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Message-Id: <20221009064431.18839-4-lvjianmin@loongson.cn>
Date: Sun, 9 Oct 2022 14:44:30 +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 V3 3/4] irqchip/loongson-pch-pic: Support to set irq type for ACPI path
For ACPI path, the translate callback used IRQ_TYPE_NONE and ignored
the irq type in fwspec->param[1]. For supporting to set type for
irqs of the irqdomain, fwspec->param[1] should be used to get irq
type.
Signed-off-by: Jianmin Lv <lvjianmin@...ngson.cn>
---
drivers/irqchip/irq-loongson-pch-pic.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c
index 03493cda65a3..a26a3f59d4a5 100644
--- a/drivers/irqchip/irq-loongson-pch-pic.c
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -155,9 +155,6 @@ static int pch_pic_domain_translate(struct irq_domain *d,
struct pch_pic *priv = d->host_data;
struct device_node *of_node = to_of_node(fwspec->fwnode);
- if (fwspec->param_count < 1)
- return -EINVAL;
-
if (of_node) {
if (fwspec->param_count < 2)
return -EINVAL;
@@ -165,8 +162,14 @@ static int pch_pic_domain_translate(struct irq_domain *d,
*hwirq = fwspec->param[0] + priv->ht_vec_base;
*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
} else {
+ if (fwspec->param_count < 1)
+ return -EINVAL;
+
*hwirq = fwspec->param[0] - priv->gsi_base;
- *type = IRQ_TYPE_NONE;
+ if (fwspec->param_count > 1)
+ *type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
+ else
+ *type = IRQ_TYPE_NONE;
}
return 0;
--
2.31.1
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