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@@ -112,7 +112,6 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
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}
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}
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-
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static void __init init_work(void *data)
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{
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struct dyn_array *da = data;
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@@ -149,9 +148,27 @@ static int __init parse_nr_irq_desc(char *arg)
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early_param("nr_irq_desc", parse_nr_irq_desc);
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-static struct irq_desc *sparse_irqs;
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+struct irq_desc *sparse_irqs;
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DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
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+struct irq_desc *__irq_to_desc(unsigned int irq)
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+{
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+ struct irq_desc *desc;
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+
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+ BUG_ON(irq == -1U);
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+
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+ desc = &sparse_irqs[0];
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+ while (desc) {
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+ if (desc->irq == irq)
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+ return desc;
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+
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+ if (desc->irq == -1U)
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+ return NULL;
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+
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+ desc = desc->next;
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+ }
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+ return NULL;
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+}
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struct irq_desc *irq_to_desc(unsigned int irq)
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{
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struct irq_desc *desc, *desc_pri;
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@@ -208,8 +225,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
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return desc;
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}
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#else
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-
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-static struct irq_desc *irq_desc;
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+struct irq_desc *irq_desc;
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DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
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#endif
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@@ -239,6 +255,10 @@ struct irq_desc *irq_to_desc(unsigned int irq)
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return NULL;
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}
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+struct irq_desc *__irq_to_desc(unsigned int irq)
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+{
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+ return irq_to_desc(irq);
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+}
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#endif
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/*
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