diff options
Diffstat (limited to 'arch/sh/include/asm/irq.h')
| -rw-r--r-- | arch/sh/include/asm/irq.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h index df8e1500527c..99c593b3a827 100644 --- a/arch/sh/include/asm/irq.h +++ b/arch/sh/include/asm/irq.h @@ -12,6 +12,14 @@ #define NR_IRQS_LEGACY 8 /* Legacy external IRQ0-7 */ /* + * This is a special IRQ number for indicating that no IRQ has been + * triggered and to simply ignore the IRQ dispatch. This is a special + * case that can happen with IRQ auto-distribution when multiple CPUs + * are woken up and signalled in parallel. + */ +#define NO_IRQ_IGNORE ((unsigned int)-1) + +/* * Convert back and forth between INTEVT and IRQ values. */ #ifdef CONFIG_CPU_HAS_INTEVT @@ -53,6 +61,14 @@ extern void irq_ctx_exit(int cpu); # define irq_ctx_exit(cpu) do { } while (0) #endif +#ifdef CONFIG_INTC_BALANCING +extern unsigned int irq_lookup(unsigned int irq); +extern void irq_finish(unsigned int irq); +#else +#define irq_lookup(irq) (irq) +#define irq_finish(irq) do { } while (0) +#endif + #include <asm-generic/irq.h> #ifdef CONFIG_CPU_SH5 #include <cpu/irq.h> |