aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/irq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h27
1 files changed, 4 insertions, 23 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 98564dc64476..d64a6d49bdef 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -193,42 +193,23 @@ struct irq_desc {
193 const char *name; 193 const char *name;
194} ____cacheline_internodealigned_in_smp; 194} ____cacheline_internodealigned_in_smp;
195 195
196extern void early_irq_init(void);
197extern void arch_early_irq_init(void);
198extern void arch_init_chip_data(struct irq_desc *desc, int cpu);
199extern void arch_init_copy_chip_data(struct irq_desc *old_desc, 196extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
200 struct irq_desc *desc, int cpu); 197 struct irq_desc *desc, int cpu);
201extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc); 198extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
202 199
203#ifndef CONFIG_SPARSE_IRQ 200#ifndef CONFIG_SPARSE_IRQ
204extern struct irq_desc irq_desc[NR_IRQS]; 201extern struct irq_desc irq_desc[NR_IRQS];
205 202#else /* CONFIG_SPARSE_IRQ */
206static inline struct irq_desc *irq_to_desc(unsigned int irq)
207{
208 return (irq < NR_IRQS) ? irq_desc + irq : NULL;
209}
210static inline struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu)
211{
212 return irq_to_desc(irq);
213}
214
215#else
216
217extern struct irq_desc *irq_to_desc(unsigned int irq);
218extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
219extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu); 203extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
220 204
221# define for_each_irq_desc(irq, desc) \
222 for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; irq++, desc = irq_to_desc(irq))
223# define for_each_irq_desc_reverse(irq, desc) \
224 for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; irq--, desc = irq_to_desc(irq))
225
226#define kstat_irqs_this_cpu(DESC) \ 205#define kstat_irqs_this_cpu(DESC) \
227 ((DESC)->kstat_irqs[smp_processor_id()]) 206 ((DESC)->kstat_irqs[smp_processor_id()])
228#define kstat_incr_irqs_this_cpu(irqno, DESC) \ 207#define kstat_incr_irqs_this_cpu(irqno, DESC) \
229 ((DESC)->kstat_irqs[smp_processor_id()]++) 208 ((DESC)->kstat_irqs[smp_processor_id()]++)
230 209
231#endif 210#endif /* CONFIG_SPARSE_IRQ */
211
212extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
232 213
233static inline struct irq_desc * 214static inline struct irq_desc *
234irq_remap_to_desc(unsigned int irq, struct irq_desc *desc) 215irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)