函数名称:devm_request_threaded_irq - allocate an interrupt line for a managed device*@dev: device to request interrupt for*@irq: Interrupt line to allocate*@handler: Function to be called when the IRQ occurs
函数原型:int devm_request_threaded_irq(struct device *dev, unsigned int irq, irq_handler_t handler, irq_handler_t thread_fn, unsigned long irqflags, const char *devname, void *dev_id)
返回类型:int
参数:
| 
类型 | 参数 | 名称 | 
|---|
| struct device * | dev |  | 
| unsigned int | irq |  | 
| irq_handler_t | handler |  | 
| irq_handler_t | thread_fn |  | 
| unsigned long | irqflags |  | 
| const char * | devname |  | 
| void * | dev_id |  |