[tip: irq/core] irqchip/atmel-aic: Fix irq_retrigger callback return value

[tip-bot2 for Marc Zyngier]

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     7177144a54f594f8815b777ae647e58b07c03f86
Gitweb:        https://git.kernel.org/tip/7177144a54f594f8815b777ae647e58b07c03f86
Author:        Marc Zyngier <maz@xxxxxxxxxx>
AuthorDate:    Tue, 10 Mar 2020 18:49:18 
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Mon, 16 Mar 2020 15:48:54 

irqchip/atmel-aic: 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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200310184921.23552-2-maz@xxxxxxxxxx
---
 drivers/irqchip/irq-atmel-aic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-atmel-aic.c b/drivers/irqchip/irq-atmel-aic.c
index bb1ad45..2c999dc 100644
--- a/drivers/irqchip/irq-atmel-aic.c
+++ b/drivers/irqchip/irq-atmel-aic.c
@@ -83,7 +83,7 @@ static int aic_retrigger(struct irq_data *d)
 	irq_reg_writel(gc, d->mask, AT91_AIC_ISCR);
 	irq_gc_unlock(gc);
 
-	return 0;
+	return 1;
 }
 
 static int aic_set_type(struct irq_data *d, unsigned type)