X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc%2Fkernel%2Firq.c;h=5b4841d067c16ccf906149fd3c73b87ea5d16325;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=aac8af5aae51ddcea1a954ee7876b104c2d40576;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index aac8af5aa..5b4841d06 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -11,7 +11,6 @@ * Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org) */ -#include #include #include #include @@ -47,6 +46,7 @@ #include #include #include +#include #ifdef CONFIG_SMP #define SMP_NOP2 "nop; nop;\n\t" @@ -134,8 +134,8 @@ static void irq_panic(void) prom_halt(); } -void (*sparc_init_timers)(irqreturn_t (*)(int, void *,struct pt_regs *)) = - (void (*)(irqreturn_t (*)(int, void *,struct pt_regs *))) irq_panic; +void (*sparc_init_timers)(irq_handler_t ) = + (void (*)(irq_handler_t )) irq_panic; /* * Dave Redman (djhr@tadpole.co.uk) @@ -192,11 +192,11 @@ int show_interrupts(struct seq_file *p, void *v) } #endif seq_printf(p, " %c %s", - (action->flags & SA_INTERRUPT) ? '+' : ' ', + (action->flags & IRQF_DISABLED) ? '+' : ' ', action->name); for (action=action->next; action; action = action->next) { seq_printf(p, ",%s %s", - (action->flags & SA_INTERRUPT) ? " +" : "", + (action->flags & IRQF_DISABLED) ? " +" : "", action->name); } seq_putc(p, '\n'); @@ -244,7 +244,7 @@ void free_irq(unsigned int irq, void *dev_id) printk("Trying to free free shared IRQ%d\n",irq); goto out_unlock; } - } else if (action->flags & SA_SHIRQ) { + } else if (action->flags & IRQF_SHARED) { printk("Trying to free shared IRQ%d with NULL device ID\n", irq); goto out_unlock; } @@ -320,17 +320,19 @@ void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs) void handler_irq(int irq, struct pt_regs * regs) { + struct pt_regs *old_regs; struct irqaction * action; int cpu = smp_processor_id(); #ifdef CONFIG_SMP extern void smp4m_irq_rotate(int cpu); #endif + old_regs = set_irq_regs(regs); irq_enter(); disable_pil_irq(irq); #ifdef CONFIG_SMP /* Only rotate on lower priority IRQ's (scsi, ethernet, etc.). */ - if(irq < 10) + if((sparc_cpu_model==sun4m) && (irq < 10)) smp4m_irq_rotate(cpu); #endif action = sparc_irq[irq].action; @@ -339,27 +341,31 @@ void handler_irq(int irq, struct pt_regs * regs) do { if (!action || !action->handler) unexpected_irq(irq, NULL, regs); - action->handler(irq, action->dev_id, regs); + action->handler(irq, action->dev_id); action = action->next; } while (action); sparc_irq[irq].flags &= ~SPARC_IRQ_INPROGRESS; enable_pil_irq(irq); irq_exit(); + set_irq_regs(old_regs); } #ifdef CONFIG_BLK_DEV_FD -extern void floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs); +extern void floppy_interrupt(int irq, void *dev_id); void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs) { + struct pt_regs *old_regs; int cpu = smp_processor_id(); + old_regs = set_irq_regs(regs); disable_pil_irq(irq); irq_enter(); kstat_cpu(cpu).irqs[irq]++; - floppy_interrupt(irq, dev_id, regs); + floppy_interrupt(irq, dev_id); irq_exit(); enable_pil_irq(irq); + set_irq_regs(old_regs); // XXX Eek, it's totally changed with preempt_count() and such // if (softirq_pending(cpu)) // do_softirq(); @@ -370,7 +376,7 @@ void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs) * thus no sharing possible. */ int request_fast_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irq_handler_t handler, unsigned long irqflags, const char *devname) { struct irqaction *action; @@ -396,9 +402,9 @@ int request_fast_irq(unsigned int irq, action = sparc_irq[cpu_irq].action; if(action) { - if(action->flags & SA_SHIRQ) + if(action->flags & IRQF_SHARED) panic("Trying to register fast irq when already shared.\n"); - if(irqflags & SA_SHIRQ) + if(irqflags & IRQF_SHARED) panic("Trying to register fast irq as shared.\n"); /* Anyway, someone already owns it so cannot be made fast. */ @@ -419,7 +425,7 @@ int request_fast_irq(unsigned int irq, } if (action == NULL) - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), + action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC); if (!action) { @@ -469,7 +475,7 @@ out: } int request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irq_handler_t handler, unsigned long irqflags, const char * devname, void *dev_id) { struct irqaction * action, **actionp; @@ -479,7 +485,7 @@ int request_irq(unsigned int irq, if (sparc_cpu_model == sun4d) { extern int sun4d_request_irq(unsigned int, - irqreturn_t (*)(int, void *, struct pt_regs *), + irq_handler_t , unsigned long, const char *, void *); return sun4d_request_irq(irq, handler, irqflags, devname, dev_id); } @@ -498,11 +504,11 @@ int request_irq(unsigned int irq, actionp = &sparc_irq[cpu_irq].action; action = *actionp; if (action) { - if (!(action->flags & SA_SHIRQ) || !(irqflags & SA_SHIRQ)) { + if (!(action->flags & IRQF_SHARED) || !(irqflags & IRQF_SHARED)) { ret = -EBUSY; goto out_unlock; } - if ((action->flags & SA_INTERRUPT) != (irqflags & SA_INTERRUPT)) { + if ((action->flags & IRQF_DISABLED) != (irqflags & IRQF_DISABLED)) { printk("Attempt to mix fast and slow interrupts on IRQ%d denied\n", irq); ret = -EBUSY; goto out_unlock; @@ -522,7 +528,7 @@ int request_irq(unsigned int irq, } if (action == NULL) - action = (struct irqaction *)kmalloc(sizeof(struct irqaction), + action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC); if (!action) {