The LinCAN driver license unified according to DCE FEE CTU head and superiors request.

[lincan.git] / lincan / src / main.c

diff --git a/lincan/src/main.c b/lincan/src/main.c
index 7e8181f3e264affa523d1772158b7ef7dbb314e1..6463147c9196ee6b42eaa2972029437b117a03bc 100644 (file)
--- a/lincan/src/main.c
+++ b/lincan/src/main.c
@@ -1,11 +1,36 @@
-/* main.c
- * Linux CAN-bus device driver.
- * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
- * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
- * email:pisa@cmp.felk.cvut.cz
- * This software is released under the GPL-License.
- * Version lincan-0.3  17 Jun 2004
- */
+/**************************************************************************/
+/* File: main.c - the CAN driver top level glue code (needs rewrite)      */
+/*                                                                        */
+/* LinCAN - (Not only) Linux CAN bus driver                               */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz>   */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz>             */
+/* Funded by OCERA and FRESCOR IST projects                               */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl>      */
+/*                                                                        */
+/* LinCAN is free software; you can redistribute it and/or modify it      */
+/* under terms of the GNU General Public License as published by the      */
+/* Free Software Foundation; either version 2, or (at your option) any    */
+/* later version.  LinCAN is distributed in the hope that it will be      */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
+/* General Public License for more details. You should have received a    */
+/* copy of the GNU General Public License along with LinCAN; see file     */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
+/* Cambridge, MA 02139, USA.                                              */
+/*                                                                        */
+/* To allow use of LinCAN in the compact embedded systems firmware        */
+/* and RT-executives (RTEMS for example), main authors agree with next    */
+/* special exception:                                                     */
+/*                                                                        */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce    */
+/* an application image/executable, does not by itself cause the          */
+/* resulting application image/executable to be covered by                */
+/* the GNU General Public License.                                        */
+/* This exception does not however invalidate any other reasons           */
+/* why the executable file might be covered by the GNU Public License.    */
+/* Publication of enhanced or derived LinCAN files is required although.  */
+/**************************************************************************/
 
 #ifndef EXPORT_SYMTAB
 #define EXPORT_SYMTAB
@@ -38,7 +63,7 @@
  #endif
 #endif
 
-#if !defined (__GENKSYMS__) 
+#if !defined (__GENKSYMS__)
 #if (defined (MODVERSIONS) && !defined(NOVER))
 #include <linux/modversions.h>
 /*#include "../include/main.ver"*/
@@ -185,7 +210,7 @@ struct mem_addr *mem_head=NULL;
 struct file_operations can_fops=
 {
  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0))
-       owner:          THIS_MODULE,    
+       owner:          THIS_MODULE,
  #endif
        read:           can_read,
        write:          can_write,
@@ -216,7 +241,7 @@ struct rtl_file_operations can_fops_rtl = {
 
 /*
  2.6 kernel attributes for sysfs
- 
+
 static ssize_t show_xxx(struct class_device *cdev, char *buf)
 {
         return sprintf(buf, "xxxx\n");
@@ -271,14 +296,14 @@ int init_module(void)
 
        for (i=0; i<hardware_p->nr_boards; i++) {
                candev=hardware_p->candevice[i];
-               if (candev->hwspecops->request_io(candev)) 
+               if (candev->hwspecops->request_io(candev))
                        goto request_io_error;
                candev->flags|=CANDEV_IO_RESERVED;
        }
 
        for (i=0; i<hardware_p->nr_boards; i++) {
                candev=hardware_p->candevice[i];
-               if (candev->hwspecops->reset(candev)) 
+               if (candev->hwspecops->reset(candev))
                        goto reset_error;
        }
 
@@ -297,7 +322,7 @@ int init_module(void)
                        }
 
                        chip->flags |= CHIP_ATTACHED;
-       
+
                        if(can_chip_setup_irq(chip)<0) {
                                CANMSG("Error to setup chip IRQ\n");
                                goto interrupt_error;
@@ -367,7 +392,7 @@ int init_module(void)
 #ifdef CONFIG_PROC_FS
        proc_error: ;
                CANMSG("Error registering /proc entry.\n");
-               goto memory_error; 
+               goto memory_error;
 #endif
 
        interrupt_error: ;
@@ -394,7 +419,7 @@ int init_module(void)
                CANMSG("No CAN devices or driver setup error.\n");
 
        register_error:
-               if ( can_del_mem_list() ) 
+               if ( can_del_mem_list() )
                        CANMSG("Error deallocating memory\n");
 
                return -ENODEV;
@@ -408,7 +433,7 @@ void cleanup_module(void)
 
 #ifdef CONFIG_PROC_FS
        if (can_delete_procdir())
-               CANMSG("Error unregistering /proc/can entry.\n"); 
+               CANMSG("Error unregistering /proc/can entry.\n");
 #endif
 
 #if defined(CONFIG_DEVFS_FS) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
@@ -445,7 +470,7 @@ void cleanup_module(void)
        canqueue_rtl_done();
        #endif /*CAN_WITH_RTL*/
 
-       if ( can_del_mem_list() ) 
+       if ( can_del_mem_list() )
                CANMSG("Error deallocating memory\n");
 
        unregister_chrdev(major,DEVICE_NAME);