From 725d7b36c3287217e14cea6fec6c0b897f500a10 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sun, 28 Oct 2007 23:02:37 +0000 Subject: [PATCH] [MIPS] IP27: Fix slice logic to work for arbitrary number of slices. Signed-off-by: Ralf Baechle --- arch/mips/sgi-ip27/ip27-timer.c | 11 +++++++---- 1 file 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; -- 2.39.5