diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h
index 35fe6d5..6fbe229 100644
--- a/arch/arm/mach-exynos/include/mach/irqs.h
+++ b/arch/arm/mach-exynos/include/mach/irqs.h
@@ -464,10 +464,9 @@
 #define S5P_EINT_BASE2			(S5P_EINT_BASE1 + 16)
 #define S5P_GPIOINT_BASE		(S5P_EINT_BASE1 + 32)
 #define IRQ_GPIO_END			(S5P_GPIOINT_BASE + S5P_GPIOINT_COUNT)
-#define IRQ_TIMER_BASE			(IRQ_GPIO_END + 64)
 
 /* Set the default NR_IRQS */
 
-#define NR_IRQS				(IRQ_TIMER_BASE + IRQ_TIMER_COUNT)
+#define NR_IRQS				(IRQ_GPIO_END + 64)
 
 #endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 4cfc57b..4bb1964 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -1092,12 +1092,13 @@ static struct platform_device *universal_devices[] __initdata = {
 static const struct samsung_timer_variant universal_timer_variant = {
 	.reg_base = EXYNOS4_PA_TIMER,
 	.irqs = {
-		IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2,
-		IRQ_TIMER3, IRQ_TIMER4
+		IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+		IRQ_TIMER3_VIC, IRQ_TIMER4_VIC
 	},
 	.bits = 32,
 	.prescale = 2,
 	.divisor = 1,
+	.has_tint_cstat = true,
 };
 
 static void __init universal_map_io(void)
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
index 82b5acf..c1c54dc 100644
--- a/arch/arm/mach-s3c24xx/common.c
+++ b/arch/arm/mach-s3c24xx/common.c
@@ -225,6 +225,7 @@ static const struct samsung_timer_variant s3c24xx_timer_variant = {
 	.bits = 16,
 	.prescale = 25,
 	.divisor = 2,
+	.has_tint_cstat = false,
 };
 
 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index c2cbe84..31333fa 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -152,12 +152,13 @@ static struct device s3c64xx_dev = {
 static const struct samsung_timer_variant s3c64xx_timer_variant = {
 	.reg_base = S3C_PA_TIMER,
 	.irqs = {
-		IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2,
-		IRQ_TIMER3, IRQ_TIMER4
+		IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+		IRQ_TIMER3_VIC, IRQ_TIMER4_VIC
 	},
 	.bits = 32,
 	.prescale = 2,
 	.divisor = 1,
+	.has_tint_cstat = true,
 };
 
 /* read cpu identification code */
@@ -202,9 +203,6 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
 	/* initialise the pair of VICs */
 	vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
 	vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
-
-	/* add the timer sub-irqs */
-	s3c_init_vic_timer_irq(5, IRQ_TIMER0);
 }
 
 #define eint_offset(irq)	((irq) - IRQ_EINT(0))
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 96d60e0..67bbd1d 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -107,14 +107,6 @@
 #define IRQ_TC			IRQ_PENDN
 #define IRQ_ADC			S3C64XX_IRQ_VIC1(31)
 
-#define S3C64XX_TIMER_IRQ(x)	S3C_IRQ(64 + (x))
-
-#define IRQ_TIMER0		S3C64XX_TIMER_IRQ(0)
-#define IRQ_TIMER1		S3C64XX_TIMER_IRQ(1)
-#define IRQ_TIMER2		S3C64XX_TIMER_IRQ(2)
-#define IRQ_TIMER3		S3C64XX_TIMER_IRQ(3)
-#define IRQ_TIMER4		S3C64XX_TIMER_IRQ(4)
-
 /* compatibility for device defines */
 
 #define IRQ_IIC1		IRQ_S3C6410_IIC1
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
index 510b972..4dfbc07 100644
--- a/arch/arm/mach-s5p64x0/common.c
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -160,12 +160,13 @@ static void s5p64x0_idle(void)
 static const struct samsung_timer_variant s5p64x0_timer_variant = {
 	.reg_base = S5P_PA_TIMER,
 	.irqs = {
-		IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2,
-		IRQ_TIMER3, IRQ_TIMER4
+		IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+		IRQ_TIMER3_VIC, IRQ_TIMER4_VIC
 	},
 	.bits = 32,
 	.prescale = 2,
 	.divisor = 1,
+	.has_tint_cstat = true,
 };
 
 /*
diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-s5p64x0/include/mach/irqs.h
index 5b845e8..53982db 100644
--- a/arch/arm/mach-s5p64x0/include/mach/irqs.h
+++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h
@@ -141,8 +141,6 @@
 
 #define IRQ_EINT_GROUP(grp, x)	(IRQ_EINT_GROUP##grp##_BASE + (x))
 
-#define IRQ_TIMER_BASE		(11)
-
 /* Set the default NR_IRQS */
 
 #define NR_IRQS			(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR + 1)
diff --git a/arch/arm/mach-s5pc100/common.c b/arch/arm/mach-s5pc100/common.c
index 079c257..fdfad42 100644
--- a/arch/arm/mach-s5pc100/common.c
+++ b/arch/arm/mach-s5pc100/common.c
@@ -135,12 +135,13 @@ static struct map_desc s5pc100_iodesc[] __initdata = {
 static const struct samsung_timer_variant s5pc100_timer_variant = {
 	.reg_base = S5P_PA_TIMER,
 	.irqs = {
-		IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2,
-		IRQ_TIMER3, IRQ_TIMER4
+		IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+		IRQ_TIMER3_VIC, IRQ_TIMER4_VIC
 	},
 	.bits = 32,
 	.prescale = 2,
 	.divisor = 1,
+	.has_tint_cstat = true,
 };
 
 /*
diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index 2870f12..d2eb475 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -97,8 +97,6 @@
 #define IRQ_SDMFIQ		S5P_IRQ_VIC2(31)
 #define IRQ_VIC_END		S5P_IRQ_VIC2(31)
 
-#define IRQ_TIMER_BASE		(11)
-
 #define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
 #define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c
index 9549bb5..1e390d7 100644
--- a/arch/arm/mach-s5pv210/common.c
+++ b/arch/arm/mach-s5pv210/common.c
@@ -152,12 +152,13 @@ void s5pv210_restart(char mode, const char *cmd)
 static const struct samsung_timer_variant s5pv210_timer_variant = {
 	.reg_base = S5P_PA_TIMER,
 	.irqs = {
-		IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2,
-		IRQ_TIMER3, IRQ_TIMER4
+		IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+		IRQ_TIMER3_VIC, IRQ_TIMER4_VIC
 	},
 	.bits = 32,
 	.prescale = 2,
 	.divisor = 1,
+	.has_tint_cstat = true,
 };
 
 /*
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index e777e01..5e0de3a 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -118,8 +118,6 @@
 #define IRQ_MDNIE3		S5P_IRQ_VIC3(8)
 #define IRQ_VIC_END		S5P_IRQ_VIC3(31)
 
-#define IRQ_TIMER_BASE		(11)
-
 #define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
 #define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
diff --git a/arch/arm/plat-samsung/include/plat/irqs.h b/arch/arm/plat-samsung/include/plat/irqs.h
index df46b77..039001c 100644
--- a/arch/arm/plat-samsung/include/plat/irqs.h
+++ b/arch/arm/plat-samsung/include/plat/irqs.h
@@ -44,15 +44,6 @@
 #define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
 #define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
 
-#define S5P_TIMER_IRQ(x)	(IRQ_TIMER_BASE + (x))
-
-#define IRQ_TIMER0		S5P_TIMER_IRQ(0)
-#define IRQ_TIMER1		S5P_TIMER_IRQ(1)
-#define IRQ_TIMER2		S5P_TIMER_IRQ(2)
-#define IRQ_TIMER3		S5P_TIMER_IRQ(3)
-#define IRQ_TIMER4		S5P_TIMER_IRQ(4)
-#define IRQ_TIMER_COUNT		(5)
-
 #define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_EINT_BASE1) \
 					: ((x) - 16 + S5P_EINT_BASE2))
 
diff --git a/arch/arm/plat-samsung/s5p-irq.c b/arch/arm/plat-samsung/s5p-irq.c
index 103e371..ce8564d 100644
--- a/arch/arm/plat-samsung/s5p-irq.c
+++ b/arch/arm/plat-samsung/s5p-irq.c
@@ -29,6 +29,4 @@ void __init s5p_init_irq(u32 *vic, u32 num_vic)
 	for (irq = 0; irq < num_vic; irq++)
 		vic_init(VA_VIC(irq), VIC_BASE(irq), vic[irq], 0);
 #endif
-
-	s3c_init_vic_timer_irq(5, IRQ_TIMER0);
 }
diff --git a/drivers/clocksource/samsung-time.c b/drivers/clocksource/samsung-time.c
index 336b3aa5..5c6cfca 100644
--- a/drivers/clocksource/samsung-time.c
+++ b/drivers/clocksource/samsung-time.c
@@ -286,6 +286,11 @@ static irqreturn_t samsung_clock_event_isr(int irq, void *dev_id)
 {
 	struct clock_event_device *evt = dev_id;
 
+	if (timer_variant.has_tint_cstat) {
+		u32 mask = (1 << timer_source.event_id);
+		writel(mask | (mask << 5), S3C64XX_TINT_CSTAT);
+	}
+
 	evt->event_handler(evt);
 
 	return IRQ_HANDLED;
@@ -322,6 +327,11 @@ static void __init samsung_clockevent_init(void)
 
 	irq_number = timer_variant.irqs[timer_source.event_id];
 	setup_irq(irq_number, &samsung_clock_event_irq);
+
+	if (timer_variant.has_tint_cstat) {
+		u32 mask = (1 << timer_source.event_id);
+		writel(mask | (mask << 5), S3C64XX_TINT_CSTAT);
+	}
 }
 
 static void __iomem *samsung_timer_reg(void)
diff --git a/include/clocksource/samsung-time.h b/include/clocksource/samsung-time.h
index 66de2b5..af33bf9 100644
--- a/include/clocksource/samsung-time.h
+++ b/include/clocksource/samsung-time.h
@@ -36,6 +36,7 @@ struct samsung_timer_source {
  * @bits:	bit width of time counters
  * @prescale:	prescaler divisor
  * @divisor:	main divisor
+ * @has_tint_cstat: true if variant has TINT_CSTAT register
  */
 struct samsung_timer_variant {
 	unsigned long reg_base;
@@ -43,6 +44,7 @@ struct samsung_timer_variant {
 	int bits;
 	u16 prescale;
 	u16 divisor;
+	bool has_tint_cstat;
 };
 
 extern void samsung_set_timer_source(enum samsung_timer_mode event,
