[PATCH 5.9 147/152] irqchip/exiu: Fix the index of fwspec for IRQ type

[Greg Kroah-Hartman]

From: Chen Baozi <chenbaozi@xxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201117032015.11805-1-cbz@xxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 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;
 }