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authorThomas Gleixner <tglx@linutronix.de>2010-10-12 12:31:46 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:07 +0200
commit06f6c3399e9f9ff6eafc200e80f9226c3cee0eaf (patch)
treef4d8fc67194b1a50bfe501634088b3776ca6bbd4 /include/linux/irq.h
parenta98d24b71b6e229965f18dc00d28dc71cb8fe324 (diff)
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genirq: Implement irq reservation
Mark a range of interrupts as allocated. In the SPARSE_IRQ=n case we need this to update the bitmap for the legacy irqs so the enumerator via irq_get_next_irq() works. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index cefacf9..096b74d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -400,6 +400,7 @@ static inline struct irq_2_iommu *irq_data_get_iommu(struct irq_data *d)
int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node);
void irq_free_descs(unsigned int irq, unsigned int cnt);
+int irq_reserve_irqs(unsigned int from, unsigned int cnt);
static inline int irq_alloc_desc(int node)
{