X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/dd8f5100e766813dca62a82c6b99ebf3648f2448..fe719367cdb25978d42261513dd9810c22481960:/lincan/src/finish.c

diff --git a/lincan/src/finish.c b/lincan/src/finish.c
index 9016ae8..d1f6a87 100644
--- a/lincan/src/finish.c
+++ b/lincan/src/finish.c
@@ -1,3 +1,37 @@
+/**************************************************************************/
+/* File: finish.c - finalization of the driver operations                 */
+/*                                                                        */
+/* 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.  */
+/**************************************************************************/
+
 #include "../include/can.h"
 #include "../include/can_sysdep.h"
 #include "../include/main.h"
@@ -5,7 +39,7 @@
 #include "../include/finish.h"
 #include "../include/setup.h"
 
-
+extern int next_minor;
 /**
  * msgobj_done - destroys one CAN message object
  * @obj: pointer to CAN message object structure
@@ -23,17 +57,20 @@ void msgobj_done(struct msgobj_t *obj)
 		if(obj->hostchip->msgobj[obj->object-1] == obj)
 			obj->hostchip->msgobj[obj->object-1]=NULL;
 		else
-			CANMSG("msgobj_done: not registered in the chip_t\n");
+			CANMSG("msgobj_done: not registered in the canchip_t\n");
 		obj->hostchip=NULL;
 	}
-	
+
 	if((obj->minor>=0)) {
-		if(objects_p[obj->minor] == obj)
+		if(objects_p[obj->minor] == obj){
 			objects_p[obj->minor] = NULL;
+			if (--next_minor<0)
+				next_minor=0;
+		}
 		else
 			CANMSG("msgobj_done: not registered as minor\n");
 	}
-	
+
 	del_timer_sync(&obj->tx_timeout);
 
 	if(obj->qends) {
@@ -51,12 +88,17 @@ void msgobj_done(struct msgobj_t *obj)
  * canchip_done - destroys one CAN chip representation
  * @chip: pointer to CAN chip structure
  */
-void canchip_done(struct chip_t *chip)
+void canchip_done(struct canchip_t *chip)
 {
 
 	int i;
 	struct msgobj_t *obj;
 
+	if(chip->flags & CHIP_ATTACHED){
+		chip->chipspecops->release_chip(chip);
+		chip->flags &= ~CHIP_ATTACHED;
+	}
+
 	if((chip->hostdevice) && (chip->chip_idx>=0)) {
 		if(chip->hostdevice->chip[chip->chip_idx] == chip)
 			chip->hostdevice->chip[chip->chip_idx] = NULL;
@@ -65,17 +107,21 @@ void canchip_done(struct chip_t *chip)
 	}
 
 	can_chip_free_irq(chip);
-		
+
 	can_synchronize_irq(chip->chip_irq);
-	
+
   	for(i=0; i<chip->max_objects; i++){
 		if((obj=chip->msgobj[i])==NULL)
 			continue;
 		msgobj_done(obj);
 		can_checked_free(obj);
 	}
-	
+
 	can_checked_free(chip->chipspecops);
+       
+	if(~chip->flags & CHIP_KEEP_DATA)
+		can_checked_free(chip->chip_data);
+	chip->chip_data = NULL;
 	chip->chipspecops=NULL;
 
 }
@@ -87,19 +133,22 @@ void canchip_done(struct chip_t *chip)
 void candevice_done(struct candevice_t *candev)
 {
 	int i;
-	struct chip_t *chip;
-	
+	struct canchip_t *chip;
+
   	for(i=0; i<candev->nr_all_chips; i++){
 		if((chip=candev->chip[i])==NULL)
 			continue;
 		canchip_done(chip);
 		can_checked_free(chip);
-	
+
 	}
 	if(candev->flags & CANDEV_IO_RESERVED) {
 		candev->hwspecops->release_io(candev);
 		candev->flags &= ~CANDEV_IO_RESERVED;
 	}
+	if(candev->hwspecops->done_hw_data != NULL)
+		candev->hwspecops->done_hw_data(candev);
+
 	can_checked_free(candev->hwspecops);
 	candev->hwspecops=NULL;
 }
@@ -112,8 +161,8 @@ void canhardware_done(struct canhardware_t *canhw)
 {
 	int i;
 	struct candevice_t *candev;
-	
-  	for(i=0; i<canhw->nr_boards; i++){
+
+  	for(i=0; i<MAX_HW_CARDS; i++){
 		if((candev=canhw->candevice[i])==NULL)
 			continue;
 		candevice_done(candev);