On Tue, Dec 07, 2004 at 05:34:16PM +0100, Paul Akkermans wrote:
Can you also tell me what "class_simple_device_add() " does then?
To quote the documentation (why do I write it if no one even reads
it...):
/**
* class_simple_device_add - adds a class device to sysfs for a character
driver
* @cs: pointer to the struct class_simple that this device should be
registered to.
* @dev: the dev_t for the device to be added.
* @device: a pointer to a struct device that is assiociated with this
class device.
* @fmt: string for the class device's name
*
* This function can be used by simple char device classes that do not
* implement their own class device registration. A struct class_device
will
* be created in sysfs, registered to the specified class. A "dev" file
will
* be created, showing the dev_t for the device. The pointer to the struct
* class_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_simple passed to this function must have
previously been
* created with a call to class_simple_create().
*/
Use this if you want to add sysfs (and hence, udev) support to your
driver in a very easy manner. Also see class_simple_create() for some
more documenataion.
thanks,
greg k-h
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