fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sh / irq.h
blobc61d902b8bff118d511d88fe62409a22e835e4ce
1 #ifndef __ASM_SH_IRQ_H
2 #define __ASM_SH_IRQ_H
4 #include <asm/machvec.h>
6 /*
7 * A sane default based on a reasonable vector table size, platforms are
8 * advised to cap this at the hard limit that they're interested in
9 * through the machvec.
11 #define NR_IRQS 256
14 * Convert back and forth between INTEVT and IRQ values.
16 #ifdef CONFIG_CPU_HAS_INTEVT
17 #define evt2irq(evt) (((evt) >> 5) - 16)
18 #define irq2evt(irq) (((irq) + 16) << 5)
19 #else
20 #define evt2irq(evt) (evt)
21 #define irq2evt(irq) (irq)
22 #endif
25 * Simple Mask Register Support
27 extern void make_maskreg_irq(unsigned int irq);
28 extern unsigned short *irq_mask_register;
31 * PINT IRQs
33 void init_IRQ_pint(void);
34 void make_imask_irq(unsigned int irq);
36 static inline int generic_irq_demux(int irq)
38 return irq;
41 #define irq_canonicalize(irq) (irq)
42 #define irq_demux(irq) sh_mv.mv_irq_demux(irq)
44 #ifdef CONFIG_4KSTACKS
45 extern void irq_ctx_init(int cpu);
46 extern void irq_ctx_exit(int cpu);
47 # define __ARCH_HAS_DO_SOFTIRQ
48 #else
49 # define irq_ctx_init(cpu) do { } while (0)
50 # define irq_ctx_exit(cpu) do { } while (0)
51 #endif
53 #endif /* __ASM_SH_IRQ_H */