70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/cdev.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/uaccess.h>
|
|
#include <linux/device.h>
|
|
|
|
#include "pub.h"
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("liuchao");
|
|
|
|
|
|
extern struct bus_type my_bus;
|
|
|
|
int my_drv_probe(struct device *dev)
|
|
{
|
|
printk("%s\n", dev_name(dev));
|
|
printk("%s-%s\n", __FILE__, __func__);
|
|
return 0;
|
|
}
|
|
|
|
int my_drv_remove(struct device *dev)
|
|
{
|
|
printk("%s\n", dev->init_name);
|
|
printk("%s-%s\n", __FILE__, __func__);
|
|
return 0;
|
|
}
|
|
|
|
static struct device_driver my_drv = {
|
|
.name = "my_dev",
|
|
.bus = &my_bus,
|
|
.probe = my_drv_probe,
|
|
.remove = my_drv_remove,
|
|
};
|
|
|
|
|
|
char *name = "my_drv";
|
|
ssize_t drvname_show(struct device_driver *drv, char *buf)
|
|
{
|
|
return sprintf(buf, "%s\n", name);
|
|
}
|
|
|
|
DRIVER_ATTR_RO(drvname);
|
|
|
|
static __init int my_drv_init(void)
|
|
{
|
|
printk("my_drv init\n");
|
|
driver_register(&my_drv);
|
|
driver_create_file(&my_drv, &driver_attr_drvname);
|
|
return 0;
|
|
}
|
|
module_init(my_drv_init);
|
|
|
|
static __exit void my_drv_exit(void)
|
|
{
|
|
printk("my_drv exit\n");
|
|
driver_remove_file(&my_drv, &driver_attr_drvname);
|
|
driver_unregister(&my_drv);
|
|
}
|
|
module_exit(my_drv_exit);
|
|
|
|
|
|
|