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Re: devfs_mk_cdev question

On Tue, Dec 07, 2004 at 03:16:48PM +0100, Paul Akkermans wrote:
> Hi group,
> Can anybody tell me what happens in this piece of code:
> mousedev_table[minor] = mousedev;
>  devfs_mk_cdev(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor),
>    S_IFCHR|S_IRUGO|S_IWUSR, "input/mouse%d", minor);
>  class_simple_device_add(input_class,
>     dev->dev, "mouse%d", minor);
> I am especially interested in devfs_mk_cdev and what is means.
> Can anybody help me?

It creates a devfs char device, if devfs is enabled in the kernel.

Personally I find the class_simple_device_add() stuff more interesting

Hope this helps,

greg k-h

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