#include?
#include?
#include?
#include?

static?int?irq;
static?char?*devname;
static?struct?tasklet_struct?mytasklet;

module_param（irq?int?0644）;
module_param（devname?charp?0644）;
struct?myirq
{
	int?devid;
};
struct?myirq?mydev={1119};

static?void?mytasklet_handler（unsigned?long?data）
{
	printk（“tasklet?is?working..\n“）;
}
static?irqreturn_t?myirq_handler（int?irq?void?*dev）
{
	struct?myirq?mydev;
	static?int?count?=0;
	mydev=*（struct?myirq*）dev;
	printk（“key:%d..\n“count+1）;
	printk（“devid:%d?ISR?is?working..\n“mydev.devid）;
	printk（“Bottom?half?will?be?working..\n“）;
	tasklet_init（&mytasklet?mytasklet_handler0）;
	tasklet_schedule（&mytasklet）;
	printk（“ISR?is?leaving“）;
	count++;
	return?IRQ_HANDLED;
}

static?int?__init?myirq_init（void）
{
	printk（“Module?is?working..\n“）;
	if（request_irq（irq?myirq_handler?IRQF_SHARED?devname?&mydev）!=0）
	{
		printk（“%s?request?IRQ:%d?failed..\n“devnameirq）;
		return?-1;	
	}
	printk（“%s?rquest?IRQ:%d?success..\n“devnameirq）;
	return?0;
}

static?void?__exit?myirq_exit（void）
{
	printk（“Module?is?leaving“）;
	free_irq（irq?&mydev）;
	printk（“%s?request?IRQ?:%d?success...\n“devname?irq）;
}

module_init（myirq_init）;
module_exit（myirq_exit）;
MODULE_LICENSE（“GPL“）;