linux-kernel - [PATCH] irqchip/exiu: Fix the index of fwspec for IRQ type

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Date:   Tue, 17 Nov 2020 11:18:45 +0800
From:   Chen Baozi <cbz@...zis.org>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] irqchip/exiu: Fix the index of fwspec for IRQ type

From: Chen Baozi <chenbaozi@...tium.com.cn>

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

Signed-off-by: Chen Baozi <chenbaozi@...tium.com.cn>
---
 drivers/irqchip/irq-sni-exiu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-sni-exiu.c b/drivers/irqchip/irq-sni-exiu.c
index 1d027623c776..abd011fcecf4 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;
 }
-- 
2.28.0