irq_free_descs

Name:q_free_descs - free irq descriptors*@from: Start of descriptor range*@cnt: Number of consecutive irqs to free

Proto:void irq_free_descs(unsigned int from, unsigned int cnt)

Type:void

Parameter:

Type	Parameter	Name
unsigned int	from
unsigned int	cnt

740

If from >= nr_irqs || from + cnt > nr_irqs Then Return

743

mutex_lock( & sparse_irq_lock)

744

When i < cnt cycle free_desc(from + i)

747

bitmap_clear(allocated_irqs, from, cnt)

748

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

**Caller**
Name	Describe
devm_irq_desc_release
irq_sim_init	q_sim_init - Initialize the interrupt simulator: allocate a range of* dummy interrupts.@sim: The interrupt simulator object to initialize.@num_irqs: Number of interrupts to allocate* On success: return the base of the allocated interrupt range.
irq_sim_fini	q_sim_fini - Deinitialize the interrupt simulator: free the interrupt* descriptors and allocated memory.*@sim: The interrupt simulator to tear down.
irq_reserve_ipi	q_reserve_ipi() - Setup an IPI to destination cpumask@domain: IPI domain@dest: cpumask of cpus which can receive the IPI* Allocate a virq that can be used to send IPI to any CPU in dest mask

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