kernel - [PATCH] riscv: dts: startfive: currect number of external interrupts

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Date:   Mon,  6 Jun 2022 18:29:23 +0200
From:   Mark Kettenis <kettenis@...nbsd.org>
To:     kernel@...il.dk, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     Mark Kettenis <kettenis@...nbsd.org>, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] riscv: dts: startfive: currect number of external interrupts

The PLIC integrated on the Vic_U7_Core integrated on the StarFive
JH7100 SoC actually supports 133 external interrupts.  127 of these
are exposed to the outside world; the remainder are used by other
devices that are part of the core-complex such as the L2 cache
controller.  But all 133 interrupts are external interrupts as far
as the PLIC is concerned.  Fixing the property that specifies the
number of external interrupts allows the driver to manage these
additional interrupts, whch is important since the interrupts for
the L2 cache controller are enabled by default.

Signed-off-by: Mark Kettenis <kettenis@...nbsd.org>
---
 arch/riscv/boot/dts/starfive/jh7100.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 69f22f9aad9d..f48e232a72a7 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -118,7 +118,7 @@ plic: interrupt-controller@...0000 {
 			interrupt-controller;
 			#address-cells = <0>;
 			#interrupt-cells = <1>;
-			riscv,ndev = <127>;
+			riscv,ndev = <133>;
 		};

 		clkgen: clock-controller@...00000 {
-- 
2.36.0