linux-kernel - [PATCH] irqchip: ingenic: Leave parent IRQ unmasked on suspend

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Date:   Wed, 19 Aug 2020 20:06:02 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>
Cc:     od@...c.me, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH] irqchip: ingenic: Leave parent IRQ unmasked on suspend

All the wakeup sources we possibly want will go through the interrupt
controller, so the parent IRQ must not be masked during suspend, or
there won't be any way to wake up the system.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 drivers/irqchip/irq-ingenic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c
index 9f3da4260ca6..b61a8901ef72 100644
--- a/drivers/irqchip/irq-ingenic.c
+++ b/drivers/irqchip/irq-ingenic.c
@@ -125,7 +125,7 @@ static int __init ingenic_intc_of_init(struct device_node *node,
 		irq_reg_writel(gc, IRQ_MSK(32), JZ_REG_INTC_SET_MASK);
 	}
 
-	if (request_irq(parent_irq, intc_cascade, 0,
+	if (request_irq(parent_irq, intc_cascade, IRQF_NO_SUSPEND,
 			"SoC intc cascade interrupt", NULL))
 		pr_err("Failed to register SoC intc cascade interrupt\n");
 	return 0;
-- 
2.28.0