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);
> MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor),
> 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,