diff options
-rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 106 | ||||
-rw-r--r-- | include/linux/irq.h | 4 |
2 files changed, 1 insertions, 109 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index be3b5741badb..efda2f648f59 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -281,18 +281,6 @@ static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node) return cfg; } -static int alloc_irqs_from(unsigned int from, unsigned int count, int node) -{ - return irq_alloc_descs_from(from, count, node); -} - -static void free_irq_at(unsigned int at, struct irq_cfg *cfg) -{ - free_irq_cfg(at, cfg); - irq_free_desc(at); -} - - struct io_apic { unsigned int index; unsigned int unused[3]; @@ -2916,100 +2904,8 @@ static int __init ioapic_init_ops(void) device_initcall(ioapic_init_ops); /* - * Dynamic irq allocate and deallocation + * Dynamic irq allocate and deallocation. Should be replaced by irq domains! */ -unsigned int __create_irqs(unsigned int from, unsigned int count, int node) -{ - struct irq_cfg **cfg; - unsigned long flags; - int irq, i; - - if (from < nr_irqs_gsi) - from = nr_irqs_gsi; - - cfg = kzalloc_node(count * sizeof(cfg[0]), GFP_KERNEL, node); - if (!cfg) - return 0; - - irq = alloc_irqs_from(from, count, node); - if (irq < 0) - goto out_cfgs; - - for (i = 0; i < count; i++) { - cfg[i] = alloc_irq_cfg(irq + i, node); - if (!cfg[i]) - goto out_irqs; - } - - raw_spin_lock_irqsave(&vector_lock, flags); - for (i = 0; i < count; i++) - if (__assign_irq_vector(irq + i, cfg[i], apic->target_cpus())) - goto out_vecs; - raw_spin_unlock_irqrestore(&vector_lock, flags); - - for (i = 0; i < count; i++) { - irq_set_chip_data(irq + i, cfg[i]); - irq_clear_status_flags(irq + i, IRQ_NOREQUEST); - } - - kfree(cfg); - return irq; - -out_vecs: - for (i--; i >= 0; i--) - __clear_irq_vector(irq + i, cfg[i]); - raw_spin_unlock_irqrestore(&vector_lock, flags); -out_irqs: - for (i = 0; i < count; i++) - free_irq_at(irq + i, cfg[i]); -out_cfgs: - kfree(cfg); - return 0; -} - -unsigned int create_irq_nr(unsigned int from, int node) -{ - return __create_irqs(from, 1, node); -} - -int create_irq(void) -{ - int node = cpu_to_node(0); - unsigned int irq_want; - int irq; - - irq_want = nr_irqs_gsi; - irq = create_irq_nr(irq_want, node); - - if (irq == 0) - irq = -1; - - return irq; -} - -void destroy_irq(unsigned int irq) -{ - struct irq_cfg *cfg = irq_get_chip_data(irq); - unsigned long flags; - - irq_set_status_flags(irq, IRQ_NOREQUEST|IRQ_NOPROBE); - - free_remapped_irq(irq); - - raw_spin_lock_irqsave(&vector_lock, flags); - __clear_irq_vector(irq, cfg); - raw_spin_unlock_irqrestore(&vector_lock, flags); - free_irq_at(irq, cfg); -} - -void destroy_irqs(unsigned int irq, unsigned int count) -{ - unsigned int i; - - for (i = 0; i < count; i++) - destroy_irq(irq + i); -} - int arch_setup_hwirq(unsigned int irq, int node) { struct irq_cfg *cfg; diff --git a/include/linux/irq.h b/include/linux/irq.h index c75dd161d37f..7549ed59d3d4 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -526,12 +526,8 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq) } /* Handle dynamic irq creation and destruction */ -extern unsigned int create_irq_nr(unsigned int irq_want, int node); -extern unsigned int __create_irqs(unsigned int from, unsigned int count, - int node); extern int create_irq(void); extern void destroy_irq(unsigned int irq); -extern void destroy_irqs(unsigned int irq, unsigned int count); /* * Dynamic irq helper functions. Obsolete. Use irq_alloc_desc* and |