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-rw-r--r--arch/x86/kernel/io_apic.c8
-rw-r--r--include/linux/irq.h6
-rw-r--r--init/main.c7
-rw-r--r--kernel/irq/handle.c7
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
173void __init arch_early_irq_init(void) 173int __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
215void arch_init_chip_data(struct irq_desc *desc, int cpu) 217int 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
196extern void early_irq_init(void); 196extern int early_irq_init(void);
197extern void arch_early_irq_init(void); 197extern int arch_early_irq_init(void);
198extern void arch_init_chip_data(struct irq_desc *desc, int cpu); 198extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
199extern void arch_init_copy_chip_data(struct irq_desc *old_desc, 199extern 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);
201extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc); 201extern 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
542void __init __weak arch_early_irq_init(void) 542int __init __weak arch_early_irq_init(void)
543{ 543{
544 return 0;
544} 545}
545 546
546void __init __weak early_irq_init(void) 547int __init __weak early_irq_init(void)
547{ 548{
548 arch_early_irq_init(); 549 return arch_early_irq_init();
549} 550}
550 551
551asmlinkage void __init start_kernel(void) 552asmlinkage 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
89void __attribute__((weak)) arch_init_chip_data(struct irq_desc *desc, int cpu) 89int __weak arch_init_chip_data(struct irq_desc *desc, int cpu)
90{ 90{
91 return 0;
91} 92}
92 93
93static void init_one_irq_desc(int irq, struct irq_desc *desc, int cpu) 94static 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 ...*/
133static unsigned int kstat_irqs_legacy[NR_IRQS_LEGACY][NR_CPUS]; 134static unsigned int kstat_irqs_legacy[NR_IRQS_LEGACY][NR_CPUS];
134 135
135void __init early_irq_init(void) 136int __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
157struct irq_desc *irq_to_desc(unsigned int irq) 158struct irq_desc *irq_to_desc(unsigned int irq)