diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c
index 440e9aa..23d5bee 100644
--- a/arch/arm/mach-s3c2410/bast-irq.c
+++ b/arch/arm/mach-s3c2410/bast-irq.c
@@ -112,8 +112,7 @@
 
 static void
 bast_irq_pc104_demux(unsigned int irq,
-		     struct irqdesc *desc,
-		     struct pt_regs *regs)
+		     struct irqdesc *desc)
 {
 	unsigned int stat;
 	unsigned int irqno;
@@ -133,7 +132,7 @@
 			if (stat & 1) {
 				irqno = bast_pc104_irqs[i];
 				desc = irq_desc + irqno;
-				desc_handle_irq(irqno, desc, regs);
+				desc_handle_irq(irqno, desc);
 			}
 		}
 	}
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index d264bbb..3d211dc 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -595,7 +595,7 @@
 #define dmadbg2(x...)
 
 static irqreturn_t
-s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
+s3c2410_dma_irq(int irq, void *devpw)
 {
 	struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw;
 	struct s3c2410_dma_buf  *buf;
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index 3e9f346..683b349 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -480,8 +480,7 @@
 
 /* irq demux for adc */
 static void s3c_irq_demux_adc(unsigned int irq,
-			      struct irqdesc *desc,
-			      struct pt_regs *regs)
+			      struct irqdesc *desc)
 {
 	unsigned int subsrc, submsk;
 	unsigned int offset = 9;
@@ -500,17 +499,16 @@
 	if (subsrc != 0) {
 		if (subsrc & 1) {
 			mydesc = irq_desc + IRQ_TC;
-			desc_handle_irq(IRQ_TC, mydesc, regs);
+			desc_handle_irq(IRQ_TC, mydesc);
 		}
 		if (subsrc & 2) {
 			mydesc = irq_desc + IRQ_ADC;
-			desc_handle_irq(IRQ_ADC, mydesc, regs);
+			desc_handle_irq(IRQ_ADC, mydesc);
 		}
 	}
 }
 
-static void s3c_irq_demux_uart(unsigned int start,
-			       struct pt_regs *regs)
+static void s3c_irq_demux_uart(unsigned int start)
 {
 	unsigned int subsrc, submsk;
 	unsigned int offset = start - IRQ_S3CUART_RX0;
@@ -533,17 +531,17 @@
 		desc = irq_desc + start;
 
 		if (subsrc & 1)
-			desc_handle_irq(start, desc, regs);
+			desc_handle_irq(start, desc);
 
 		desc++;
 
 		if (subsrc & 2)
-			desc_handle_irq(start+1, desc, regs);
+			desc_handle_irq(start+1, desc);
 
 		desc++;
 
 		if (subsrc & 4)
-			desc_handle_irq(start+2, desc, regs);
+			desc_handle_irq(start+2, desc);
 	}
 }
 
@@ -551,35 +549,31 @@
 
 static void
 s3c_irq_demux_uart0(unsigned int irq,
-		    struct irqdesc *desc,
-		    struct pt_regs *regs)
+		    struct irqdesc *desc)
 {
 	irq = irq;
-	s3c_irq_demux_uart(IRQ_S3CUART_RX0, regs);
+	s3c_irq_demux_uart(IRQ_S3CUART_RX0);
 }
 
 static void
 s3c_irq_demux_uart1(unsigned int irq,
-		    struct irqdesc *desc,
-		    struct pt_regs *regs)
+		    struct irqdesc *desc)
 {
 	irq = irq;
-	s3c_irq_demux_uart(IRQ_S3CUART_RX1, regs);
+	s3c_irq_demux_uart(IRQ_S3CUART_RX1);
 }
 
 static void
 s3c_irq_demux_uart2(unsigned int irq,
-		    struct irqdesc *desc,
-		    struct pt_regs *regs)
+		    struct irqdesc *desc)
 {
 	irq = irq;
-	s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs);
+	s3c_irq_demux_uart(IRQ_S3CUART_RX2);
 }
 
 static void
 s3c_irq_demux_extint8(unsigned int irq,
-		      struct irqdesc *desc,
-		      struct pt_regs *regs)
+		      struct irqdesc *desc)
 {
 	unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
 	unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
@@ -594,15 +588,14 @@
 		eintpnd &= ~(1<<irq);
 
 		irq += (IRQ_EINT4 - 4);
-		desc_handle_irq(irq, irq_desc + irq, regs);
+		desc_handle_irq(irq, irq_desc + irq);
 	}
 
 }
 
 static void
 s3c_irq_demux_extint4t7(unsigned int irq,
-			struct irqdesc *desc,
-			struct pt_regs *regs)
+			struct irqdesc *desc)
 {
 	unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
 	unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
@@ -618,7 +611,7 @@
 
 		irq += (IRQ_EINT4 - 4);
 
-		desc_handle_irq(irq, irq_desc + irq, regs);
+		desc_handle_irq(irq, irq_desc + irq);
 	}
 }
 
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index ba5109a..817e2c6 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -226,7 +226,7 @@
 #endif
 
 static irqreturn_t
-amlm5900_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
+amlm5900_wake_interrupt(int irq, void *ignored)
 {
 	return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-s3c2410/s3c2440-irq.c b/arch/arm/mach-s3c2410/s3c2440-irq.c
index fc08feb..39db075 100644
--- a/arch/arm/mach-s3c2410/s3c2440-irq.c
+++ b/arch/arm/mach-s3c2410/s3c2440-irq.c
@@ -42,8 +42,7 @@
 /* WDT/AC97 */
 
 static void s3c_irq_demux_wdtac97(unsigned int irq,
-				  struct irqdesc *desc,
-				  struct pt_regs *regs)
+				  struct irqdesc *desc)
 {
 	unsigned int subsrc, submsk;
 	struct irqdesc *mydesc;
@@ -61,11 +60,11 @@
 	if (subsrc != 0) {
 		if (subsrc & 1) {
 			mydesc = irq_desc + IRQ_S3C2440_WDT;
-			desc_handle_irq(IRQ_S3C2440_WDT, mydesc, regs);
+			desc_handle_irq(IRQ_S3C2440_WDT, mydesc);
 		}
 		if (subsrc & 2) {
 			mydesc = irq_desc + IRQ_S3C2440_AC97;
-			desc_handle_irq(IRQ_S3C2440_AC97, mydesc, regs);
+			desc_handle_irq(IRQ_S3C2440_AC97, mydesc);
 		}
 	}
 }
diff --git a/arch/arm/mach-s3c2410/s3c244x-irq.c b/arch/arm/mach-s3c2410/s3c244x-irq.c
index ec702f8..146f210 100644
--- a/arch/arm/mach-s3c2410/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2410/s3c244x-irq.c
@@ -42,8 +42,7 @@
 /* camera irq */
 
 static void s3c_irq_demux_cam(unsigned int irq,
-			      struct irqdesc *desc,
-			      struct pt_regs *regs)
+			      struct irqdesc *desc)
 {
 	unsigned int subsrc, submsk;
 	struct irqdesc *mydesc;
@@ -61,11 +60,11 @@
 	if (subsrc != 0) {
 		if (subsrc & 1) {
 			mydesc = irq_desc + IRQ_S3C2440_CAM_C;
-			desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc, regs);
+			desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc);
 		}
 		if (subsrc & 2) {
 			mydesc = irq_desc + IRQ_S3C2440_CAM_P;
-			desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc, regs);
+			desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc);
 		}
 	}
 }
diff --git a/arch/arm/mach-s3c2410/time.c b/arch/arm/mach-s3c2410/time.c
index 00d1cfc..9910bf0 100644
--- a/arch/arm/mach-s3c2410/time.c
+++ b/arch/arm/mach-s3c2410/time.c
@@ -128,10 +128,10 @@
  * IRQ handler for the timer
  */
 static irqreturn_t
-s3c2410_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+s3c2410_timer_interrupt(int irq, void *dev_id)
 {
 	write_seqlock(&xtime_lock);
-	timer_tick(regs);
+	timer_tick();
 	write_sequnlock(&xtime_lock);
 	return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index c635efa..22b0e1c 100644
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -58,7 +58,7 @@
 }
 
 static irqreturn_t
-usb_simtec_ocirq(int irq, void *pw, struct pt_regs *regs)
+usb_simtec_ocirq(int irq, void *pw)
 {
 	struct s3c2410_hcd_info *info = (struct s3c2410_hcd_info *)pw;