diff --git a/arch/arm/mach-exynos/include/mach/entry-macro.S b/arch/arm/mach-exynos/include/mach/entry-macro.S
index f5e9fd8e37b4..d7dfcd7eb921 100644
--- a/arch/arm/mach-exynos/include/mach/entry-macro.S
+++ b/arch/arm/mach-exynos/include/mach/entry-macro.S
@@ -72,7 +72,6 @@
 		cmpcc	\irqnr, \irqnr
 		cmpne	\irqnr, \tmp
 		cmpcs	\irqnr, \irqnr
-		addne	\irqnr, \irqnr, #32
 
 		.endm
 
diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h
index dfd4b7eecb90..713dd5251c64 100644
--- a/arch/arm/mach-exynos/include/mach/irqs.h
+++ b/arch/arm/mach-exynos/include/mach/irqs.h
@@ -17,13 +17,13 @@
 
 /* PPI: Private Peripheral Interrupt */
 
-#define IRQ_PPI(x)		S5P_IRQ(x+16)
+#define IRQ_PPI(x)		(x+16)
 
 #define IRQ_MCT_LOCALTIMER	IRQ_PPI(12)
 
 /* SPI: Shared Peripheral Interrupt */
 
-#define IRQ_SPI(x)		S5P_IRQ(x+32)
+#define IRQ_SPI(x)		(x+32)
 
 #define IRQ_EINT0		IRQ_SPI(16)
 #define IRQ_EINT1		IRQ_SPI(17)
@@ -163,7 +163,9 @@
 #define IRQ_GPIO2_NR_GROUPS	9
 #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_GPIO_END + 64)
+#define NR_IRQS			(IRQ_TIMER_BASE + IRQ_TIMER_COUNT)
 
 #endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-s5p64x0/include/mach/irqs.h
index 53982db9d259..5b845e849b30 100644
--- a/arch/arm/mach-s5p64x0/include/mach/irqs.h
+++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h
@@ -141,6 +141,8 @@
 
 #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/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h
index d2eb4757381f..2870f12c7926 100644
--- a/arch/arm/mach-s5pc100/include/mach/irqs.h
+++ b/arch/arm/mach-s5pc100/include/mach/irqs.h
@@ -97,6 +97,8 @@
 #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/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index 5e0de3a31f3d..e777e010ed2e 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -118,6 +118,8 @@
 #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 08d1a7ef97b7..df46b776976a 100644
--- a/arch/arm/plat-samsung/include/plat/irqs.h
+++ b/arch/arm/plat-samsung/include/plat/irqs.h
@@ -44,13 +44,14 @@
 #define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
 #define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
 
-#define S5P_TIMER_IRQ(x)	(11 + (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))