2010-03-11 20:25:50 +08:00
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--- a/arch/mips/kernel/traps.c
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+++ b/arch/mips/kernel/traps.c
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@@ -51,6 +51,7 @@
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#include <asm/stacktrace.h>
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#include <asm/irq.h>
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#include <asm/uasm.h>
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+#include <asm/time.h>
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extern void check_wait(void);
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extern asmlinkage void r4k_wait(void);
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2010-04-22 15:13:21 +08:00
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@@ -1501,6 +1502,8 @@ void __cpuinit per_cpu_trap_init(void)
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2010-03-11 20:25:50 +08:00
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if (cpu_has_mips_r2) {
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cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
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cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
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+ if (get_c0_compare_irq)
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+ cp0_compare_irq = get_c0_compare_irq();
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cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
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if (cp0_perfcount_irq == cp0_compare_irq)
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cp0_perfcount_irq = -1;
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--- a/arch/mips/include/asm/time.h
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+++ b/arch/mips/include/asm/time.h
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@@ -52,6 +52,7 @@ extern int (*perf_irq)(void);
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*/
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#ifdef CONFIG_CEVT_R4K_LIB
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extern unsigned int __weak get_c0_compare_int(void);
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+extern unsigned int __weak get_c0_compare_irq(void);
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extern int r4k_clockevent_init(void);
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#endif
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