Re: devfs_mk_cdev question

["Paul Akkermans" <paulakkermans@xxxxxxxxxx>]

Can you also tell me what "class_simple_device_add() " does then?

thanks again,

PA

----- Original Message ----- 
From: "Greg KH" <greg@xxxxxxxxx>
To: "Paul Akkermans" <paulakkermans@xxxxxxxxxx>
Cc: <debian-user@xxxxxxxxxxxxxxxx>; "kernel newbie" 
<kernelnewbies@xxxxxxxxxxxx>
Sent: Tuesday, December 07, 2004 4:47 PM
Subject: 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,
> >     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,
>
> greg k-h
>
> --
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