linux-kernel - [tip:irq/urgent] irqchip/irq-mvebu-gicp: Add missing spin

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Date:   Tue, 31 Oct 2017 16:39:46 -0700
From:   tip-bot for Antoine Tenart <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, antoine.tenart@...e-electrons.com,
        tglx@...utronix.de, mingo@...nel.org, hpa@...or.com
Subject: [tip:irq/urgent] irqchip/irq-mvebu-gicp: Add missing spin_lock init

Commit-ID:  c9bb86338a6bb91e4d32db04feb6b8d423e04d06
Gitweb:     https://git.kernel.org/tip/c9bb86338a6bb91e4d32db04feb6b8d423e04d06
Author:     Antoine Tenart <antoine.tenart@...e-electrons.com>
AuthorDate: Wed, 25 Oct 2017 09:23:26 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 1 Nov 2017 00:35:18 +0100

irqchip/irq-mvebu-gicp: Add missing spin_lock init

A spin lock is used in the irq-mvebu-gicp driver, but it is never
initialized. This patch adds the missing spin_lock_init() call in the
driver's probe function.

Fixes: a68a63cb4dfc ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP")
Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: gregory.clement@...e-electrons.com
Acked-by: marc.zyngier@....com
Cc: thomas.petazzoni@...e-electrons.com
Cc: andrew@...n.ch
Cc: jason@...edaemon.net
Cc: nadavh@...vell.com
Cc: miquel.raynal@...e-electrons.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: sebastian.hesselbarth@...il.com
Cc: stable@...r.kernel.org
Link: https://lkml.kernel.org/r/20171025072326.21030-1-antoine.tenart@free-electrons.com

---
 drivers/irqchip/irq-mvebu-gicp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index b283fc9..17a4a7b 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -194,6 +194,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	gicp->dev = &pdev->dev;
+	spin_lock_init(&gicp->spi_lock);
 
 	gicp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!gicp->res)