linux-kernel - [PATCH] irqchip/gic: Improved warning about incorrect type

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Message-Id: <20220308201117.3870678-1-f.fainelli@gmail.com>
Date:   Tue,  8 Mar 2022 12:11:16 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
Subject: [PATCH] irqchip/gic: Improved warning about incorrect type

Issue the warning for interrupt lines that have an incorrect interrupt
type and also print the hardware interrupt number to facilitate the
resolution of such problems.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/irqchip/irq-gic.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index b8bb46c65a97..6e4ef67325cc 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -1077,7 +1077,8 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
 
 		/* Make it clear that broken DTs are... broken */
-		WARN_ON(*type == IRQ_TYPE_NONE);
+		WARN(*type == IRQ_TYPE_NONE,
+		     "HW irq %ld has invalid type\n", *hwirq);
 		return 0;
 	}
 
@@ -1088,7 +1089,8 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 		*hwirq = fwspec->param[0];
 		*type = fwspec->param[1];
 
-		WARN_ON(*type == IRQ_TYPE_NONE);
+		WARN(*type == IRQ_TYPE_NONE,
+		     "HW irq %ld has invalid type\n", *hwirq);
 		return 0;
 	}
 
-- 
2.25.1