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-rw-r--r--kernel/irq/irqdesc.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 2402934..d514ed6 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -455,31 +455,6 @@ EXPORT_SYMBOL_GPL(irq_free_hwirqs);
#endif
/**
- * irq_reserve_irqs - mark irqs allocated
- * @from: mark from irq number
- * @cnt: number of irqs to mark
- *
- * Returns 0 on success or an appropriate error code
- */
-int irq_reserve_irqs(unsigned int from, unsigned int cnt)
-{
- unsigned int start;
- int ret = 0;
-
- if (!cnt || (from + cnt) > nr_irqs)
- return -EINVAL;
-
- mutex_lock(&sparse_irq_lock);
- start = bitmap_find_next_zero_area(allocated_irqs, nr_irqs, from, cnt, 0);
- if (start == from)
- bitmap_set(allocated_irqs, start, cnt);
- else
- ret = -EEXIST;
- mutex_unlock(&sparse_irq_lock);
- return ret;
-}
-
-/**
* irq_get_next_irq - get next allocated irq number
* @offset: where to start the search
*
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