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-rw-r--r--arch/mips/kernel/irq.c4
-rw-r--r--arch/mips/kernel/time.c24
-rw-r--r--arch/mips/sgi-ip22/ip22-reset.c2
-rw-r--r--arch/mips/sgi-ip22/ip22-time.c4
4 files changed, 21 insertions, 13 deletions
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index d955aaefbb8e..a00b0e7ab9b1 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -55,13 +55,15 @@ unsigned long irq_hwmask[NR_IRQS];
*/
asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
irq_enter();
__DO_IRQ_SMTC_HOOK();
- __do_IRQ(irq, regs);
+ __do_IRQ(irq);
irq_exit();
+ set_irq_regs(old_regs);
return 1;
}
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index a8340802f2d7..d349eb9e4ffb 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -322,18 +322,18 @@ static long last_rtc_update;
* a broadcasted inter-processor interrupt which itself is triggered
* by the global timer interrupt.
*/
-void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+void local_timer_interrupt(int irq, void *dev_id)
{
if (current->pid)
- profile_tick(CPU_PROFILING, regs);
- update_process_times(user_mode(regs));
+ profile_tick(CPU_PROFILING);
+ update_process_times(user_mode(get_irq_regs()));
}
/*
* High-level timer interrupt service routines. This function
* is set as irqaction->handler and is invoked through do_IRQ.
*/
-irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t timer_interrupt(int irq, void *dev_id)
{
unsigned long j;
unsigned int count;
@@ -419,23 +419,24 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* In SMP mode, local_timer_interrupt() is invoked by appropriate
* low-level local timer interrupt handler.
*/
- local_timer_interrupt(irq, dev_id, regs);
+ local_timer_interrupt(irq, dev_id);
return IRQ_HANDLED;
}
-int null_perf_irq(struct pt_regs *regs)
+int null_perf_irq(void)
{
return 0;
}
-int (*perf_irq)(struct pt_regs *regs) = null_perf_irq;
+int (*perf_irq)(void) = null_perf_irq;
EXPORT_SYMBOL(null_perf_irq);
EXPORT_SYMBOL(perf_irq);
asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
int r2 = cpu_has_mips_r2;
irq_enter();
@@ -448,27 +449,30 @@ asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs)
* performance counter interrupt handler anyway.
*/
if (!r2 || (read_c0_cause() & (1 << 26)))
- if (perf_irq(regs))
+ if (perf_irq())
goto out;
/* we keep interrupt disabled all the time */
if (!r2 || (read_c0_cause() & (1 << 30)))
- timer_interrupt(irq, NULL, regs);
+ timer_interrupt(irq, NULL);
out:
irq_exit();
+ set_irq_regs(old_regs);
}
asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
irq_enter();
if (smp_processor_id() != 0)
kstat_this_cpu.irqs[irq]++;
/* we keep interrupt disabled all the time */
- local_timer_interrupt(irq, NULL, regs);
+ local_timer_interrupt(irq, NULL);
irq_exit();
+ set_irq_regs(old_regs);
}
/*
diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index 7a941ecff3bb..66df5ac8f089 100644
--- a/arch/mips/sgi-ip22/ip22-reset.c
+++ b/arch/mips/sgi-ip22/ip22-reset.c
@@ -169,7 +169,7 @@ static inline void volume_down_button(unsigned long data)
}
}
-static irqreturn_t panel_int(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t panel_int(int irq, void *dev_id)
{
unsigned int buttons;
diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c
index 0e061890f797..3462b0d98def 100644
--- a/arch/mips/sgi-ip22/ip22-time.c
+++ b/arch/mips/sgi-ip22/ip22-time.c
@@ -191,12 +191,14 @@ void indy_8254timer_irq(struct pt_regs *regs)
void indy_r4k_timer_interrupt(struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
int irq = SGI_TIMER_IRQ;
irq_enter();
kstat_this_cpu.irqs[irq]++;
- timer_interrupt(irq, NULL, regs);
+ timer_interrupt(irq, NULL);
irq_exit();
+ set_irq_regs(old_regs);
}
void __init plat_timer_setup(struct irqaction *irq)