[tip:irq/core] irqchip/bcm2836: Make code more readable

[tip-bot for Andrea Merello]

Commit-ID:  64103f061573e3d7670ba295b07919fb8fc7594c
Gitweb:     http://git.kernel.org/tip/64103f061573e3d7670ba295b07919fb8fc7594c
Author:     Andrea Merello <andrea.merello@xxxxxxxxx>
AuthorDate: Sat, 26 Dec 2015 13:47:24 -0800
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 29 Dec 2015 11:40:46 +0100

irqchip/bcm2836: Make code more readable

Avoid using hardcoded magics. We have a #define for this number.
No functional changes.

Signed-off-by: Andrea Merello <andrea.merello@xxxxxxxxx>
Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
Cc: Lee Jones <lee@xxxxxxxxxx>
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1451166444-11044-5-git-send-email-eric@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 drivers/irqchip/irq-bcm2836.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index bb8f234..963065a 100644
--- a/drivers/irqchip/irq-bcm2836.c
+++ b/drivers/irqchip/irq-bcm2836.c
@@ -167,7 +167,7 @@ __exception_irq_entry bcm2836_arm_irqchip_handle_irq(struct pt_regs *regs)
 	u32 stat;
 
 	stat = readl_relaxed(intc.base + LOCAL_IRQ_PENDING0 + 4 * cpu);
-	if (stat & 0x10) {
+	if (stat & BIT(LOCAL_IRQ_MAILBOX0)) {
 #ifdef CONFIG_SMP
 		void __iomem *mailbox0 = (intc.base +
 					  LOCAL_MAILBOX0_CLR0 + 16 * cpu);
--
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