diff options
Diffstat (limited to 'arch/powerpc/sysdev/ipic.c')
| -rw-r--r-- | arch/powerpc/sysdev/ipic.c | 74 |
1 files changed, 26 insertions, 48 deletions
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 497047dc986..7367d17364c 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -18,7 +18,7 @@ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/signal.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/device.h> #include <linux/bootmem.h> #include <linux/spinlock.h> @@ -521,12 +521,10 @@ static inline struct ipic * ipic_from_irq(unsigned int virq) return primary_ipic; } -#define ipic_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq) - static void ipic_unmask_irq(struct irq_data *d) { struct ipic *ipic = ipic_from_irq(d->irq); - unsigned int src = ipic_irq_to_hw(d->irq); + unsigned int src = irqd_to_hwirq(d); unsigned long flags; u32 temp; @@ -542,7 +540,7 @@ static void ipic_unmask_irq(struct irq_data *d) static void ipic_mask_irq(struct irq_data *d) { struct ipic *ipic = ipic_from_irq(d->irq); - unsigned int src = ipic_irq_to_hw(d->irq); + unsigned int src = irqd_to_hwirq(d); unsigned long flags; u32 temp; @@ -562,7 +560,7 @@ static void ipic_mask_irq(struct irq_data *d) static void ipic_ack_irq(struct irq_data *d) { struct ipic *ipic = ipic_from_irq(d->irq); - unsigned int src = ipic_irq_to_hw(d->irq); + unsigned int src = irqd_to_hwirq(d); unsigned long flags; u32 temp; @@ -581,7 +579,7 @@ static void ipic_ack_irq(struct irq_data *d) static void ipic_mask_irq_and_ack(struct irq_data *d) { struct ipic *ipic = ipic_from_irq(d->irq); - unsigned int src = ipic_irq_to_hw(d->irq); + unsigned int src = irqd_to_hwirq(d); unsigned long flags; u32 temp; @@ -604,8 +602,7 @@ static void ipic_mask_irq_and_ack(struct irq_data *d) static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type) { struct ipic *ipic = ipic_from_irq(d->irq); - unsigned int src = ipic_irq_to_hw(d->irq); - struct irq_desc *desc = irq_to_desc(d->irq); + unsigned int src = irqd_to_hwirq(d); unsigned int vold, vnew, edibit; if (flow_type == IRQ_TYPE_NONE) @@ -623,17 +620,16 @@ static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type) printk(KERN_ERR "ipic: edge sense not supported on internal " "interrupts\n"); return -EINVAL; + } - desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); - desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; + irqd_set_trigger_type(d, flow_type); if (flow_type & IRQ_TYPE_LEVEL_LOW) { - desc->status |= IRQ_LEVEL; - desc->handle_irq = handle_level_irq; - desc->irq_data.chip = &ipic_level_irq_chip; + __irq_set_handler_locked(d->irq, handle_level_irq); + d->chip = &ipic_level_irq_chip; } else { - desc->handle_irq = handle_edge_irq; - desc->irq_data.chip = &ipic_edge_irq_chip; + __irq_set_handler_locked(d->irq, handle_edge_irq); + d->chip = &ipic_edge_irq_chip; } /* only EXT IRQ senses are programmable on ipic @@ -655,7 +651,7 @@ static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type) } if (vold != vnew) ipic_write(ipic->regs, IPIC_SECNR, vnew); - return 0; + return IRQ_SET_MASK_OK_NOCOPY; } /* level interrupts and edge interrupts have different ack operations */ @@ -687,11 +683,11 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq, { struct ipic *ipic = h->host_data; - set_irq_chip_data(virq, ipic); - set_irq_chip_and_handler(virq, &ipic_level_irq_chip, handle_level_irq); + irq_set_chip_data(virq, ipic); + irq_set_chip_and_handler(virq, &ipic_level_irq_chip, handle_level_irq); /* Set default irq type */ - set_irq_type(virq, IRQ_TYPE_NONE); + irq_set_irq_type(virq, IRQ_TYPE_NONE); return 0; } @@ -795,7 +791,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags) int ipic_set_priority(unsigned int virq, unsigned int priority) { struct ipic *ipic = ipic_from_irq(virq); - unsigned int src = ipic_irq_to_hw(virq); + unsigned int src = virq_to_hw(virq); u32 temp; if (priority > 7) @@ -823,7 +819,7 @@ int ipic_set_priority(unsigned int virq, unsigned int priority) void ipic_set_highest_priority(unsigned int virq) { struct ipic *ipic = ipic_from_irq(virq); - unsigned int src = ipic_irq_to_hw(virq); + unsigned int src = virq_to_hw(virq); u32 temp; temp = ipic_read(ipic->regs, IPIC_SICFR); @@ -904,7 +900,7 @@ static struct { u32 sercr; } ipic_saved_state; -static int ipic_suspend(struct sys_device *sdev, pm_message_t state) +static int ipic_suspend(void) { struct ipic *ipic = primary_ipic; @@ -935,7 +931,7 @@ static int ipic_suspend(struct sys_device *sdev, pm_message_t state) return 0; } -static int ipic_resume(struct sys_device *sdev) +static void ipic_resume(void) { struct ipic *ipic = primary_ipic; @@ -951,44 +947,26 @@ static int ipic_resume(struct sys_device *sdev) ipic_write(ipic->regs, IPIC_SECNR, ipic_saved_state.secnr); ipic_write(ipic->regs, IPIC_SERMR, ipic_saved_state.sermr); ipic_write(ipic->regs, IPIC_SERCR, ipic_saved_state.sercr); - - return 0; } #else #define ipic_suspend NULL #define ipic_resume NULL #endif -static struct sysdev_class ipic_sysclass = { - .name = "ipic", +static struct syscore_ops ipic_syscore_ops = { .suspend = ipic_suspend, .resume = ipic_resume, }; -static struct sys_device device_ipic = { - .id = 0, - .cls = &ipic_sysclass, -}; - -static int __init init_ipic_sysfs(void) +static int __init init_ipic_syscore(void) { - int rc; - if (!primary_ipic || !primary_ipic->regs) return -ENODEV; - printk(KERN_DEBUG "Registering ipic with sysfs...\n"); - rc = sysdev_class_register(&ipic_sysclass); - if (rc) { - printk(KERN_ERR "Failed registering ipic sys class\n"); - return -ENODEV; - } - rc = sysdev_register(&device_ipic); - if (rc) { - printk(KERN_ERR "Failed registering ipic sys device\n"); - return -ENODEV; - } + printk(KERN_DEBUG "Registering ipic system core operations\n"); + register_syscore_ops(&ipic_syscore_ops); + return 0; } -subsys_initcall(init_ipic_sysfs); +subsys_initcall(init_ipic_syscore); |