diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2006-06-16 19:10:49 +0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-19 20:39:17 +0400 |
commit | 3c0094426f3ff37697062b940211712746419688 (patch) | |
tree | 9cf7f61829a9ac03294bc04e9b00257a17c2d2d9 /arch/mips | |
parent | 0307e8d024dffc00743fb54b9afa920a346f1adb (diff) | |
download | linux-3c0094426f3ff37697062b940211712746419688.tar.xz |
[MIPS] IP27: Fix collision with hardcoded interrupt number.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/sgi-ip27/ip27-irq.c | 2 | ||||
-rw-r--r-- | arch/mips/sgi-ip27/ip27-timer.c | 61 |
2 files changed, 60 insertions, 3 deletions
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 2e643d2f51cb..0b61a39ce2bb 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -360,7 +360,7 @@ static struct hw_interrupt_type bridge_irq_type = { static unsigned long irq_map[NR_IRQS / BITS_PER_LONG]; -static int allocate_irqno(void) +int allocate_irqno(void) { int irq; diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 36b662e27b6e..1fb860c7ac6d 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -89,11 +89,13 @@ static int set_rtc_mmss(unsigned long nowtime) } #endif +static unsigned int rt_timer_irq; + void ip27_rt_timer_interrupt(struct pt_regs *regs) { int cpu = smp_processor_id(); int cpuA = cputoslice(cpu) == 0; - int irq = 9; /* XXX Assign number */ + unsigned int irq = rt_timer_irq; irq_enter(); write_seqlock(&xtime_lock); @@ -179,13 +181,68 @@ static __init unsigned long get_m48t35_time(void) return mktime(year, month, date, hour, min, sec); } +static void startup_rt_irq(unsigned int irq) +{ +} + +static void shutdown_rt_irq(unsigned int irq) +{ +} + +static void enable_rt_irq(unsigned int irq) +{ +} + +static void disable_rt_irq(unsigned int irq) +{ +} + +static void mask_and_ack_rt(unsigned int irq) +{ +} + +static void end_rt_irq(unsigned int irq) +{ +} + +static struct hw_interrupt_type rt_irq_type = { + .typename = "SN HUB RT timer", + .startup = startup_rt_irq, + .shutdown = shutdown_rt_irq, + .enable = enable_rt_irq, + .disable = disable_rt_irq, + .ack = mask_and_ack_rt, + .end = end_rt_irq, +}; + +static struct irqaction rt_irqaction = { + .handler = ip27_rt_timer_interrupt, + .flags = SA_INTERRUPT, + .mask = CPU_MASK_NONE, + .name = "timer" +}; + +extern int allocate_irqno(void); + static void ip27_timer_setup(struct irqaction *irq) { + int irqno = allocate_irqno(); + + if (irqno < 0) + panic("Can't allocate interrupt number for timer interrupt"); + + irq_desc[irqno].status = IRQ_DISABLED; + irq_desc[irqno].action = NULL; + irq_desc[irqno].depth = 1; + irq_desc[irqno].handler = &rt_irq_type; + /* over-write the handler, we use our own way */ irq->handler = no_action; /* setup irqaction */ -// setup_irq(IP27_TIMER_IRQ, irq); /* XXX Can't do this yet. */ + irq_desc[irqno].status |= IRQ_PER_CPU; + + rt_timer_irq = irqno; } void __init ip27_time_init(void) |