diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-28 15:59:43 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-28 15:59:43 -0500 |
commit | d4d37bde3d036cfce240c12144ea9e80ce3ee5d0 (patch) | |
tree | 858277db13a3b6a0522ee58c2e1e13fefb4f90f2 /arch/mips/kernel/traps.c | |
parent | 551e28dbe82f9de58993d7587201a2569b942341 (diff) | |
parent | 010c108d7af708d9e09b83724a058a76803fbc66 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: PowerTV: Fix support for timer interrupts with > 64 external IRQs
MIPS: PowerTV: Streamline access to platform device registers
MIPS: Fix vmlinuz build for 32bit-only math shells
MIPS: Add support of LZO-compressed kernels
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r-- | arch/mips/kernel/traps.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 308e43460864..338dfe8ed002 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c | |||
@@ -1403,6 +1403,7 @@ extern void flush_tlb_handlers(void); | |||
1403 | * Timer interrupt | 1403 | * Timer interrupt |
1404 | */ | 1404 | */ |
1405 | int cp0_compare_irq; | 1405 | int cp0_compare_irq; |
1406 | int cp0_compare_irq_shift; | ||
1406 | 1407 | ||
1407 | /* | 1408 | /* |
1408 | * Performance counter IRQ or -1 if shared with timer | 1409 | * Performance counter IRQ or -1 if shared with timer |
@@ -1493,8 +1494,9 @@ void __cpuinit per_cpu_trap_init(void) | |||
1493 | * o read IntCtl.IPPCI to determine the performance counter interrupt | 1494 | * o read IntCtl.IPPCI to determine the performance counter interrupt |
1494 | */ | 1495 | */ |
1495 | if (cpu_has_mips_r2) { | 1496 | if (cpu_has_mips_r2) { |
1496 | cp0_compare_irq = (read_c0_intctl() >> 29) & 7; | 1497 | cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP; |
1497 | cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7; | 1498 | cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7; |
1499 | cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7; | ||
1498 | if (cp0_perfcount_irq == cp0_compare_irq) | 1500 | if (cp0_perfcount_irq == cp0_compare_irq) |
1499 | cp0_perfcount_irq = -1; | 1501 | cp0_perfcount_irq = -1; |
1500 | } else { | 1502 | } else { |