#register using the alloc_chrdev_region and unregister using the unregister_chrdev_region and then define the struct Sculldev and allocate the memory for it and then pointing the address of kmalloc with this struct type pointer..
RCS file: cleanup.c,v
Working file: cleanup.c
head: 1.6
branch:
locks: strict
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total revisions: 6;	selected revisions: 6
description:
use the module_exit(exitfn) and define the declaration of exitfn
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revision 1.6
date: 2014/05/06 03:28:56;  author: root;  state: Exp;  lines: +1 -0
kfree the memory allocated during kmalloc.
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revision 1.5
date: 2014/05/06 02:35:09;  author: root;  state: Exp;  lines: +2 -1
include the declaration.h in this.
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revision 1.4
date: 2014/05/06 02:32:49;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.3
date: 2014/05/06 02:30:41;  author: root;  state: Exp;  lines: +1 -1
the function name we use as __
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revision 1.2
date: 2014/05/06 02:06:30;  author: root;  state: Exp;  lines: +3 -1
call unregister_chrdev_region for the unregistration.
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revision 1.1
date: 2014/05/06 01:00:24;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: declaration.h,v
Working file: declaration.h
head: 1.3
branch:
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total revisions: 3;	selected revisions: 3
description:
declare the extern variable as dev, nod, minorno and majorno.
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revision 1.3
date: 2014/05/06 06:25:08;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
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revision 1.2
date: 2014/05/06 03:29:21;  author: root;  state: Exp;  lines: +6 -0
declare a structure SkullDev with a structure cdev define in cdev,h
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revision 1.1
date: 2014/05/06 02:07:46;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: header.h,v
Working file: header.h
head: 1.9
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total revisions: 9;	selected revisions: 9
description:
including the linux/modules.
includding the linux/init.
define GPL.
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revision 1.9
date: 2014/05/06 06:36:59;  author: root;  state: Exp;  lines: +1 -1
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revision 1.8
date: 2014/05/06 06:33:38;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.7
date: 2014/05/06 06:31:04;  author: root;  state: Exp;  lines: +2 -0
include slab.h for the kmalloc and kdev_t for the Macros MINOR and MAJOR.
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revision 1.6
date: 2014/05/06 06:26:43;  author: root;  state: Exp;  lines: +1 -0
include cdev.h header file for struct cdev
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revision 1.5
date: 2014/05/06 06:24:27;  author: root;  state: Exp;  lines: +4 -0
declare the struct SkullDev in header instead of in declaration.h.
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revision 1.4
date: 2014/05/06 02:12:04;  author: root;  state: Exp;  lines: +4 -4
redfine the macro in header file again.
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revision 1.3
date: 2014/05/06 02:03:21;  author: root;  state: Exp;  lines: +17 -0
include the linux/fs.h
difine the macros DEVNAME N
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revision 1.2
date: 2014/05/06 01:04:44;  author: root;  state: Exp;  lines: +1 -1
correct the license GPL
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revision 1.1
date: 2014/05/06 00:58:23;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: init.c,v
Working file: init.c
head: 1.12
branch:
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total revisions: 12;	selected revisions: 12
description:
use the module_init(initfn) and define the declaration of initfn
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revision 1.12
date: 2014/05/06 06:44:23;  author: root;  state: Exp;  lines: +2 -1
initilize the struct ScullDev above the function name
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revision 1.11
date: 2014/05/06 06:24:59;  author: root;  state: Exp;  lines: +5 -5
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revision 1.10
date: 2014/05/06 03:34:40;  author: root;  state: Exp;  lines: +5 -5
*** empty log message ***
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revision 1.9
date: 2014/05/06 03:31:46;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.8
date: 2014/05/06 03:26:36;  author: root;  state: Exp;  lines: +9 -0
call kmalloc and allocate the space uptp the structure SkullDev.
SkullDev is used to map the memory of the Device Driver.
defint the *skulldev which is extern and define in the struct SkullDev
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revision 1.7
date: 2014/05/06 02:55:59;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.6
date: 2014/05/06 02:31:58;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.5
date: 2014/05/06 02:30:20;  author: root;  state: Exp;  lines: +2 -2
the fuction name we use __
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revision 1.4
date: 2014/05/06 02:24:27;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
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revision 1.3
date: 2014/05/06 02:17:40;  author: root;  state: Exp;  lines: +5 -2
initialize the extern variable to MACRO within the function itself
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revision 1.2
date: 2014/05/06 02:05:12;  author: root;  state: Exp;  lines: +21 -1
call alloc chr_dev region to register the DD into kernel and then call MAJOR and MINOR to display ita majorno and mno.
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revision 1.1
date: 2014/05/06 00:59:15;  author: root;  state: Exp;
Initial revision
=============================================================================