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Subject[PATCH 5.4 85/98] irqchip/exiu: Fix the index of fwspec for IRQ type
Date
From: Chen Baozi <chenbaozi@phytium.com.cn>

commit d001e41e1b15716e9b759df5ef00510699f85282 upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/irqchip/irq-sni-exiu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/irqchip/irq-sni-exiu.c
+++ b/drivers/irqchip/irq-sni-exiu.c
@@ -136,7 +136,7 @@ static int exiu_domain_translate(struct
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;
}

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