free_irq9
Free an interrupt allocated with request_irq
Usage
void free_irq(unsigned int irq, void * dev_id);
Arguments
irq
Interrupt line to free
dev_id
Device identity to free
Overview
Remove an interrupt handler. The handler is removed and if the interrupt line is no longer in use by any driver it is disabled. On a shared IRQ the caller must ensure the interrupt is disabled on the card it drives before calling this function. The function does not return until any executing interrupts for this IRQ have completed.
This function must not be called from interrupt context.
Releases
6 releases since Debian 4.0 (Etch); the text changed 5 times.