target/linux/ramips/patches-3.8/001-mips-add-cp0-compare-irq-function.patch

   1 --- a/arch/mips/kernel/traps.c
   2 +++ b/arch/mips/kernel/traps.c
   3 @@ -55,6 +55,7 @@
   4  #include <asm/types.h>
   5  #include <asm/stacktrace.h>
   6  #include <asm/uasm.h>
   7 +#include <asm/time.h>
   8
   9  extern void check_wait(void);
  10  extern asmlinkage void r4k_wait(void);
  11 @@ -1617,6 +1618,8 @@ void __cpuinit per_cpu_trap_init(bool is
  12         if (cpu_has_mips_r2) {
  13                 cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
  14                 cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
  15 +               if (get_c0_compare_irq)
  16 +                       cp0_compare_irq = get_c0_compare_irq();
  17                 cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 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 @@ -51,6 +51,7 @@ extern int (*perf_irq)(void);
  23   * Initialize the calling CPU's compare interrupt as clockevent device
  24   */
  25  extern unsigned int __weak get_c0_compare_int(void);
  26 +extern unsigned int __weak get_c0_compare_irq(void);
  27  extern int r4k_clockevent_init(void);
  28
  29  static inline int mips_clockevent_init(void)