X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Fmach%2Firq.h;h=eb0bfba6570d6ae294fa50adf0a349527ba2ad86;hb=refs%2Fheads%2Fvserver;hp=bea9af3922cb087cd92a3715e87a10ee928c4f50;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/include/asm-arm/mach/irq.h b/include/asm-arm/mach/irq.h index bea9af392..eb0bfba65 100644 --- a/include/asm-arm/mach/irq.h +++ b/include/asm-arm/mach/irq.h @@ -10,72 +10,9 @@ #ifndef __ASM_ARM_MACH_IRQ_H #define __ASM_ARM_MACH_IRQ_H -struct irqdesc; -struct pt_regs; -struct seq_file; - -typedef void (*irq_handler_t)(unsigned int, struct irqdesc *, struct pt_regs *); -typedef void (*irq_control_t)(unsigned int); - -struct irqchip { - /* - * Acknowledge the IRQ. - * If this is a level-based IRQ, then it is expected to mask the IRQ - * as well. - */ - void (*ack)(unsigned int); - /* - * Mask the IRQ in hardware. - */ - void (*mask)(unsigned int); - /* - * Unmask the IRQ in hardware. - */ - void (*unmask)(unsigned int); - /* - * Ask the hardware to re-trigger the IRQ. - * Note: This method _must_ _not_ call the interrupt handler. - * If you are unable to retrigger the interrupt, do not - * provide a function, or if you do, return non-zero. - */ - int (*retrigger)(unsigned int); - /* - * Set the type of the IRQ. - */ - int (*type)(unsigned int, unsigned int); - /* - * Set wakeup-enable on the selected IRQ - */ - int (*wake)(unsigned int, unsigned int); -}; - -struct irqdesc { - irq_handler_t handle; - struct irqchip *chip; - struct irqaction *action; - struct list_head pend; - void *chipdata; - void *data; - unsigned int disable_depth; - - unsigned int triggered: 1; /* IRQ has occurred */ - unsigned int running : 1; /* IRQ is running */ - unsigned int pending : 1; /* IRQ is pending */ - unsigned int probing : 1; /* IRQ in use for a probe */ - unsigned int probe_ok : 1; /* IRQ can be used for probe */ - unsigned int valid : 1; /* IRQ claimable */ - unsigned int noautoenable : 1; /* don't automatically enable IRQ */ - unsigned int unused :25; +#include - /* - * IRQ lock detection - */ - unsigned int lck_cnt; - unsigned int lck_pc; - unsigned int lck_jif; -}; - -extern struct irqdesc irq_desc[]; +struct seq_file; /* * This is internal. Do not use it. @@ -83,48 +20,35 @@ extern struct irqdesc irq_desc[]; extern void (*init_arch_irq)(void); extern void init_FIQ(void); extern int show_fiq_list(struct seq_file *, void *); -void __set_irq_handler(unsigned int irq, irq_handler_t, int); /* - * External stuff. + * Obsolete inline function for calling irq descriptor handlers. */ -#define set_irq_handler(irq,handler) __set_irq_handler(irq,handler,0) -#define set_irq_chained_handler(irq,handler) __set_irq_handler(irq,handler,1) -#define set_irq_data(irq,d) do { irq_desc[irq].data = d; } while (0) -#define set_irq_chipdata(irq,d) do { irq_desc[irq].chipdata = d; } while (0) -#define get_irq_chipdata(irq) (irq_desc[irq].chipdata) - -void set_irq_chip(unsigned int irq, struct irqchip *); -void set_irq_flags(unsigned int irq, unsigned int flags); - -#ifdef not_yet -/* - * This is to be used by the top-level machine IRQ decoder only. - */ -static inline void call_irq(struct pt_regs *regs, unsigned int irq) +static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc) { - struct irqdesc *desc = irq_desc + irq; - - spin_lock(&irq_controller_lock); - desc->handle(irq, desc, regs); - spin_unlock(&irq_controller_lock); - - if (softirq_pending(smp_processor_id())) - do_softirq(); + desc->handle_irq(irq, desc); } -#endif + +void set_irq_flags(unsigned int irq, unsigned int flags); #define IRQF_VALID (1 << 0) #define IRQF_PROBE (1 << 1) #define IRQF_NOAUTOEN (1 << 2) /* - * Built-in IRQ handlers. + * This is for easy migration, but should be changed in the source */ -void do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_edge_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_bad_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void dummy_mask_unmask_irq(unsigned int irq); +#define do_bad_IRQ(irq,desc) \ +do { \ + spin_lock(&desc->lock); \ + handle_bad_irq(irq, desc); \ + spin_unlock(&desc->lock); \ +} while(0) + +extern unsigned long irq_err_count; +static inline void ack_bad_irq(int irq) +{ + irq_err_count++; +} #endif