device_create_vargs man page on Scientific

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DEVICE_CREATE_VARGS(9)	 Device drivers infrastructure	DEVICE_CREATE_VARGS(9)

NAME
       device_create_vargs - creates a device and registers it with sysfs

SYNOPSIS
       struct device * device_create_vargs(struct class * class,
					   struct device * parent, dev_t devt,
					   void * drvdata, const char * fmt,
					   va_list args);

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

       fmt
	   string for the device´s name

       args
	   va_list for the device´s name

DESCRIPTION
       This function can be used by char device classes. A struct device will
       be created in sysfs, registered to the specified class.

       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.

NOTE
       the struct class passed to this function must have previously been
       created with a call to class_create.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		DEVICE_CREATE_VARGS(9)
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