Can you also tell me what "class_simple_device_add() " does then?
thanks again,
PA
----- Original Message ----- From: "Greg KH" <[EMAIL PROTECTED]>
To: "Paul Akkermans" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>; "kernel newbie" <[EMAIL PROTECTED]>
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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