Commit 62fad39be0662a924b60e4354b802525ceda0bb1

Authored by Paul Mundt
1 parent 2f3ed17e01

sh: Add a NR_IRQS_LEGACY for external IRQ0-7.

This adds a NR_IRQS_LEGACY definition, which will be used by sparse irq.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

Showing 1 changed file with 2 additions and 1 deletions Inline Diff

arch/sh/include/asm/irq.h
1 #ifndef __ASM_SH_IRQ_H 1 #ifndef __ASM_SH_IRQ_H
2 #define __ASM_SH_IRQ_H 2 #define __ASM_SH_IRQ_H
3 3
4 #include <asm/machvec.h> 4 #include <asm/machvec.h>
5 5
6 /* 6 /*
7 * A sane default based on a reasonable vector table size, platforms are 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 8 * advised to cap this at the hard limit that they're interested in
9 * through the machvec. 9 * through the machvec.
10 */ 10 */
11 #define NR_IRQS 256 11 #define NR_IRQS 256
12 #define NR_IRQS_LEGACY 8 /* Legacy external IRQ0-7 */
12 13
13 /* 14 /*
14 * Convert back and forth between INTEVT and IRQ values. 15 * Convert back and forth between INTEVT and IRQ values.
15 */ 16 */
16 #ifdef CONFIG_CPU_HAS_INTEVT 17 #ifdef CONFIG_CPU_HAS_INTEVT
17 #define evt2irq(evt) (((evt) >> 5) - 16) 18 #define evt2irq(evt) (((evt) >> 5) - 16)
18 #define irq2evt(irq) (((irq) + 16) << 5) 19 #define irq2evt(irq) (((irq) + 16) << 5)
19 #else 20 #else
20 #define evt2irq(evt) (evt) 21 #define evt2irq(evt) (evt)
21 #define irq2evt(irq) (irq) 22 #define irq2evt(irq) (irq)
22 #endif 23 #endif
23 24
24 /* 25 /*
25 * Simple Mask Register Support 26 * Simple Mask Register Support
26 */ 27 */
27 extern void make_maskreg_irq(unsigned int irq); 28 extern void make_maskreg_irq(unsigned int irq);
28 extern unsigned short *irq_mask_register; 29 extern unsigned short *irq_mask_register;
29 30
30 /* 31 /*
31 * PINT IRQs 32 * PINT IRQs
32 */ 33 */
33 void init_IRQ_pint(void); 34 void init_IRQ_pint(void);
34 void make_imask_irq(unsigned int irq); 35 void make_imask_irq(unsigned int irq);
35 36
36 static inline int generic_irq_demux(int irq) 37 static inline int generic_irq_demux(int irq)
37 { 38 {
38 return irq; 39 return irq;
39 } 40 }
40 41
41 #define irq_canonicalize(irq) (irq) 42 #define irq_canonicalize(irq) (irq)
42 #define irq_demux(irq) sh_mv.mv_irq_demux(irq) 43 #define irq_demux(irq) sh_mv.mv_irq_demux(irq)
43 44
44 void init_IRQ(void); 45 void init_IRQ(void);
45 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs); 46 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
46 47
47 #ifdef CONFIG_IRQSTACKS 48 #ifdef CONFIG_IRQSTACKS
48 extern void irq_ctx_init(int cpu); 49 extern void irq_ctx_init(int cpu);
49 extern void irq_ctx_exit(int cpu); 50 extern void irq_ctx_exit(int cpu);
50 # define __ARCH_HAS_DO_SOFTIRQ 51 # define __ARCH_HAS_DO_SOFTIRQ
51 #else 52 #else
52 # define irq_ctx_init(cpu) do { } while (0) 53 # define irq_ctx_init(cpu) do { } while (0)
53 # define irq_ctx_exit(cpu) do { } while (0) 54 # define irq_ctx_exit(cpu) do { } while (0)
54 #endif 55 #endif
55 56
56 #ifdef CONFIG_CPU_SH5 57 #ifdef CONFIG_CPU_SH5
57 #include <cpu/irq.h> 58 #include <cpu/irq.h>
58 #endif 59 #endif
59 60
60 #endif /* __ASM_SH_IRQ_H */ 61 #endif /* __ASM_SH_IRQ_H */
61 62