arch/sh/include/asm/irq.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SH_IRQ_H
   3 #define __ASM_SH_IRQ_H
   4
   5 #include <linux/cpumask.h>
   6 #include <asm/machvec.h>
   7
   8 /*
   9  * This is a special IRQ number for indicating that no IRQ has been
  10  * triggered and to simply ignore the IRQ dispatch. This is a special
  11  * case that can happen with IRQ auto-distribution when multiple CPUs
  12  * are woken up and signalled in parallel.
  13  */
  14 #define NO_IRQ_IGNORE           ((unsigned int)-1)
  15
  16 /*
  17  * PINT IRQs
  18  */
  19 void make_imask_irq(unsigned int irq);
  20
  21 static inline int generic_irq_demux(int irq)
  22 {
  23         return irq;
  24 }
  25
  26 #define irq_demux(irq)          sh_mv.mv_irq_demux(irq)
  27
  28 void init_IRQ(void);
  29 void migrate_irqs(void);
  30
  31 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
  32
  33 #ifdef CONFIG_IRQSTACKS
  34 extern void irq_ctx_init(int cpu);
  35 extern void irq_ctx_exit(int cpu);
  36 #else
  37 # define irq_ctx_init(cpu) do { } while (0)
  38 # define irq_ctx_exit(cpu) do { } while (0)
  39 #endif
  40
  41 #ifdef CONFIG_INTC_BALANCING
  42 extern unsigned int irq_lookup(unsigned int irq);
  43 extern void irq_finish(unsigned int irq);
  44 #else
  45 #define irq_lookup(irq)         (irq)
  46 #define irq_finish(irq)         do { } while (0)
  47 #endif
  48
  49 #include <asm-generic/irq.h>
  50
  51 #endif /* __ASM_SH_IRQ_H */