diff options
Diffstat (limited to 'drivers/sh')
| -rw-r--r-- | drivers/sh/intc/chip.c | 53 | ||||
| -rw-r--r-- | drivers/sh/intc/core.c | 39 | ||||
| -rw-r--r-- | drivers/sh/intc/internals.h | 2 | ||||
| -rw-r--r-- | drivers/sh/intc/virq.c | 14 |
4 files changed, 68 insertions, 40 deletions
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c index 35c03706cc2..de885a0f917 100644 --- a/drivers/sh/intc/chip.c +++ b/drivers/sh/intc/chip.c @@ -12,15 +12,16 @@ #include <linux/io.h> #include "internals.h" -void _intc_enable(unsigned int irq, unsigned long handle) +void _intc_enable(struct irq_data *data, unsigned long handle) { + unsigned int irq = data->irq; struct intc_desc_int *d = get_intc_desc(irq); unsigned long addr; unsigned int cpu; for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) { #ifdef CONFIG_SMP - if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity)) + if (!cpumask_test_cpu(cpu, data->affinity)) continue; #endif addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu); @@ -31,15 +32,16 @@ void _intc_enable(unsigned int irq, unsigned long handle) intc_balancing_enable(irq); } -static void intc_enable(unsigned int irq) +static void intc_enable(struct irq_data *data) { - _intc_enable(irq, (unsigned long)get_irq_chip_data(irq)); + _intc_enable(data, (unsigned long)irq_data_get_irq_chip_data(data)); } -static void intc_disable(unsigned int irq) +static void intc_disable(struct irq_data *data) { + unsigned int irq = data->irq; struct intc_desc_int *d = get_intc_desc(irq); - unsigned long handle = (unsigned long)get_irq_chip_data(irq); + unsigned long handle = (unsigned long)irq_data_get_irq_chip_data(data); unsigned long addr; unsigned int cpu; @@ -47,7 +49,7 @@ static void intc_disable(unsigned int irq) for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) { #ifdef CONFIG_SMP - if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity)) + if (!cpumask_test_cpu(cpu, data->affinity)) continue; #endif addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu); @@ -56,7 +58,7 @@ static void intc_disable(unsigned int irq) } } -static int intc_set_wake(unsigned int irq, unsigned int on) +static int intc_set_wake(struct irq_data *data, unsigned int on) { return 0; /* allow wakeup, but setup hardware in intc_suspend() */ } @@ -67,24 +69,27 @@ static int intc_set_wake(unsigned int irq, unsigned int on) * additional locking here at the intc desc level. The affinity mask is * later tested in the enable/disable paths. */ -static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask) +static int intc_set_affinity(struct irq_data *data, + const struct cpumask *cpumask, + bool force) { if (!cpumask_intersects(cpumask, cpu_online_mask)) return -1; - cpumask_copy(irq_to_desc(irq)->affinity, cpumask); + cpumask_copy(data->affinity, cpumask); return 0; } #endif -static void intc_mask_ack(unsigned int irq) +static void intc_mask_ack(struct irq_data *data) { + unsigned int irq = data->irq; struct intc_desc_int *d = get_intc_desc(irq); unsigned long handle = intc_get_ack_handle(irq); unsigned long addr; - intc_disable(irq); + intc_disable(data); /* read register and write zero only to the associated bit */ if (handle) { @@ -144,6 +149,7 @@ static struct intc_handle_int *intc_find_irq(struct intc_handle_int *hp, int intc_set_priority(unsigned int irq, unsigned int prio) { struct intc_desc_int *d = get_intc_desc(irq); + struct irq_data *data = irq_get_irq_data(irq); struct intc_handle_int *ihp; if (!intc_get_prio_level(irq) || prio <= 1) @@ -162,7 +168,7 @@ int intc_set_priority(unsigned int irq, unsigned int prio) * priority level will be set during next enable() */ if (_INTC_FN(ihp->handle) != REG_FN_ERR) - _intc_enable(irq, ihp->handle); + _intc_enable(data, ihp->handle); } return 0; } @@ -181,8 +187,9 @@ static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = { #endif }; -static int intc_set_type(unsigned int irq, unsigned int type) +static int intc_set_type(struct irq_data *data, unsigned int type) { + unsigned int irq = data->irq; struct intc_desc_int *d = get_intc_desc(irq); unsigned char value = intc_irq_sense_table[type & IRQ_TYPE_SENSE_MASK]; struct intc_handle_int *ihp; @@ -201,15 +208,15 @@ static int intc_set_type(unsigned int irq, unsigned int type) } struct irq_chip intc_irq_chip = { - .mask = intc_disable, - .unmask = intc_enable, - .mask_ack = intc_mask_ack, - .enable = intc_enable, - .disable = intc_disable, - .shutdown = intc_disable, - .set_type = intc_set_type, - .set_wake = intc_set_wake, + .irq_mask = intc_disable, + .irq_unmask = intc_enable, + .irq_mask_ack = intc_mask_ack, + .irq_enable = intc_enable, + .irq_disable = intc_disable, + .irq_shutdown = intc_disable, + .irq_set_type = intc_set_type, + .irq_set_wake = intc_set_wake, #ifdef CONFIG_SMP - .set_affinity = intc_set_affinity, + .irq_set_affinity = intc_set_affinity, #endif }; diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 0801089828e..338fad2a3fa 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -71,6 +71,7 @@ static void __init intc_register_irq(struct intc_desc *desc, unsigned int irq) { struct intc_handle_int *hp; + struct irq_data *irq_data; unsigned int data[2], primary; unsigned long flags; @@ -111,6 +112,8 @@ static void __init intc_register_irq(struct intc_desc *desc, BUG_ON(!data[primary]); /* must have primary masking method */ + irq_data = irq_get_irq_data(irq); + disable_irq_nosync(irq); set_irq_chip_and_handler_name(irq, &d->chip, handle_level_irq, "level"); @@ -123,7 +126,7 @@ static void __init intc_register_irq(struct intc_desc *desc, /* enable secondary masking method if present */ if (data[!primary]) - _intc_enable(irq, data[!primary]); + _intc_enable(irq_data, data[!primary]); /* add irq to d->prio list if priority is available */ if (data[1]) { @@ -151,7 +154,7 @@ static void __init intc_register_irq(struct intc_desc *desc, } /* irq should be disabled by default */ - d->chip.mask(irq); + d->chip.irq_mask(irq_data); intc_set_ack_handle(irq, desc, d, enum_id); intc_set_dist_handle(irq, desc, d, enum_id); @@ -284,7 +287,7 @@ int __init register_intc_controller(struct intc_desc *desc) for (i = 0; i < hw->nr_ack_regs; i++) k += save_reg(d, k, hw->ack_regs[i].set_reg, 0); else - d->chip.mask_ack = d->chip.disable; + d->chip.irq_mask_ack = d->chip.irq_disable; /* disable bits matching force_disable before registering irqs */ if (desc->force_disable) @@ -387,7 +390,9 @@ static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL); static int intc_suspend(struct sys_device *dev, pm_message_t state) { struct intc_desc_int *d; + struct irq_data *data; struct irq_desc *desc; + struct irq_chip *chip; int irq; /* get intc controller associated with this sysdev */ @@ -398,17 +403,24 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state) if (d->state.event != PM_EVENT_FREEZE) break; - for_each_irq_desc(irq, desc) { + for_each_irq_nr(irq) { + desc = irq_to_desc(irq); + if (!desc) + continue; + + data = irq_get_irq_data(irq); + chip = irq_data_get_irq_chip(data); + /* * This will catch the redirect and VIRQ cases * due to the dummy_irq_chip being inserted. */ - if (desc->chip != &d->chip) + if (chip != &d->chip) continue; if (desc->status & IRQ_DISABLED) - desc->chip->disable(irq); + chip->irq_disable(data); else - desc->chip->enable(irq); + chip->irq_enable(data); } break; case PM_EVENT_FREEZE: @@ -416,11 +428,18 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state) break; case PM_EVENT_SUSPEND: /* enable wakeup irqs belonging to this intc controller */ - for_each_irq_desc(irq, desc) { - if (desc->chip != &d->chip) + for_each_irq_nr(irq) { + desc = irq_to_desc(irq); + if (!desc) + continue; + + data = irq_get_irq_data(irq); + chip = irq_data_get_irq_chip(data); + + if (chip != &d->chip) continue; if ((desc->status & IRQ_WAKEUP)) - desc->chip->enable(irq); + chip->irq_enable(data); } break; } diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index d49482c623f..0cf8260971d 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -152,7 +152,7 @@ intc_set_dist_handle(unsigned int irq, struct intc_desc *desc, /* chip.c */ extern struct irq_chip intc_irq_chip; -void _intc_enable(unsigned int irq, unsigned long handle); +void _intc_enable(struct irq_data *data, unsigned long handle); /* core.c */ extern struct list_head intc_list; diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c index 643dfd4d205..e5bf5d3c698 100644 --- a/drivers/sh/intc/virq.c +++ b/drivers/sh/intc/virq.c @@ -83,11 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup); static int add_virq_to_pirq(unsigned int irq, unsigned int virq) { struct intc_virq_list **last, *entry; - struct irq_desc *desc = irq_to_desc(irq); + struct irq_data *data = irq_get_irq_data(irq); /* scan for duplicates */ - last = (struct intc_virq_list **)&desc->handler_data; - for_each_virq(entry, desc->handler_data) { + last = (struct intc_virq_list **)&data->handler_data; + for_each_virq(entry, data->handler_data) { if (entry->irq == virq) return 0; last = &entry->next; @@ -108,10 +108,12 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq) static void intc_virq_handler(unsigned int irq, struct irq_desc *desc) { - struct intc_virq_list *entry, *vlist = get_irq_data(irq); + struct irq_data *data = irq_get_irq_data(irq); + struct irq_chip *chip = irq_data_get_irq_chip(data); + struct intc_virq_list *entry, *vlist = irq_data_get_irq_data(data); struct intc_desc_int *d = get_intc_desc(irq); - desc->chip->mask_ack(irq); + chip->irq_mask_ack(data); for_each_virq(entry, vlist) { unsigned long addr, handle; @@ -123,7 +125,7 @@ static void intc_virq_handler(unsigned int irq, struct irq_desc *desc) generic_handle_irq(entry->irq); } - desc->chip->unmask(irq); + chip->irq_unmask(data); } static unsigned long __init intc_subgroup_data(struct intc_subgroup *subgroup, |