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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-10-29 00:02:37 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-29 20:35:35 +0100 |
| commit | 725d7b36c3287217e14cea6fec6c0b897f500a10 (patch) | |
| tree | d3c0cac39d4529095f9b98064ed631a2c924917d /arch/mips/sgi-ip27/ip27-timer.c | |
| parent | [MIPS] SNI: Convert a20r timer to clockevent device. (diff) | |
| download | linux-725d7b36c3287217e14cea6fec6c0b897f500a10.tar.xz linux-725d7b36c3287217e14cea6fec6c0b897f500a10.zip | |
[MIPS] IP27: Fix slice logic to work for arbitrary number of slices.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sgi-ip27/ip27-timer.c')
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-timer.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index f5dccf01da11..dc59c3b708ed 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -131,12 +131,12 @@ static struct irq_chip rt_irq_type = { static int rt_next_event(unsigned long delta, struct clock_event_device *evt) { unsigned int cpu = smp_processor_id(); - int slice = cputoslice(cpu) == 0; + int slice putoslice(cpu); unsigned long cnt; cnt = LOCAL_HUB_L(PI_RT_COUNT); cnt += delta; - LOCAL_HUB_S(slice ? PI_RT_COMPARE_A : PI_RT_COMPARE_B, cnt); + LOCAL_HUB_S(PI_RT_COMPARE_A + PI_COUNT_OFFSET * slice, cnt); return LOCAL_HUB_L(PI_RT_COUNT) >= cnt ? -ETIME : 0; } @@ -164,9 +164,12 @@ static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id) { struct clock_event_device *cd = dev_id; unsigned int cpu = smp_processor_id(); - int slice = cputoslice(cpu) == 0; + int slice = cputoslice(cpu); - LOCAL_HUB_S(slice ? PI_RT_PEND_A : PI_RT_PEND_B, 0); /* Ack */ + /* + * Ack + */ + LOCAL_HUB_S(PI_RT_PEND_A + PI_COUNT_OFFSET * slice, cnt); cd->event_handler(cd); return IRQ_HANDLED; |