MIPS: Add IRQF_TIMER flag for timer interrupts

Along the lines of d6c585a4342a2ff627a29f9aea77c5ed4cd76023, add IRQF_TIMER
flag for all timer interrupts  This ensures that timer interrupts won't be
disabled on suspend and not threaded for PREEMPT_RT.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index 92351e0..f5d265e 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -113,7 +113,7 @@
 
 static struct irqaction gt641xx_timer0_irqaction = {
 	.handler	= gt641xx_timer0_interrupt,
-	.flags		= IRQF_DISABLED | IRQF_PERCPU,
+	.flags		= IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
 	.name		= "gt641xx_timer0",
 };
 
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 2652362..b469ad0 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -83,7 +83,7 @@
 
 struct irqaction c0_compare_irqaction = {
 	.handler = c0_compare_interrupt,
-	.flags = IRQF_DISABLED | IRQF_PERCPU,
+	.flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
 	.name = "timer",
 };
 
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index f7d8d5d..ed5c441 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -98,7 +98,7 @@
 
 static struct irqaction irq0  = {
 	.handler = timer_interrupt,
-	.flags = IRQF_DISABLED | IRQF_NOBALANCING,
+	.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER,
 	.name = "timer"
 };