lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

genirq: Implement irq reservation

Browse Source 
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>
This commit is contained in:
Thomas Gleixner
2010-10-12 12:31:46 +02:00
parent a98d24b71b
commit 06f6c3399e
2 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/irq.h
View File

@ -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)
{