diff options
-rw-r--r-- | arch/x86/kernel/io_apic.c | 8 | ||||
-rw-r--r-- | include/linux/irq.h | 6 | ||||
-rw-r--r-- | init/main.c | 7 | ||||
-rw-r--r-- | kernel/irq/handle.c | 7 |
4 files changed, 17 insertions, 11 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 2fe543f58ac8..976039377846 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c | |||
@@ -170,7 +170,7 @@ static struct irq_cfg irq_cfgx[NR_IRQS] = { | |||
170 | [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, | 170 | [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, |
171 | }; | 171 | }; |
172 | 172 | ||
173 | void __init arch_early_irq_init(void) | 173 | int __init arch_early_irq_init(void) |
174 | { | 174 | { |
175 | struct irq_cfg *cfg; | 175 | struct irq_cfg *cfg; |
176 | struct irq_desc *desc; | 176 | struct irq_desc *desc; |
@@ -184,6 +184,8 @@ void __init arch_early_irq_init(void) | |||
184 | desc = irq_to_desc(i); | 184 | desc = irq_to_desc(i); |
185 | desc->chip_data = &cfg[i]; | 185 | desc->chip_data = &cfg[i]; |
186 | } | 186 | } |
187 | |||
188 | return 0; | ||
187 | } | 189 | } |
188 | 190 | ||
189 | #ifdef CONFIG_SPARSE_IRQ | 191 | #ifdef CONFIG_SPARSE_IRQ |
@@ -212,7 +214,7 @@ static struct irq_cfg *get_one_free_irq_cfg(int cpu) | |||
212 | return cfg; | 214 | return cfg; |
213 | } | 215 | } |
214 | 216 | ||
215 | void arch_init_chip_data(struct irq_desc *desc, int cpu) | 217 | int arch_init_chip_data(struct irq_desc *desc, int cpu) |
216 | { | 218 | { |
217 | struct irq_cfg *cfg; | 219 | struct irq_cfg *cfg; |
218 | 220 | ||
@@ -224,6 +226,8 @@ void arch_init_chip_data(struct irq_desc *desc, int cpu) | |||
224 | BUG_ON(1); | 226 | BUG_ON(1); |
225 | } | 227 | } |
226 | } | 228 | } |
229 | |||
230 | return 0; | ||
227 | } | 231 | } |
228 | 232 | ||
229 | #ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC | 233 | #ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC |
diff --git a/include/linux/irq.h b/include/linux/irq.h index 69da275c0ebd..0e40af4bac40 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h | |||
@@ -193,9 +193,9 @@ struct irq_desc { | |||
193 | const char *name; | 193 | const char *name; |
194 | } ____cacheline_internodealigned_in_smp; | 194 | } ____cacheline_internodealigned_in_smp; |
195 | 195 | ||
196 | extern void early_irq_init(void); | 196 | extern int early_irq_init(void); |
197 | extern void arch_early_irq_init(void); | 197 | extern int arch_early_irq_init(void); |
198 | extern void arch_init_chip_data(struct irq_desc *desc, int cpu); | 198 | extern int arch_init_chip_data(struct irq_desc *desc, int cpu); |
199 | extern void arch_init_copy_chip_data(struct irq_desc *old_desc, | 199 | extern void arch_init_copy_chip_data(struct irq_desc *old_desc, |
200 | struct irq_desc *desc, int cpu); | 200 | struct irq_desc *desc, int cpu); |
201 | extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc); | 201 | extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc); |
diff --git a/init/main.c b/init/main.c index c1f999a3cf31..c314aa15370e 100644 --- a/init/main.c +++ b/init/main.c | |||
@@ -539,13 +539,14 @@ void __init __weak thread_info_cache_init(void) | |||
539 | { | 539 | { |
540 | } | 540 | } |
541 | 541 | ||
542 | void __init __weak arch_early_irq_init(void) | 542 | int __init __weak arch_early_irq_init(void) |
543 | { | 543 | { |
544 | return 0; | ||
544 | } | 545 | } |
545 | 546 | ||
546 | void __init __weak early_irq_init(void) | 547 | int __init __weak early_irq_init(void) |
547 | { | 548 | { |
548 | arch_early_irq_init(); | 549 | return arch_early_irq_init(); |
549 | } | 550 | } |
550 | 551 | ||
551 | asmlinkage void __init start_kernel(void) | 552 | asmlinkage void __init start_kernel(void) |
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 893da67b7781..0bef3ecb7a0e 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c | |||
@@ -86,8 +86,9 @@ void init_kstat_irqs(struct irq_desc *desc, int cpu, int nr) | |||
86 | desc->kstat_irqs = (unsigned int *)ptr; | 86 | desc->kstat_irqs = (unsigned int *)ptr; |
87 | } | 87 | } |
88 | 88 | ||
89 | void __attribute__((weak)) arch_init_chip_data(struct irq_desc *desc, int cpu) | 89 | int __weak arch_init_chip_data(struct irq_desc *desc, int cpu) |
90 | { | 90 | { |
91 | return 0; | ||
91 | } | 92 | } |
92 | 93 | ||
93 | static void init_one_irq_desc(int irq, struct irq_desc *desc, int cpu) | 94 | static void init_one_irq_desc(int irq, struct irq_desc *desc, int cpu) |
@@ -132,7 +133,7 @@ static struct irq_desc irq_desc_legacy[NR_IRQS_LEGACY] __cacheline_aligned_in_sm | |||
132 | /* FIXME: use bootmem alloc ...*/ | 133 | /* FIXME: use bootmem alloc ...*/ |
133 | static unsigned int kstat_irqs_legacy[NR_IRQS_LEGACY][NR_CPUS]; | 134 | static unsigned int kstat_irqs_legacy[NR_IRQS_LEGACY][NR_CPUS]; |
134 | 135 | ||
135 | void __init early_irq_init(void) | 136 | int __init early_irq_init(void) |
136 | { | 137 | { |
137 | struct irq_desc *desc; | 138 | struct irq_desc *desc; |
138 | int legacy_count; | 139 | int legacy_count; |
@@ -151,7 +152,7 @@ void __init early_irq_init(void) | |||
151 | for (i = legacy_count; i < NR_IRQS; i++) | 152 | for (i = legacy_count; i < NR_IRQS; i++) |
152 | irq_desc_ptrs[i] = NULL; | 153 | irq_desc_ptrs[i] = NULL; |
153 | 154 | ||
154 | arch_early_irq_init(); | 155 | return arch_early_irq_init(); |
155 | } | 156 | } |
156 | 157 | ||
157 | struct irq_desc *irq_to_desc(unsigned int irq) | 158 | struct irq_desc *irq_to_desc(unsigned int irq) |