From: Chen Baozi <chenbaozi@phytium.com.cn>
Date: Tue, 17 Nov 2020 03:20:15 +0000 (+0800)
Subject: irqchip/exiu: Fix the index of fwspec for IRQ type
X-Git-Tag: v5.15~2330^2^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d001e41e1b15716e9b759df5ef00510699f85282;p=platform%2Fkernel%2Flinux-starfive.git

irqchip/exiu: Fix the index of fwspec for IRQ type

Since fwspec->param_count of ACPI node is two, the index of IRQ type
in fwspec->param[] should be 1 rather than 2.

Fixes: 3d090a36c8c8 ("irqchip/exiu: Implement ACPI support")
Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20201117032015.11805-1-cbz@baozis.org
Cc: stable@vger.kernel.org
---

diff --git a/drivers/irqchip/irq-sni-exiu.c b/drivers/irqchip/irq-sni-exiu.c
index 1d02762..abd011f 100644
--- a/drivers/irqchip/irq-sni-exiu.c
+++ b/drivers/irqchip/irq-sni-exiu.c
@@ -136,7 +136,7 @@ static int exiu_domain_translate(struct irq_domain *domain,
 		if (fwspec->param_count != 2)
 			return -EINVAL;
 		*hwirq = fwspec->param[0];
-		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
+		*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
 	}
 	return 0;
 }