linux-kernel - [PATCH V2 2/2] irqchip/loongson-liointc: Support to set irq type for ACPI path

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Message-Id: <20221008025150.10734-3-lvjianmin@loongson.cn>
Date:   Sat,  8 Oct 2022 10:51:50 +0800
From:   Jianmin Lv <lvjianmin@...ngson.cn>
To:     Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>
Cc:     linux-kernel@...r.kernel.org, loongarch@...ts.linux.dev,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Len Brown <lenb@...nel.org>, rafael@...nel.org,
        linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [PATCH V2 2/2] irqchip/loongson-liointc: Support to set irq type for ACPI path

For ACPI path, the xlate callback used IRQ_TYPE_NONE and ignored
the irq type in intspec[1]. For supporting to set type for
irqs of the irqdomain, intspec[1] should be used to get irq
type.

Signed-off-by: Jianmin Lv <lvjianmin@...ngson.cn>
---
 drivers/irqchip/irq-loongson-liointc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c
index 0da8716f8f24..838c8fa2d868 100644
--- a/drivers/irqchip/irq-loongson-liointc.c
+++ b/drivers/irqchip/irq-loongson-liointc.c
@@ -167,7 +167,12 @@ static int liointc_domain_xlate(struct irq_domain *d, struct device_node *ctrlr,
 	if (WARN_ON(intsize < 1))
 		return -EINVAL;
 	*out_hwirq = intspec[0] - GSI_MIN_CPU_IRQ;
-	*out_type = IRQ_TYPE_NONE;
+
+	if (intsize > 1)
+		*out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
+	else
+		*out_type = IRQ_TYPE_NONE;
+
 	return 0;
 }
 
-- 
2.31.1