diff --git a/arch/sh64/kernel/dma.c b/arch/sh64/kernel/dma.c
index 09cd9f4670b5..32c6f0549bf1 100644
--- a/arch/sh64/kernel/dma.c
+++ b/arch/sh64/kernel/dma.c
@@ -115,7 +115,7 @@ static irqreturn_t dma_mte(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction irq_dmte = {
 	.handler	= dma_mte,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 	.name		= "DMA MTE",
 };
 
@@ -152,7 +152,7 @@ static irqreturn_t dma_err(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction irq_derr = {
 	.handler	= dma_err,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 	.name		= "DMA Error",
 };
 
diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh64/kernel/pci_sh5.c
index 3c04951ff736..9dae689b6a9b 100644
--- a/arch/sh64/kernel/pci_sh5.c
+++ b/arch/sh64/kernel/pci_sh5.c
@@ -473,13 +473,13 @@ static void __init pcibios_size_bridges(void)
 static int __init pcibios_init(void)
 {
         if (request_irq(IRQ_ERR, pcish5_err_irq,
-                        SA_INTERRUPT, "PCI Error",NULL) < 0) {
+                        IRQF_DISABLED, "PCI Error",NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_PERR interrupt\n");
                 return -EINVAL;
         }
 
         if (request_irq(IRQ_SERR, pcish5_serr_irq,
-                        SA_INTERRUPT, "PCI SERR interrupt", NULL) < 0) {
+                        IRQF_DISABLED, "PCI SERR interrupt", NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_SERR interrupt\n");
                 return -EINVAL;
         }
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index ba9eb992f4a5..b8162e59030e 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -484,8 +484,8 @@ static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id,
 	return IRQ_HANDLED;
 }
 
-static struct irqaction irq0  = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL};
-static struct irqaction irq1  = { sh64_rtc_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "rtc", NULL, NULL};
+static struct irqaction irq0  = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL};
+static struct irqaction irq1  = { sh64_rtc_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "rtc", NULL, NULL};
 
 void __init time_init(void)
 {
diff --git a/arch/sh64/mach-cayman/irq.c b/arch/sh64/mach-cayman/irq.c
index cac94219dd5f..228ce61c3515 100644
--- a/arch/sh64/mach-cayman/irq.c
+++ b/arch/sh64/mach-cayman/irq.c
@@ -44,13 +44,13 @@ static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id, struct pt_regs *
 static struct irqaction cayman_action_smsc = {
 	.name		= "Cayman SMSC Mux",
 	.handler	= cayman_interrupt_smsc,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 };
 
 static struct irqaction cayman_action_pci2 = {
 	.name		= "Cayman PCI2 Mux",
 	.handler	= cayman_interrupt_pci2,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 };
 
 static void enable_cayman_irq(unsigned int irq)
diff --git a/include/asm-sh64/keyboard.h b/include/asm-sh64/keyboard.h
index 733e2bbe7b8c..1fab96d792bf 100644
--- a/include/asm-sh64/keyboard.h
+++ b/include/asm-sh64/keyboard.h
@@ -65,7 +65,7 @@ extern unsigned char pckbd_sysrq_xlate[128];
 #endif
 
 #define aux_request_irq(hand, dev_id)					\
-	request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS2 Mouse", dev_id)
+	request_irq(AUX_IRQ, hand, IRQF_SHARED, "PS2 Mouse", dev_id)
 
 #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
 
diff --git a/include/asm-sh64/signal.h b/include/asm-sh64/signal.h
index 2400dc688a65..a5a28203cb3b 100644
--- a/include/asm-sh64/signal.h
+++ b/include/asm-sh64/signal.h
@@ -74,7 +74,6 @@ typedef struct {
  * SA_FLAGS values:
  *
  * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  * SA_RESTART flag to get restarting signals (which were the default long ago)
  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  * SA_RESETHAND clears the handler when the signal is delivered.
@@ -94,7 +93,6 @@ typedef struct {
 
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
-#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER	0x04000000