linux-kernel - [PATCH 4.19 17/78] ARC: HSDK: wireup perf irq

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Date:   Tue, 15 Sep 2020 16:12:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Vineet Gupta <vgupta@...opsys.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 17/78] ARC: HSDK: wireup perf irq

From: Vineet Gupta <vgupta@...opsys.com>

[ Upstream commit fe81d927b78c4f0557836661d32e41ebc957b024 ]

Newer version of HSDK aka HSDK-4xD (with dual issue HS48x4 CPU) wired up
the perf interrupt, so enable that in DT.
This is OK for old HSDK where this irq is ignored because pct irq is not
wired up in hardware.

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arc/boot/dts/hsdk.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index d131c54acd3ec..ab01b75bfa67d 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -83,6 +83,8 @@
 
 	arcpct: pct {
 		compatible = "snps,archs-pct";
+		interrupt-parent = <&cpu_intc>;
+		interrupts = <20>;
 	};
 
 	/* TIMER0 with interrupt for clockevent */
-- 
2.25.1