43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
--- a/arch/mips/kernel/traps.c
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+++ b/arch/mips/kernel/traps.c
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@@ -45,6 +45,7 @@
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#include <asm/mmu_context.h>
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#include <asm/types.h>
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#include <asm/stacktrace.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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@@ -1484,6 +1485,8 @@ void __cpuinit per_cpu_trap_init(void)
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*/
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if (cpu_has_mips_r2) {
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cp0_compare_irq = (read_c0_intctl() >> 29) & 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() >> 26) & 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/include/asm-mips/time.h
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+++ b/include/asm-mips/time.h
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@@ -53,6 +53,7 @@ extern int (*perf_irq)(void);
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#ifdef CONFIG_CEVT_R4K
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extern int mips_clockevent_init(void);
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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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#else
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static inline int mips_clockevent_init(void)
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{
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--- a/arch/mips/atheros/board.c
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+++ b/arch/mips/atheros/board.c
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@@ -205,6 +205,11 @@ void (*board_time_init)(void);
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void __init plat_time_init(void) {
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board_time_init();
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}
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+
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+unsigned int __cpuinit get_c0_compare_irq(void)
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+{
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+ return CP0_LEGACY_COMPARE_IRQ;
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+}
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#endif
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void __init arch_init_irq(void)
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