diff options
Diffstat (limited to 'arch/arm/kernel/irq.c')
-rw-r--r-- | arch/arm/kernel/irq.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 096f600dc8d8..b7c3490eaa24 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c | |||
@@ -98,17 +98,6 @@ unlock: | |||
98 | return 0; | 98 | return 0; |
99 | } | 99 | } |
100 | 100 | ||
101 | /* Handle bad interrupts */ | ||
102 | static struct irq_desc bad_irq_desc = { | ||
103 | .handle_irq = handle_bad_irq, | ||
104 | .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock), | ||
105 | }; | ||
106 | |||
107 | #ifdef CONFIG_CPUMASK_OFFSTACK | ||
108 | /* We are not allocating bad_irq_desc.affinity or .pending_mask */ | ||
109 | #error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK." | ||
110 | #endif | ||
111 | |||
112 | /* | 101 | /* |
113 | * do_IRQ handles all hardware IRQ's. Decoded IRQs should not | 102 | * do_IRQ handles all hardware IRQ's. Decoded IRQs should not |
114 | * come via this function. Instead, they should provide their | 103 | * come via this function. Instead, they should provide their |
@@ -124,10 +113,13 @@ asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs) | |||
124 | * Some hardware gives randomly wrong interrupts. Rather | 113 | * Some hardware gives randomly wrong interrupts. Rather |
125 | * than crashing, do something sensible. | 114 | * than crashing, do something sensible. |
126 | */ | 115 | */ |
127 | if (irq >= NR_IRQS) | 116 | if (unlikely(irq >= NR_IRQS)) { |
128 | handle_bad_irq(irq, &bad_irq_desc); | 117 | if (printk_ratelimit()) |
129 | else | 118 | printk(KERN_WARNING "Bad IRQ%u\n", irq); |
119 | ack_bad_irq(irq); | ||
120 | } else { | ||
130 | generic_handle_irq(irq); | 121 | generic_handle_irq(irq); |
122 | } | ||
131 | 123 | ||
132 | /* AT91 specific workaround */ | 124 | /* AT91 specific workaround */ |
133 | irq_finish(irq); | 125 | irq_finish(irq); |
@@ -165,10 +157,6 @@ void __init init_IRQ(void) | |||
165 | for (irq = 0; irq < NR_IRQS; irq++) | 157 | for (irq = 0; irq < NR_IRQS; irq++) |
166 | irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE; | 158 | irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE; |
167 | 159 | ||
168 | #ifdef CONFIG_SMP | ||
169 | cpumask_setall(bad_irq_desc.affinity); | ||
170 | bad_irq_desc.node = smp_processor_id(); | ||
171 | #endif | ||
172 | init_arch_irq(); | 160 | init_arch_irq(); |
173 | } | 161 | } |
174 | 162 | ||