etherlabmaster: drivers/ec_module.c@6965c23a6826 (annotated)

27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	1	/******************************************************************************
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	2	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	3	* ec_module.c
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	4	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	5	* EtherCAT-Master-Treiber
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	6	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	7	* Autoren: Wilhelm Hagemeister, Florian Pose
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	8	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	9	* $Id$
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	10	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	11	* (C) Copyright IgH 2005
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	12	* Ingenieurgemeinschaft IgH
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	13	* Heinz-Bäcker Str. 34
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	14	* D-45356 Essen
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	15	* Tel.: +49 201/61 99 31
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	16	* Fax.: +49 201/61 98 36
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	17	* E-mail: sp@igh-essen.com
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	18	*
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	19	*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	20
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	21	#include <linux/module.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	22	#include <linux/kernel.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	23	#include <linux/init.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	24
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	25	#include "ec_module.h"
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	26
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	27	/*****************************************************************************/
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	28
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	29	#define LIT(X) #X
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	30	#define STR(X) LIT(X)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	31
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	32	#define COMPILE_INFO "Revision " STR(EC_REV) \
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	33	", compiled by " STR(EC_USER) \
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	34	" at " STR(EC_DATE)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	35
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	36	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	37
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	38	int ecat_master_count = 1;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	39	EtherCAT_master_t *ecat_masters = NULL;
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	40	int *ecat_masters_reserved = NULL;
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	41
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	42	/*****************************************************************************/
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	43
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	44	MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>,"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	45	"Florian Pose <fp@igh-essen.com>");
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	46	MODULE_DESCRIPTION ("EtherCAT master driver module");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	47	MODULE_LICENSE("GPL");
34 c1e8d61fa395 Compile-Informationen hinzugef?gt. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	48	MODULE_VERSION(COMPILE_INFO);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	49
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	50	module_param(ecat_master_count, int, 1);
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	51	MODULE_PARM_DESC(ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	52	"Number of EtherCAT master to initialize.");
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	53
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	54	module_init(ecat_init_module);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	55	module_exit(ecat_cleanup_module);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	56
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	57	EXPORT_SYMBOL(EtherCAT_register_device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	58	EXPORT_SYMBOL(EtherCAT_unregister_device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	59	EXPORT_SYMBOL(EtherCAT_request);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	60	EXPORT_SYMBOL(EtherCAT_release);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	61
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	62	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	63
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	64	/**
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	65	Init-Funktion des EtherCAT-Master-Treibermodules
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	66
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	67	Initialisiert soviele Master, wie im Parameter ecat_master_count
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	68	angegeben wurde (Default ist 1).
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	69
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	70	@returns 0, wenn alles o.k., -1 bei ungueltiger Anzahl Master
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	71	oder zu wenig Speicher.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	72	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	73
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	74	int __init ecat_init_module(void)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	75	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	76	unsigned int i;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	77
34 c1e8d61fa395 Compile-Informationen hinzugef?gt. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	78	printk(KERN_ERR "EtherCAT: Master driver, %s\n", COMPILE_INFO);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	79
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	80	if (ecat_master_count < 1) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	81	printk(KERN_ERR "EtherCAT: Error - Illegal"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	82	" ecat_master_count: %i\n", ecat_master_count);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	83	return -1;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	84	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	85
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	86	printk(KERN_ERR "EtherCAT: Initializing %i EtherCAT master(s)...\n",
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	87	ecat_master_count);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	88
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	89	if ((ecat_masters =
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	90	(EtherCAT_master_t *) kmalloc(sizeof(EtherCAT_master_t)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	91	* ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	92	GFP_KERNEL)) == NULL) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	93	printk(KERN_ERR "EtherCAT: Could not allocate"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	94	" memory for EtherCAT master(s)!\n");
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	95	return -1;
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	96	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	97
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	98	if ((ecat_masters_reserved =
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	99	(int ) kmalloc(sizeof(int) ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	100	GFP_KERNEL)) == NULL) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	101	printk(KERN_ERR "EtherCAT: Could not allocate"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	102	" memory for reservation flags!\n");
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	103	kfree(ecat_masters);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	104	return -1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	105	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	106
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	107	for (i = 0; i < ecat_master_count; i++)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	108	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	109	EtherCAT_master_init(&ecat_masters[i]);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	110	ecat_masters_reserved[i] = 0;
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	111	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	112
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	113	printk(KERN_ERR "EtherCAT: Master driver initialized.\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	114
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	115	return 0;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	116	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	117
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	118	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	119
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	120	/**
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	121	Cleanup-Funktion des EtherCAT-Master-Treibermoduls
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	122
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	123	Entfernt alle Master-Instanzen.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	124	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	125
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	126	void __exit ecat_cleanup_module(void)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	127	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	128	unsigned int i;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	129
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	130	printk(KERN_ERR "EtherCAT: Cleaning up master driver...\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	131
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	132	if (ecat_masters)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	133	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	134	for (i = 0; i < ecat_master_count; i++)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	135	{
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	136	if (ecat_masters_reserved[i]) {
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	137	printk(KERN_WARNING "EtherCAT: Warning -"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	138	" Master %i is still in use!\n", i);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	139	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	140
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	141	EtherCAT_master_clear(&ecat_masters[i]);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	142	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	143
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	144	kfree(ecat_masters);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	145	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	146
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	147	printk(KERN_ERR "EtherCAT: Master driver cleaned up.\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	148	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	149
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	150	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	151
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	152	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	153	Setzt das EtherCAT-Geraet, auf dem der Master arbeitet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	154
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	155	Registriert das Geraet beim Master, der es daraufhin oeffnet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	156
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	157	@param master Der EtherCAT-Master
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	158	@param device Das EtherCAT-Geraet
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	159	@return 0, wenn alles o.k.,
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	160	< 0, wenn bereits ein Geraet registriert
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	161	oder das Geraet nicht geoeffnet werden konnte.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	162	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	163
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	164	int EtherCAT_register_device(int index, EtherCAT_device_t *device)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	165	{
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	166	if (index < 0 \|\| index >= ecat_master_count) {
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	167	printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	168	return -1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	169	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	170
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	171	return EtherCAT_master_open(&ecat_masters[index], device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	172	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	173
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	174	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	175
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	176	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	177	Loescht das EtherCAT-Geraet, auf dem der Master arbeitet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	178
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	179	@param master Der EtherCAT-Master
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	180	@param device Das EtherCAT-Geraet
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	181	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	182
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	183	void EtherCAT_unregister_device(int index, EtherCAT_device_t *device)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	184	{
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	185	if (index < 0 \|\| index >= ecat_master_count) {
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	186	printk(KERN_WARNING "EtherCAT: Master %i does not exist!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	187	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	188	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	189
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	190	EtherCAT_master_close(&ecat_masters[index], device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	191	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	192
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	193	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	194
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	195	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	196	Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	197
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	198	Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck.
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	199
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	200	@param index Index des gewuenschten Masters
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	201	@returns Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	202	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	203
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	204	EtherCAT_master_t *EtherCAT_request(int index)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	205	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	206	if (index < 0 \|\| index >= ecat_master_count) {
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	207	printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	208	return NULL;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	209	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	210
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	211	if (ecat_masters_reserved[index]) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	212	printk(KERN_ERR "EtherCAT: Master %i already in use!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	213	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	214	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	215
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	216	if (!ecat_masters[index].dev) {
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	217	printk(KERN_ERR "EtherCAT: Master %i has no device assigned yet!\n",
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	218	index);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	219	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	220	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	221
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	222	if (!ecat_masters[index].dev->module) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	223	printk(KERN_ERR "EtherCAT: Master %i device module is not set!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	224	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	225	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	226
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	227	if (!try_module_get(ecat_masters[index].dev->module)) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	228	printk(KERN_ERR "EtherCAT: Could not reserve device module!\n");
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	229	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	230	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	231
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	232	ecat_masters_reserved[index] = 1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	233
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	234	printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	235
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	236	return &ecat_masters[index];
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	237	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	238
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	239	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	240
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	241	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	242	Gibt einen zuvor reservierten EtherCAT-Master wieder frei.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	243
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	244	@param master Zeiger auf den freizugebenden EtherCAT-Master.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	245	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	246
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	247	void EtherCAT_release(EtherCAT_master_t *master)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	248	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	249	unsigned int i;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	250
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	251	for (i = 0; i < ecat_master_count; i++)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	252	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	253	if (&ecat_masters[i] == master)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	254	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	255	if (!ecat_masters[i].dev) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	256	printk(KERN_WARNING "EtherCAT: Could not release device"
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	257	"module because of no device!\n");
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	258	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	259	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	260
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	261	module_put(ecat_masters[i].dev->module);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	262	ecat_masters_reserved[i] = 0;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	263
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	264	printk(KERN_INFO "EtherCAT: Released master %i.\n", i);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	265
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	266	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	267	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	268	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	269
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	270	printk(KERN_WARNING "EtherCAT: Master %X was never reserved!\n",
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	271	(unsigned int) master);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	272	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	273
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	274	/*****************************************************************************/

author	Florian Pose <fp@igh-essen.com>
	Mon, 19 Dec 2005 08:13:11 +0000
changeset 39	6965c23a6826
parent 34	c1e8d61fa395
child 42	a22a202d0f42
permissions	-rw-r--r--