4 files changed, 17 insertions, 12 deletions
diff --git a/arch/sh64/kernel/irq.c b/arch/sh64/kernel/irq.c
index f68b4f6c9b3..9412b716670 100644
--- a/arch/sh64/kernel/irq.c
+++ b/arch/sh64/kernel/irq.c
@@ -94,6 +94,7 @@ asmlinkage void do_NMI(unsigned long vector_num, struct pt_regs * regs)
  */
 asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
 {
+	struct pt_regs *old_regs = set_irq_regs(regs);
 	int irq;
 
 	irq_enter();
@@ -101,13 +102,14 @@ asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
 	irq = irq_demux(vector_num);
 
 	if (irq >= 0) {
-		__do_IRQ(irq, regs);
+		__do_IRQ(irq);
 	} else {
 		printk("unexpected IRQ trap at vector %03lx\n", vector_num);
 	}
 
 	irq_exit();
 
+	set_irq_regs(old_regs);
 	return 1;
 }
 
diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh64/kernel/pci_sh5.c
index 649b3366774..fb51660847c 100644
--- a/arch/sh64/kernel/pci_sh5.c
+++ b/arch/sh64/kernel/pci_sh5.c
@@ -340,8 +340,9 @@ static int __init map_cayman_irq(struct pci_dev *dev, u8 slot, u8 pin)
 	return result;
 }
 
-irqreturn_t pcish5_err_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pcish5_err_irq(int irq, void *dev_id)
 {
+	struct pt_regs *regs = get_irq_regs();
 	unsigned pci_int, pci_air, pci_cir, pci_aint;
 
 	pci_int = SH5PCI_READ(INT);
@@ -368,7 +369,7 @@ irqreturn_t pcish5_err_irq(int irq, void *dev_id, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-irqreturn_t pcish5_serr_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pcish5_serr_irq(int irq, void *dev_id)
 {
 	printk("SERR IRQ\n");
 
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index bad0f05d1ab..b37f4f4981d 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -282,7 +282,7 @@ static long last_rtc_update = 0;
  * timer_interrupt() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick
  */
-static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
+static inline void do_timer_interrupt(void)
 {
 	unsigned long long current_ctc;
 	asm ("getcon cr62, %0" : "=r" (current_ctc));
@@ -290,9 +290,10 @@ static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
 
 	do_timer(1);
 #ifndef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
-	profile_tick(CPU_PROFILING, regs);
+	if (current->pid)
+		profile_tick(CPU_PROFILING);
 
 #ifdef CONFIG_HEARTBEAT
 	{
@@ -323,7 +324,7 @@ static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
  * Time Stamp Counter value at the time of the timer interrupt, so that
  * we later on can estimate the time of day more exactly.
  */
-static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
 	unsigned long timer_status;
 
@@ -340,7 +341,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	 * locally disabled. -arca
 	 */
 	write_lock(&xtime_lock);
-	do_timer_interrupt(irq, regs);
+	do_timer_interrupt();
 	write_unlock(&xtime_lock);
 
 	return IRQ_HANDLED;
@@ -465,9 +466,10 @@ static __init unsigned int get_cpu_hz(void)
 #endif
 }
 
-static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id,
-				      struct pt_regs *regs)
+static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id)
 {
+	struct pt_regs *regs = get_irq_regs();
+
 	ctrl_outb(0, RCR1);	/* Disable Carry Interrupts */
 	regs->regs[3] = 1;	/* Using r3 */
 
diff --git a/arch/sh64/mach-cayman/irq.c b/arch/sh64/mach-cayman/irq.c
index 228ce61c351..aaad36d37d1 100644
--- a/arch/sh64/mach-cayman/irq.c
+++ b/arch/sh64/mach-cayman/irq.c
@@ -29,13 +29,13 @@ unsigned long epld_virt;
 /* Note the SMSC SuperIO chip and SMSC LAN chip interrupts are all muxed onto
    the same SH-5 interrupt */
 
-static irqreturn_t cayman_interrupt_smsc(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cayman_interrupt_smsc(int irq, void *dev_id)
 {
         printk(KERN_INFO "CAYMAN: spurious SMSC interrupt\n");
 	return IRQ_NONE;
 }
 
-static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id)
 {
         printk(KERN_INFO "CAYMAN: spurious PCI interrupt, IRQ %d\n", irq);
 	return IRQ_NONE;