1 --- a/arch/mips/kernel/traps.c
2 +++ b/arch/mips/kernel/traps.c
4 #include <asm/mmu_context.h>
6 #include <asm/stacktrace.h>
9 extern void check_wait(void);
10 extern asmlinkage void r4k_wait(void);
11 @@ -1514,6 +1515,8 @@ void __cpuinit per_cpu_trap_init(void)
13 if (cpu_has_mips_r2) {
14 cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
15 + if (get_c0_compare_irq)
16 + cp0_compare_irq = get_c0_compare_irq();
17 cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
18 if (cp0_perfcount_irq == cp0_compare_irq)
19 cp0_perfcount_irq = -1;
20 --- a/arch/mips/include/asm/time.h
21 +++ b/arch/mips/include/asm/time.h
22 @@ -53,6 +53,7 @@ extern int (*perf_irq)(void);
23 #ifdef CONFIG_CEVT_R4K
24 extern int mips_clockevent_init(void);
25 extern unsigned int __weak get_c0_compare_int(void);
26 +extern unsigned int __weak get_c0_compare_irq(void);
28 static inline int mips_clockevent_init(void)
30 --- a/arch/mips/atheros/board.c
31 +++ b/arch/mips/atheros/board.c
32 @@ -265,6 +265,11 @@ void (*board_time_init)(void);
33 void __init plat_time_init(void) {
37 +unsigned int __cpuinit get_c0_compare_irq(void)
39 + return CP0_LEGACY_COMPARE_IRQ;
43 void __init arch_init_irq(void)