diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
commit | 0ada0a73120c28cc432bcdbac061781465c2f48f (patch) | |
tree | d17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/powerpc/sysdev/mpic.c | |
parent | 6016a363f6b56b46b24655bcfc0499b715851cf3 (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) |
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 30c44e6b041..470dc6c11d5 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -567,13 +567,11 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) #endif /* CONFIG_MPIC_U3_HT_IRQS */ #ifdef CONFIG_SMP -static int irq_choose_cpu(unsigned int virt_irq) +static int irq_choose_cpu(const cpumask_t *mask) { - cpumask_t mask; int cpuid; - cpumask_copy(&mask, irq_desc[virt_irq].affinity); - if (cpus_equal(mask, CPU_MASK_ALL)) { + if (cpumask_equal(mask, cpu_all_mask)) { static int irq_rover; static DEFINE_SPINLOCK(irq_rover_lock); unsigned long flags; @@ -594,20 +592,15 @@ static int irq_choose_cpu(unsigned int virt_irq) spin_unlock_irqrestore(&irq_rover_lock, flags); } else { - cpumask_t tmp; - - cpus_and(tmp, cpu_online_map, mask); - - if (cpus_empty(tmp)) + cpuid = cpumask_first_and(mask, cpu_online_mask); + if (cpuid >= nr_cpu_ids) goto do_round_robin; - - cpuid = first_cpu(tmp); } return get_hard_smp_processor_id(cpuid); } #else -static int irq_choose_cpu(unsigned int virt_irq) +static int irq_choose_cpu(const cpumask_t *mask) { return hard_smp_processor_id(); } @@ -621,7 +614,7 @@ static struct mpic *mpic_find(unsigned int irq) if (irq < NUM_ISA_INTERRUPTS) return NULL; - return irq_desc[irq].chip_data; + return irq_to_desc(irq)->chip_data; } /* Determine if the linux irq is an IPI */ @@ -648,14 +641,14 @@ static inline u32 mpic_physmask(u32 cpumask) /* Get the mpic structure from the IPI number */ static inline struct mpic * mpic_from_ipi(unsigned int ipi) { - return irq_desc[ipi].chip_data; + return irq_to_desc(ipi)->chip_data; } #endif /* Get the mpic structure from the irq number */ static inline struct mpic * mpic_from_irq(unsigned int irq) { - return irq_desc[irq].chip_data; + return irq_to_desc(irq)->chip_data; } /* Send an EOI */ @@ -735,7 +728,7 @@ static void mpic_unmask_ht_irq(unsigned int irq) mpic_unmask_irq(irq); - if (irq_desc[irq].status & IRQ_LEVEL) + if (irq_to_desc(irq)->status & IRQ_LEVEL) mpic_ht_end_irq(mpic, src); } @@ -745,7 +738,7 @@ static unsigned int mpic_startup_ht_irq(unsigned int irq) unsigned int src = mpic_irq_to_hw(irq); mpic_unmask_irq(irq); - mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status); + mpic_startup_ht_interrupt(mpic, src, irq_to_desc(irq)->status); return 0; } @@ -755,7 +748,7 @@ static void mpic_shutdown_ht_irq(unsigned int irq) struct mpic *mpic = mpic_from_irq(irq); unsigned int src = mpic_irq_to_hw(irq); - mpic_shutdown_ht_interrupt(mpic, src, irq_desc[irq].status); + mpic_shutdown_ht_interrupt(mpic, src, irq_to_desc(irq)->status); mpic_mask_irq(irq); } @@ -772,7 +765,7 @@ static void mpic_end_ht_irq(unsigned int irq) * latched another edge interrupt coming in anyway */ - if (irq_desc[irq].status & IRQ_LEVEL) + if (irq_to_desc(irq)->status & IRQ_LEVEL) mpic_ht_end_irq(mpic, src); mpic_eoi(mpic); } @@ -816,7 +809,7 @@ int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask) unsigned int src = mpic_irq_to_hw(irq); if (mpic->flags & MPIC_SINGLE_DEST_CPU) { - int cpuid = irq_choose_cpu(irq); + int cpuid = irq_choose_cpu(cpumask); mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid); } else { @@ -856,7 +849,7 @@ int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct mpic *mpic = mpic_from_irq(virq); unsigned int src = mpic_irq_to_hw(virq); - struct irq_desc *desc = get_irq_desc(virq); + struct irq_desc *desc = irq_to_desc(virq); unsigned int vecpri, vold, vnew; DBG("mpic: set_irq_type(mpic:@%p,virq:%d,src:0x%x,type:0x%x)\n", @@ -994,7 +987,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, } static int mpic_host_xlate(struct irq_host *h, struct device_node *ct, - u32 *intspec, unsigned int intsize, + const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { @@ -1062,19 +1055,19 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->name = name; mpic->hc_irq = mpic_irq_chip; - mpic->hc_irq.typename = name; + mpic->hc_irq.name = name; if (flags & MPIC_PRIMARY) mpic->hc_irq.set_affinity = mpic_set_affinity; #ifdef CONFIG_MPIC_U3_HT_IRQS mpic->hc_ht_irq = mpic_irq_ht_chip; - mpic->hc_ht_irq.typename = name; + mpic->hc_ht_irq.name = name; if (flags & MPIC_PRIMARY) mpic->hc_ht_irq.set_affinity = mpic_set_affinity; #endif /* CONFIG_MPIC_U3_HT_IRQS */ #ifdef CONFIG_SMP mpic->hc_ipi = mpic_ipi_chip; - mpic->hc_ipi.typename = name; + mpic->hc_ipi.name = name; #endif /* CONFIG_SMP */ mpic->flags = flags; |