linux-kernel - [irqchip: irq/irqchip-next] irqchip/loongson-pch-pic: Support to set IRQ type for ACPI path

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Date:   Sat, 26 Nov 2022 13:34:42 -0000
From:   "irqchip-bot for Jianmin Lv" <tip-bot2@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Marc Zyngier <maz@...nel.org>, tglx@...utronix.de
Subject: [irqchip: irq/irqchip-next] irqchip/loongson-pch-pic: Support to set
 IRQ type for ACPI path

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     25f3514aab3748bfef4a279ed599f836ac83e62a
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/25f3514aab3748bfef4a279ed599f836ac83e62a
Author:        Jianmin Lv <lvjianmin@...ngson.cn>
AuthorDate:    Sat, 22 Oct 2022 15:59:54 +08:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Sat, 26 Nov 2022 13:05:48 

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>
Reviewed-by: Huacai Chen <chenhuacai@...ngson.cn>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20221022075955.11726-4-lvjianmin@loongson.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 03493cd..a26a3f5 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;