diff options
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/parisc/include/asm/irq.h | 13 | ||||
| -rw-r--r-- | arch/parisc/kernel/irq.c | 64 |
3 files changed, 42 insertions, 36 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index fed2946f733..fafdf30bea9 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -15,6 +15,7 @@ config PARISC select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE select IRQ_PER_CPU + select GENERIC_HARDIRQS_NO_DEPRECATED help The PA-RISC microprocessor is designed by Hewlett-Packard and used diff --git a/arch/parisc/include/asm/irq.h b/arch/parisc/include/asm/irq.h index c67dccf2e31..1073599a7be 100644 --- a/arch/parisc/include/asm/irq.h +++ b/arch/parisc/include/asm/irq.h @@ -32,15 +32,10 @@ static __inline__ int irq_canonicalize(int irq) } struct irq_chip; +struct irq_data; -/* - * Some useful "we don't have to do anything here" handlers. Should - * probably be provided by the generic code. - */ -void no_ack_irq(unsigned int irq); -void no_end_irq(unsigned int irq); -void cpu_ack_irq(unsigned int irq); -void cpu_eoi_irq(unsigned int irq); +void cpu_ack_irq(struct irq_data *d); +void cpu_eoi_irq(struct irq_data *d); extern int txn_alloc_irq(unsigned int nbits); extern int txn_claim_irq(int); @@ -49,7 +44,7 @@ extern unsigned long txn_alloc_addr(unsigned int); extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); -extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest); +extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest); /* soft power switch support (power.c) */ extern struct tasklet_struct power_tasklet; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 3948f1dd455..cb450e1e79b 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -52,9 +52,9 @@ static volatile unsigned long cpu_eiem = 0; */ static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL; -static void cpu_mask_irq(unsigned int irq) +static void cpu_mask_irq(struct irq_data *d) { - unsigned long eirr_bit = EIEM_MASK(irq); + unsigned long eirr_bit = EIEM_MASK(d->irq); cpu_eiem &= ~eirr_bit; /* Do nothing on the other CPUs. If they get this interrupt, @@ -63,7 +63,7 @@ static void cpu_mask_irq(unsigned int irq) * then gets disabled */ } -static void cpu_unmask_irq(unsigned int irq) +static void __cpu_unmask_irq(unsigned int irq) { unsigned long eirr_bit = EIEM_MASK(irq); @@ -75,9 +75,14 @@ static void cpu_unmask_irq(unsigned int irq) smp_send_all_nop(); } -void cpu_ack_irq(unsigned int irq) +static void cpu_unmask_irq(struct irq_data *d) +{ + __cpu_unmask_irq(d->irq); +} + +void cpu_ack_irq(struct irq_data *d) { - unsigned long mask = EIEM_MASK(irq); + unsigned long mask = EIEM_MASK(d->irq); int cpu = smp_processor_id(); /* Clear in EIEM so we can no longer process */ @@ -90,9 +95,9 @@ void cpu_ack_irq(unsigned int irq) mtctl(mask, 23); } -void cpu_eoi_irq(unsigned int irq) +void cpu_eoi_irq(struct irq_data *d) { - unsigned long mask = EIEM_MASK(irq); + unsigned long mask = EIEM_MASK(d->irq); int cpu = smp_processor_id(); /* set it in the eiems---it's no longer in process */ @@ -103,15 +108,16 @@ void cpu_eoi_irq(unsigned int irq) } #ifdef CONFIG_SMP -int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) +int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest) { int cpu_dest; /* timer and ipi have to always be received on all CPUs */ - if (CHECK_IRQ_PER_CPU(irq_to_desc(irq)->status)) { + if (CHECK_IRQ_PER_CPU(irq_to_desc(d->irq)->status)) { /* Bad linux design decision. The mask has already - * been set; we must reset it */ - cpumask_setall(irq_desc[irq].affinity); + * been set; we must reset it. Will fix - tglx + */ + cpumask_setall(d->affinity); return -EINVAL; } @@ -121,33 +127,34 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) return cpu_dest; } -static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest) +static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest, + bool force) { int cpu_dest; - cpu_dest = cpu_check_affinity(irq, dest); + cpu_dest = cpu_check_affinity(d, dest); if (cpu_dest < 0) return -1; - cpumask_copy(irq_desc[irq].affinity, dest); + cpumask_copy(d->affinity, dest); return 0; } #endif static struct irq_chip cpu_interrupt_type = { - .name = "CPU", - .mask = cpu_mask_irq, - .unmask = cpu_unmask_irq, - .ack = cpu_ack_irq, - .eoi = cpu_eoi_irq, + .name = "CPU", + .irq_mask = cpu_mask_irq, + .irq_unmask = cpu_unmask_irq, + .irq_ack = cpu_ack_irq, + .irq_eoi = cpu_eoi_irq, #ifdef CONFIG_SMP - .set_affinity = cpu_set_affinity_irq, + .irq_set_affinity = cpu_set_affinity_irq, #endif /* XXX: Needs to be written. We managed without it so far, but * we really ought to write it. */ - .retrigger = NULL, + .irq_retrigger = NULL, }; int show_interrupts(struct seq_file *p, void *v) @@ -181,7 +188,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_irqs(i)); #endif - seq_printf(p, " %14s", irq_desc[i].chip->name); + seq_printf(p, " %14s", irq_desc[i].irq_data.chip->name); #ifndef PARISC_IRQ_CR16_COUNTS seq_printf(p, " %s", action->name); @@ -233,14 +240,14 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data) { if (irq_desc[irq].action) return -EBUSY; - if (irq_desc[irq].chip != &cpu_interrupt_type) + if (get_irq_chip(irq) != &cpu_interrupt_type) return -EBUSY; /* for iosapic interrupts */ if (type) { set_irq_chip_and_handler(irq, type, handle_percpu_irq); set_irq_chip_data(irq, data); - cpu_unmask_irq(irq); + __cpu_unmask_irq(irq); } return 0; } @@ -289,7 +296,8 @@ int txn_alloc_irq(unsigned int bits_wide) unsigned long txn_affinity_addr(unsigned int irq, int cpu) { #ifdef CONFIG_SMP - cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); + struct irq_data *d = irq_get_irq_data(irq); + cpumask_copy(d->affinity, cpumask_of(cpu)); #endif return per_cpu(cpu_data, cpu).txn_addr; @@ -333,6 +341,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) unsigned long eirr_val; int irq, cpu = smp_processor_id(); #ifdef CONFIG_SMP + struct irq_desc *desc; cpumask_t dest; #endif @@ -346,8 +355,9 @@ void do_cpu_irq_mask(struct pt_regs *regs) irq = eirr_to_irq(eirr_val); #ifdef CONFIG_SMP - cpumask_copy(&dest, irq_desc[irq].affinity); - if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) && + desc = irq_to_desc(irq); + cpumask_copy(&dest, desc->irq_data.affinity); + if (CHECK_IRQ_PER_CPU(desc->status) && !cpu_isset(smp_processor_id(), dest)) { int cpu = first_cpu(dest); |