函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\char_dev.c Create Date:2022-07-29 10:32:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：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

函数原型：void cdev_device_del(struct cdev *cdev, struct device *dev)

返回类型：void

参数：

类型参数名称
struct cdev *cdev
struct device *dev
570  device_del(dev)
571  如果 dev_t, creates the sysfs "dev" 则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
调用者
名称描述
posix_clock_unregister