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