[tip:irq/core] irqchip/zevio: Use irq_data_get_chip_type() helper

[tip-bot for Geliang Tang <tipbot@zytor.com>]

Commit-ID:  1fd9a71076ccbcf731cf02408122600a6f2b5d17
Gitweb:     http://git.kernel.org/tip/1fd9a71076ccbcf731cf02408122600a6f2b5d17
Author:     Geliang Tang <geliangtang@163.com>
AuthorDate: Wed, 30 Dec 2015 22:16:37 +0800
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 30 Dec 2015 18:29:02 +0100

irqchip/zevio: Use irq_data_get_chip_type() helper

Use irq_data_get_chip_type() instead of container_of().

Signed-off-by: Geliang Tang <geliangtang@163.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/4cc3a3a7a74c7a1894892a85aa7eabbd1534fe96.1451484758.git.geliangtang@163.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 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);
 }