Function report |
Source Code:fs\char_dev.c |
Create Date:2022-07-28 20:02:46 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:dev_del() - remove a cdev from the system*@p: the cdev structure to be removed* cdev_del() removes @p from the system, possibly freeing the structure* itself
Proto:void cdev_del(struct cdev *p)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct cdev * | p |
593 | cdev_unmap(dev, count) |
Name | Describe |
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__unregister_chrdev | __unregister_chrdev - unregister and destroy a cdev*@major: major device number*@baseminor: first of the range of minor numbers*@count: the number of minor numbers this cdev is occupying*@name: name of this range of devices* Unregister and destroy the |
cdev_device_add | dev_device_add() - add a char device and it's corresponding* struct device, linkink*@dev: the device structure*@cdev: the cdev structure* cdev_device_add() adds the char device represented by @cdev to the system,* just as cdev_add does |
cdev_device_del | dev_device_del() - inverse of cdev_device_add*@dev: the device structure*@cdev: the cdev structure* cdev_device_del() is a helper function to call cdev_del and device_del |
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