linux-kernel - [PATCH 2/5] irqchip: armada-370-xp: prepare additions to armada_xp_mpic_secondary

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Date:	Tue, 20 Oct 2015 15:23:52 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Tawfik Bayouk <tawfik@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>,
	Lior Amsalem <alior@...vell.com>, Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: [PATCH 2/5] irqchip: armada-370-xp: prepare additions to armada_xp_mpic_secondary_init()

As a preparation to adding more code in
armada_xp_mpic_secondary_init(), this commit slightly refactors the
current function to bail out early if we're not handling the actions
of interest.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
---
 drivers/irqchip/irq-armada-370-xp.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 655cb96..f5afe81 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -377,10 +377,11 @@ static void armada_mpic_send_doorbell(const struct cpumask *mask,
 static int armada_xp_mpic_secondary_init(struct notifier_block *nfb,
 					 unsigned long action, void *hcpu)
 {
-	if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) {
-		armada_xp_mpic_perf_init();
-		armada_xp_mpic_smp_cpu_init();
-	}
+	if (action != CPU_STARTING && action != CPU_STARTING_FROZEN)
+		return NOTIFY_OK;
+
+	armada_xp_mpic_perf_init();
+	armada_xp_mpic_smp_cpu_init();
 
 	return NOTIFY_OK;
 }
-- 
2.6.2

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