#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
int beep_probe(struct platform_device *pdev)
{
printk("beep_probe.....\n");
return 0;
}
int beep_remove(struct platform_device *pdev)
{
printk("beep_remove.....\n");
return 0;
}
//与设备树compatible匹配
const struct of_device_id of_match_table_test[] = {
{
.compatible = "test123456"
},
{},
};
const struct platform_device_id beep_idtable = {
.name = "beep_test",
};
struct platform_driver beep_driver = {
.probe = beep_probe,
.remove = beep_remove,
.driver = {
.owner = THIS_MODULE,
.name = "beep_test",
//设备树匹配
.of_match_table = of_match_table_test
},
.id_table = &beep_idtable
};
//设备模块加载
static int __init test_init(void)
{
int ret = 0;
printk("test_init.....\n");
//平台驱动注册到内核
ret = platform_driver_register(&beep_driver);
if (ret < 0)
{
printk("platform_driver_register error\n");
return -1;
}
printk("platform_driver_register OK\n");
return 0;
}
static void __exit test_exit(void)
{
platform_driver_unregister(&beep_driver);
printk("test_exit......\n");
}
module_init(test_init);
module_exit(test_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Deng");
MODULE_INFO(intree, "Y");
