diff options
| author | Chris Dearman <chris@mips.com> | 2007-06-21 13:59:57 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-06 17:17:11 +0200 |
| commit | c3e838a2cbb0f14af4d718160933523ac4c37adf (patch) | |
| tree | 37f41332212861826d18aff9c373846d31a93174 /arch/mips/kernel/traps.c | |
| parent | [MIPS] AP/SP: Avoid triggering the 34K E125 performance issue (diff) | |
| download | linux-c3e838a2cbb0f14af4d718160933523ac4c37adf.tar.xz linux-c3e838a2cbb0f14af4d718160933523ac4c37adf.zip | |
[MIPS] Fix timer/performance interrupt detection
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b1233644fcca..3ea7863c4519 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1372,12 +1372,12 @@ void __init per_cpu_trap_init(void) */ if (cpu_has_mips_r2) { cp0_compare_irq = (read_c0_intctl () >> 29) & 7; - cp0_perfcount_irq = -1; - } else { - cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; cp0_perfcount_irq = (read_c0_intctl () >> 26) & 7; - if (cp0_perfcount_irq != cp0_compare_irq) + if (cp0_perfcount_irq == cp0_compare_irq) cp0_perfcount_irq = -1; + } else { + cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; + cp0_perfcount_irq = -1; } #ifdef CONFIG_MIPS_MT_SMTC |