linux-kernel - [PATCH 1/2] irqchip: zevio: use irq_data_get_chip

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Message-Id: <4cc3a3a7a74c7a1894892a85aa7eabbd1534fe96.1451484758.git.geliangtang@163.com>
Date:	Wed, 30 Dec 2015 22:16:37 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] irqchip: zevio: use irq_data_get_chip_type

Use irq_data_get_chip_type() instead of container_of().

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 drivers/irqchip/irq-zevio.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-zevio.c b/drivers/irqchip/irq-zevio.c
index 4c48fa8..cb9d8ec 100644
--- a/drivers/irqchip/irq-zevio.c
+++ b/drivers/irqchip/irq-zevio.c
@@ -43,8 +43,7 @@ static void __iomem *zevio_irq_io;
 static void zevio_irq_ack(struct irq_data *irqd)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(irqd);
-	struct irq_chip_regs *regs =
-		&container_of(irqd->chip, struct irq_chip_type, chip)->regs;
+	struct irq_chip_regs *regs = &irq_data_get_chip_type(irqd)->regs;
 
 	readl(gc->reg_base + regs->ack);
 }
-- 
2.5.0


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