linux-kernel - [PATCH v2 1/7] irqchip/gic-v3: always return IRQ_SET_MASK_OK_DONE in gic_set

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Message-Id: <1455110583-19515-2-git-send-email-antoine.tenart@free-electrons.com>
Date:	Wed, 10 Feb 2016 14:22:57 +0100
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	tglx@...utronix.de, jason@...edaemon.net, marc.zyngier@....com,
	tsahee@...apurnalabs.com
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	rshitrit@...apurnalabs.com, thomas.petazzoni@...e-electrons.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/7] irqchip/gic-v3: always return IRQ_SET_MASK_OK_DONE in gic_set_affinity

Always return IRQ_SET_MASK_OK_DONE instead of IRQ_SET_MASK_OK when the
affinity has been updated. When using stacked irqchips, returning
IRQ_SET_MASK_OK_DONE means skipping all descendant irqchips.

Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
---
 drivers/irqchip/irq-gic-v3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index d7be6ddc34f6..ca120a99bd5a 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -634,7 +634,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
 	else
 		gic_dist_wait_for_rwp();
 
-	return IRQ_SET_MASK_OK;
+	return IRQ_SET_MASK_OK_DONE;
 }
 #else
 #define gic_set_affinity	NULL
-- 
2.7.0