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misc_deregister(9) [centos man page]

MISC_DEREGISTER(9)					       Miscellaneous Devices						MISC_DEREGISTER(9)

misc_deregister - unregister a miscellaneous device SYNOPSIS
int misc_deregister(struct miscdevice * misc); ARGUMENTS
misc device to unregister DESCRIPTION
Unregister a miscellaneous device that was previously successfully registered with misc_register. Success is indicated by a zero return, a negative errno code indicates an error. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 MISC_DEREGISTER(9)

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DEVICE_CREATE_WITH_G(9) 				   Device drivers infrastructure				   DEVICE_CREATE_WITH_G(9)

device_create_with_groups - creates a device and registers it with sysfs SYNOPSIS
struct device * device_create_with_groups(struct class * class, struct device * parent, dev_t devt, void * drvdata, const struct attribute_group ** groups, const char * fmt, ...); ARGUMENTS
class pointer to the struct class that this device should be registered to parent pointer to the parent struct device of this new device, if any devt the dev_t for the char device to be added drvdata the data to be added to the device for callbacks groups NULL-terminated list of attribute groups to be created fmt string for the device's name ... variable arguments DESCRIPTION
This function can be used by char device classes. A struct device will be created in sysfs, registered to the specified class. Additional attributes specified in the groups parameter will also be created automatically. A "dev" file will be created, showing the dev_t for the device, if the dev_t is not 0,0. If a pointer to a parent struct device is passed in, the newly created struct device will be a child of that device in sysfs. The pointer to the struct device will be returned from the call. Any further sysfs files that might be required can be created using this pointer. Returns struct device pointer on success, or ERR_PTR on error. NOTE
the struct class passed to this function must have previously been created with a call to class_create. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 DEVICE_CREATE_WITH_G(9)
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