From: Vineet Gupta vgupta@synopsys.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@synopsys.com Signed-off-by: Sasha Levin sashal@kernel.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 57d81c6aa379d..aeacea148793c 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -79,6 +79,8 @@ idu_intc: idu-interrupt-controller {
arcpct: pct { compatible = "snps,archs-pct"; + interrupt-parent = <&cpu_intc>; + interrupts = <20>; };
/* TIMER0 with interrupt for clockevent */