linux-kernel - [PATCH 2/4] irqchip/atmel-aic5: Fix irq

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Date:   Tue, 10 Mar 2020 18:49:19 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Russell King <linux@....linux.org.uk>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Zenghui Yu <yuzenghui@...wei.com>
Subject: [PATCH 2/4] irqchip/atmel-aic5: Fix irq_retrigger callback return value

The irq_retrigger callback is supposed to return 0 when retrigger
has failed, and a non-zero value otherwise. Tell the core code
that the driver has succedded in using the HW to retrigger the
interrupt.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-atmel-aic5.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index 29333497ba10..fc1b3a9cdafc 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -128,7 +128,7 @@ static int aic5_retrigger(struct irq_data *d)
 	irq_reg_writel(bgc, 1, AT91_AIC5_ISCR);
 	irq_gc_unlock(bgc);
 
-	return 0;
+	return 1;
 }
 
 static int aic5_set_type(struct irq_data *d, unsigned type)
-- 
2.20.1