Merge branch 'isdn-cleanup' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6

* 'isdn-cleanup' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
  [ISDN] HiSax hfc_pci: minor cleanups
  [ISDN] HiSax bkm_a4t: split setup into two smaller functions
  [ISDN] HiSax enternow: split setup into 3 smaller functions
  [ISDN] HiSax netjet_u: split setup into 3 smaller functions
  [ISDN] HiSax netjet_s: code movement, prep for hotplug
  [ISDN] HiSax: move card state alloc/setup code into separate functions
  [ISDN] HiSax: move card setup into separate function

drivers/isdn/hisax/bkm_a4t.c

@@ -255,54 +255,38 @@ BKM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 	return (0);
 }
 
-static struct pci_dev *dev_a4t __devinitdata = NULL;
+static int __devinit a4t_pci_probe(struct pci_dev *dev_a4t,
+				   struct IsdnCardState *cs,
+				   u_int *found,
+				   u_int *pci_memaddr)
+{
+	u16 sub_sys;
+	u16 sub_vendor;
+
+	sub_vendor = dev_a4t->subsystem_vendor;
+	sub_sys = dev_a4t->subsystem_device;
+	if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
+		if (pci_enable_device(dev_a4t))
+			return (0);	/* end loop & function */
+		*found = 1;
+		*pci_memaddr = pci_resource_start(dev_a4t, 0);
+		cs->irq = dev_a4t->irq;
+		return (1);		/* end loop */
+	}
 
-int __devinit
-setup_bkm_a4t(struct IsdnCard *card)
+	return (-1);			/* continue looping */
+}
+
+static int __devinit a4t_cs_init(struct IsdnCard *card,
+				 struct IsdnCardState *cs,
+				 u_int pci_memaddr)
 {
-	struct IsdnCardState *cs = card->cs;
-	char tmp[64];
-	u_int pci_memaddr = 0, found = 0;
 	I20_REGISTER_FILE *pI20_Regs;
-#ifdef CONFIG_PCI
-#endif
-
-	strcpy(tmp, bkm_a4t_revision);
-	printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
-	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
-		cs->subtyp = BKM_A4T;
-	} else
-		return (0);
 
-#ifdef CONFIG_PCI
-	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
-		PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
-		u16 sub_sys;
-		u16 sub_vendor;
-
-		sub_vendor = dev_a4t->subsystem_vendor;
-		sub_sys = dev_a4t->subsystem_device;
-		if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
-			if (pci_enable_device(dev_a4t))
-				return(0);
-			found = 1;
-			pci_memaddr = pci_resource_start(dev_a4t, 0);
-			cs->irq = dev_a4t->irq;
-			break;
-		}
-	}
-	if (!found) {
-		printk(KERN_WARNING "HiSax: %s: Card not found\n", CardType[card->typ]);
-		return (0);
-	}
 	if (!cs->irq) {		/* IRQ range check ?? */
 		printk(KERN_WARNING "HiSax: %s: No IRQ\n", CardType[card->typ]);
 		return (0);
 	}
-	if (!pci_memaddr) {
-		printk(KERN_WARNING "HiSax: %s: No Memory base address\n", CardType[card->typ]);
-		return (0);
-	}
 	cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
 	/* Check suspecious address */
 	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
@@ -317,11 +301,7 @@ setup_bkm_a4t(struct IsdnCard *card)
 	cs->hw.ax.jade_adr = cs->hw.ax.base + PO_OFFSET;
 	cs->hw.ax.isac_ale = GCS_1;
 	cs->hw.ax.jade_ale = GCS_3;
-#else
-	printk(KERN_WARNING "HiSax: %s: NO_PCI_BIOS\n", CardType[card->typ]);
-	printk(KERN_WARNING "HiSax: %s: unable to configure\n", CardType[card->typ]);
-	return (0);
-#endif				/* CONFIG_PCI */
+
 	printk(KERN_INFO "HiSax: %s: Card configured at 0x%lX IRQ %d\n",
 	       CardType[card->typ], cs->hw.ax.base, cs->irq);
 
@@ -339,5 +319,43 @@ setup_bkm_a4t(struct IsdnCard *card)
 	ISACVersion(cs, "Telekom A4T:");
 	/* Jade version */
 	JadeVersion(cs, "Telekom A4T:");
+
 	return (1);
 }
+
+static struct pci_dev *dev_a4t __devinitdata = NULL;
+
+int __devinit
+setup_bkm_a4t(struct IsdnCard *card)
+{
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+	u_int pci_memaddr = 0, found = 0;
+	int ret;
+
+	strcpy(tmp, bkm_a4t_revision);
+	printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
+		cs->subtyp = BKM_A4T;
+	} else
+		return (0);
+
+	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
+		PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
+		ret = a4t_pci_probe(dev_a4t, cs, &found, &pci_memaddr);
+		if (!ret)
+			return (0);
+		if (ret > 0)
+			break;
+	}
+	if (!found) {
+		printk(KERN_WARNING "HiSax: %s: Card not found\n", CardType[card->typ]);
+		return (0);
+	}
+	if (!pci_memaddr) {
+		printk(KERN_WARNING "HiSax: %s: No Memory base address\n", CardType[card->typ]);
+		return (0);
+	}
+
+	return a4t_cs_init(card, cs, pci_memaddr);
+}

drivers/isdn/hisax/config.c

@@ -847,95 +847,10 @@ static int init_card(struct IsdnCardState *cs)
 	return 3;
 }
 
-static int checkcard(int cardnr, char *id, int *busy_flag, struct module *lockowner)
+static int hisax_cs_setup_card(struct IsdnCard *card)
 {
-	int ret = 0;
-	struct IsdnCard *card = cards + cardnr;
-	struct IsdnCardState *cs;
+	int ret;
 
-	cs = kzalloc(sizeof(struct IsdnCardState), GFP_ATOMIC);
-	if (!cs) {
-		printk(KERN_WARNING
-		       "HiSax: No memory for IsdnCardState(card %d)\n",
-		       cardnr + 1);
-		goto out;
-	}
-	card->cs = cs;
-	spin_lock_init(&cs->statlock);
-	spin_lock_init(&cs->lock);
-	cs->chanlimit = 2;	/* maximum B-channel number */
-	cs->logecho = 0;	/* No echo logging */
-	cs->cardnr = cardnr;
-	cs->debug = L1_DEB_WARN;
-	cs->HW_Flags = 0;
-	cs->busy_flag = busy_flag;
-	cs->irq_flags = I4L_IRQ_FLAG;
-#if TEI_PER_CARD
-	if (card->protocol == ISDN_PTYPE_NI1)
-		test_and_set_bit(FLG_TWO_DCHAN, &cs->HW_Flags);
-#else
-	test_and_set_bit(FLG_TWO_DCHAN, &cs->HW_Flags);
-#endif
-	cs->protocol = card->protocol;
-
-	if (card->typ <= 0 || card->typ > ISDN_CTYPE_COUNT) {
-		printk(KERN_WARNING
-		       "HiSax: Card Type %d out of range\n", card->typ);
-		goto outf_cs;
-	}
-	if (!(cs->dlog = kmalloc(MAX_DLOG_SPACE, GFP_ATOMIC))) {
-		printk(KERN_WARNING
-		       "HiSax: No memory for dlog(card %d)\n", cardnr + 1);
-		goto outf_cs;
-	}
-	if (!(cs->status_buf = kmalloc(HISAX_STATUS_BUFSIZE, GFP_ATOMIC))) {
-		printk(KERN_WARNING
-		       "HiSax: No memory for status_buf(card %d)\n",
-		       cardnr + 1);
-		goto outf_dlog;
-	}
-	cs->stlist = NULL;
-	cs->status_read = cs->status_buf;
-	cs->status_write = cs->status_buf;
-	cs->status_end = cs->status_buf + HISAX_STATUS_BUFSIZE - 1;
-	cs->typ = card->typ;
-#ifdef MODULE
-	cs->iif.owner = lockowner;
-#endif
-	strcpy(cs->iif.id, id);
-	cs->iif.channels = 2;
-	cs->iif.maxbufsize = MAX_DATA_SIZE;
-	cs->iif.hl_hdrlen = MAX_HEADER_LEN;
-	cs->iif.features =
-		ISDN_FEATURE_L2_X75I |
-		ISDN_FEATURE_L2_HDLC |
-		ISDN_FEATURE_L2_HDLC_56K |
-		ISDN_FEATURE_L2_TRANS |
-		ISDN_FEATURE_L3_TRANS |
-#ifdef	CONFIG_HISAX_1TR6
-		ISDN_FEATURE_P_1TR6 |
-#endif
-#ifdef	CONFIG_HISAX_EURO
-		ISDN_FEATURE_P_EURO |
-#endif
-#ifdef	CONFIG_HISAX_NI1
-		ISDN_FEATURE_P_NI1 |
-#endif
-		0;
-
-	cs->iif.command = HiSax_command;
-	cs->iif.writecmd = NULL;
-	cs->iif.writebuf_skb = HiSax_writebuf_skb;
-	cs->iif.readstat = HiSax_readstatus;
-	register_isdn(&cs->iif);
-	cs->myid = cs->iif.channels;
-	printk(KERN_INFO
-	       "HiSax: Card %d Protocol %s Id=%s (%d)\n", cardnr + 1,
-	       (card->protocol == ISDN_PTYPE_1TR6) ? "1TR6" :
-	       (card->protocol == ISDN_PTYPE_EURO) ? "EDSS1" :
-	       (card->protocol == ISDN_PTYPE_LEASED) ? "LEASED" :
-	       (card->protocol == ISDN_PTYPE_NI1) ? "NI1" :
-	       "NONE", cs->iif.id, cs->myid);
 	switch (card->typ) {
 #if CARD_TELES0
 	case ISDN_CTYPE_16_0:
@@ -1094,13 +1009,115 @@ static int checkcard(int cardnr, char *id, int *busy_flag, struct module *lockow
 		printk(KERN_WARNING
 		       "HiSax: Support for %s Card not selected\n",
 		       CardType[card->typ]);
-		ll_unload(cs);
+		ret = 0;
+		break;
+	}
+
+	return ret;
+}
+
+static int hisax_cs_new(int cardnr, char *id, struct IsdnCard *card,
+			struct IsdnCardState **cs_out, int *busy_flag,
+			struct module *lockowner)
+{
+	struct IsdnCardState *cs;
+
+	*cs_out = NULL;
+
+	cs = kzalloc(sizeof(struct IsdnCardState), GFP_ATOMIC);
+	if (!cs) {
+		printk(KERN_WARNING
+		       "HiSax: No memory for IsdnCardState(card %d)\n",
+		       cardnr + 1);
+		goto out;
+	}
+	card->cs = cs;
+	spin_lock_init(&cs->statlock);
+	spin_lock_init(&cs->lock);
+	cs->chanlimit = 2;	/* maximum B-channel number */
+	cs->logecho = 0;	/* No echo logging */
+	cs->cardnr = cardnr;
+	cs->debug = L1_DEB_WARN;
+	cs->HW_Flags = 0;
+	cs->busy_flag = busy_flag;
+	cs->irq_flags = I4L_IRQ_FLAG;
+#if TEI_PER_CARD
+	if (card->protocol == ISDN_PTYPE_NI1)
+		test_and_set_bit(FLG_TWO_DCHAN, &cs->HW_Flags);
+#else
+	test_and_set_bit(FLG_TWO_DCHAN, &cs->HW_Flags);
+#endif
+	cs->protocol = card->protocol;
+
+	if (card->typ <= 0 || card->typ > ISDN_CTYPE_COUNT) {
+		printk(KERN_WARNING
+		       "HiSax: Card Type %d out of range\n", card->typ);
 		goto outf_cs;
 	}
-	if (!ret) {
-		ll_unload(cs);
+	if (!(cs->dlog = kmalloc(MAX_DLOG_SPACE, GFP_ATOMIC))) {
+		printk(KERN_WARNING
+		       "HiSax: No memory for dlog(card %d)\n", cardnr + 1);
 		goto outf_cs;
 	}
+	if (!(cs->status_buf = kmalloc(HISAX_STATUS_BUFSIZE, GFP_ATOMIC))) {
+		printk(KERN_WARNING
+		       "HiSax: No memory for status_buf(card %d)\n",
+		       cardnr + 1);
+		goto outf_dlog;
+	}
+	cs->stlist = NULL;
+	cs->status_read = cs->status_buf;
+	cs->status_write = cs->status_buf;
+	cs->status_end = cs->status_buf + HISAX_STATUS_BUFSIZE - 1;
+	cs->typ = card->typ;
+#ifdef MODULE
+	cs->iif.owner = lockowner;
+#endif
+	strcpy(cs->iif.id, id);
+	cs->iif.channels = 2;
+	cs->iif.maxbufsize = MAX_DATA_SIZE;
+	cs->iif.hl_hdrlen = MAX_HEADER_LEN;
+	cs->iif.features =
+		ISDN_FEATURE_L2_X75I |
+		ISDN_FEATURE_L2_HDLC |
+		ISDN_FEATURE_L2_HDLC_56K |
+		ISDN_FEATURE_L2_TRANS |
+		ISDN_FEATURE_L3_TRANS |
+#ifdef	CONFIG_HISAX_1TR6
+		ISDN_FEATURE_P_1TR6 |
+#endif
+#ifdef	CONFIG_HISAX_EURO
+		ISDN_FEATURE_P_EURO |
+#endif
+#ifdef	CONFIG_HISAX_NI1
+		ISDN_FEATURE_P_NI1 |
+#endif
+		0;
+
+	cs->iif.command = HiSax_command;
+	cs->iif.writecmd = NULL;
+	cs->iif.writebuf_skb = HiSax_writebuf_skb;
+	cs->iif.readstat = HiSax_readstatus;
+	register_isdn(&cs->iif);
+	cs->myid = cs->iif.channels;
+
+	*cs_out = cs;
+	return 1;	/* success */
+
+outf_dlog:
+	kfree(cs->dlog);
+outf_cs:
+	kfree(cs);
+	card->cs = NULL;
+out:
+	return 0;	/* error */
+}
+
+static int hisax_cs_setup(int cardnr, struct IsdnCard *card,
+			  struct IsdnCardState *cs)
+{
+	int ret;
+
 	if (!(cs->rcvbuf = kmalloc(MAX_DFRAME_LEN_L1, GFP_ATOMIC))) {
 		printk(KERN_WARNING "HiSax: No memory for isac rcvbuf\n");
 		ll_unload(cs);
@@ -1143,11 +1160,41 @@ static int checkcard(int cardnr, char *id, int *busy_flag, struct module *lockow
 	if (!test_bit(HW_ISAR, &cs->HW_Flags))
 		ll_run(cs, 0);
 
-	ret = 1;
+	return 1;
+
+outf_cs:
+	kfree(cs);
+	card->cs = NULL;
+	return ret;
+}
+
+static int checkcard(int cardnr, char *id, int *busy_flag, struct module *lockowner)
+{
+	int ret;
+	struct IsdnCard *card = cards + cardnr;
+	struct IsdnCardState *cs;
+
+	ret = hisax_cs_new(cardnr, id, card, &cs, busy_flag, lockowner);
+	if (!ret)
+		return 0;
+
+	printk(KERN_INFO
+	       "HiSax: Card %d Protocol %s Id=%s (%d)\n", cardnr + 1,
+	       (card->protocol == ISDN_PTYPE_1TR6) ? "1TR6" :
+	       (card->protocol == ISDN_PTYPE_EURO) ? "EDSS1" :
+	       (card->protocol == ISDN_PTYPE_LEASED) ? "LEASED" :
+	       (card->protocol == ISDN_PTYPE_NI1) ? "NI1" :
+	       "NONE", cs->iif.id, cs->myid);
+
+	ret = hisax_cs_setup_card(card);
+	if (!ret) {
+		ll_unload(cs);
+		goto outf_cs;
+	}
+
+	ret = hisax_cs_setup(cardnr, card, cs);
 	goto out;
 
- outf_dlog:
-	kfree(cs->dlog);
  outf_cs:
 	kfree(cs);
 	card->cs = NULL;

drivers/isdn/hisax/enternow_pci.c

@@ -300,98 +300,72 @@ enpci_interrupt(int intno, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-
-static struct pci_dev *dev_netjet __devinitdata = NULL;
-
-/* called by config.c */
-int __devinit
-setup_enternow_pci(struct IsdnCard *card)
+static int __devinit en_pci_probe(struct pci_dev *dev_netjet,
+				  struct IsdnCardState *cs)
 {
-	int bytecnt;
-	struct IsdnCardState *cs = card->cs;
-	char tmp[64];
-
-#ifdef CONFIG_PCI
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-        strcpy(tmp, enternow_pci_rev);
-	printk(KERN_INFO "HiSax: Formula-n Europe AG enter:now ISDN PCI driver Rev. %s\n", HiSax_getrev(tmp));
-	if (cs->typ != ISDN_CTYPE_ENTERNOW)
+	if (pci_enable_device(dev_netjet))
 		return(0);
-	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
-
-	for ( ;; )
-	{
-		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
-			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
-			if (pci_enable_device(dev_netjet))
-				return(0);
-			cs->irq = dev_netjet->irq;
-			if (!cs->irq) {
-				printk(KERN_WARNING "enter:now PCI: No IRQ for PCI card found\n");
-				return(0);
-			}
-			cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
-			if (!cs->hw.njet.base) {
-				printk(KERN_WARNING "enter:now PCI: No IO-Adr for PCI card found\n");
-				return(0);
-			}
-                        /* checks Sub-Vendor ID because system crashes with Traverse-Card */
-			if ((dev_netjet->subsystem_vendor != 0x55) ||
-				(dev_netjet->subsystem_device != 0x02)) {
-				printk(KERN_WARNING "enter:now: You tried to load this driver with an incompatible TigerJet-card\n");
-                                printk(KERN_WARNING "Use type=20 for Traverse NetJet PCI Card.\n");
-                                return(0);
-                        }
-		} else {
-                        printk(KERN_WARNING "enter:now PCI: No PCI card found\n");
-			return(0);
-		}
-
-		cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
-		cs->hw.njet.isac = cs->hw.njet.base + 0xC0; // Fenster zum AMD
-
-		/* Reset an */
-		cs->hw.njet.ctrl_reg = 0x07;  // geändert von 0xff
-		outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
-		/* 20 ms Pause */
-		mdelay(20);
+	cs->irq = dev_netjet->irq;
+	if (!cs->irq) {
+		printk(KERN_WARNING "enter:now PCI: No IRQ for PCI card found\n");
+		return(0);
+	}
+	cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
+	if (!cs->hw.njet.base) {
+		printk(KERN_WARNING "enter:now PCI: No IO-Adr for PCI card found\n");
+		return(0);
+	}
+	/* checks Sub-Vendor ID because system crashes with Traverse-Card */
+	if ((dev_netjet->subsystem_vendor != 0x55) ||
+	    (dev_netjet->subsystem_device != 0x02)) {
+		printk(KERN_WARNING "enter:now: You tried to load this driver with an incompatible TigerJet-card\n");
+		printk(KERN_WARNING "Use type=20 for Traverse NetJet PCI Card.\n");
+		return(0);
+	}
 
-		cs->hw.njet.ctrl_reg = 0x30;  /* Reset Off and status read clear */
-		outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
-		mdelay(10);
+	return(1);
+}
 
-		cs->hw.njet.auxd = 0x00; // war 0xc0
-		cs->hw.njet.dmactrl = 0;
+static void __devinit en_cs_init(struct IsdnCard *card,
+				 struct IsdnCardState *cs)
+{
+	cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
+	cs->hw.njet.isac = cs->hw.njet.base + 0xC0; // Fenster zum AMD
 
-		outb(~TJ_AMD_IRQ, cs->hw.njet.base + NETJET_AUXCTRL);
-		outb(TJ_AMD_IRQ, cs->hw.njet.base + NETJET_IRQMASK1);
-		outb(cs->hw.njet.auxd, cs->hw.njet.auxa);
+	/* Reset an */
+	cs->hw.njet.ctrl_reg = 0x07;  // geändert von 0xff
+	outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
+	/* 20 ms Pause */
+	mdelay(20);
 
-		break;
-	}
-#else
+	cs->hw.njet.ctrl_reg = 0x30;  /* Reset Off and status read clear */
+	outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
+	mdelay(10);
 
-	printk(KERN_WARNING "enter:now PCI: NO_PCI_BIOS\n");
-	printk(KERN_WARNING "enter:now PCI: unable to config Formula-n enter:now ISDN PCI ab\n");
-	return (0);
+	cs->hw.njet.auxd = 0x00; // war 0xc0
+	cs->hw.njet.dmactrl = 0;
 
-#endif /* CONFIG_PCI */
+	outb(~TJ_AMD_IRQ, cs->hw.njet.base + NETJET_AUXCTRL);
+	outb(TJ_AMD_IRQ, cs->hw.njet.base + NETJET_IRQMASK1);
+	outb(cs->hw.njet.auxd, cs->hw.njet.auxa);
+}
 
-	bytecnt = 256;
+static int __devinit en_cs_init_rest(struct IsdnCard *card,
+				     struct IsdnCardState *cs)
+{
+	const int bytecnt = 256;
 
 	printk(KERN_INFO
 		"enter:now PCI: PCI card configured at 0x%lx IRQ %d\n",
 		cs->hw.njet.base, cs->irq);
 	if (!request_region(cs->hw.njet.base, bytecnt, "Fn_ISDN")) {
 		printk(KERN_WARNING
-			   "HiSax: %s config port %lx-%lx already in use\n",
-			   CardType[card->typ],
-			   cs->hw.njet.base,
-			   cs->hw.njet.base + bytecnt);
+		       "HiSax: enter:now config port %lx-%lx already in use\n",
+		       cs->hw.njet.base,
+		       cs->hw.njet.base + bytecnt);
 		return (0);
 	}
+
 	setup_Amd7930(cs);
 	cs->hw.njet.last_is0 = 0;
         /* macro rByteAMD */
@@ -407,5 +381,44 @@ setup_enternow_pci(struct IsdnCard *card)
 	cs->irq_func = &enpci_interrupt;
 	cs->irq_flags |= IRQF_SHARED;
 
-        return (1);
+	return (1);
+}
+
+static struct pci_dev *dev_netjet __devinitdata = NULL;
+
+/* called by config.c */
+int __devinit
+setup_enternow_pci(struct IsdnCard *card)
+{
+	int ret;
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+
+#ifdef __BIG_ENDIAN
+#error "not running on big endian machines now"
+#endif
+
+        strcpy(tmp, enternow_pci_rev);
+	printk(KERN_INFO "HiSax: Formula-n Europe AG enter:now ISDN PCI driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ != ISDN_CTYPE_ENTERNOW)
+		return(0);
+	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+
+	for ( ;; )
+	{
+		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
+			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
+			ret = en_pci_probe(dev_netjet, cs);
+			if (!ret)
+				return(0);
+		} else {
+                        printk(KERN_WARNING "enter:now PCI: No PCI card found\n");
+			return(0);
+		}
+
+		en_cs_init(card, cs);
+		break;
+	}
+
+        return en_cs_init_rest(card, cs);
 }

drivers/isdn/hisax/hfc_pci.c

@@ -6,7 +6,7 @@
  *              based on existing driver for CCD hfc ISA cards
  * Copyright    by Werner Cornelius  <werner@isdn4linux.de>
  *              by Karsten Keil      <keil@isdn4linux.de>
- * 
+ *
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.
  *
@@ -67,8 +67,6 @@ static const PCI_ENTRY id_list[] =
 };
 
 
-#ifdef CONFIG_PCI
-
 /******************************************/
 /* free hardware resources used by driver */
 /******************************************/
@@ -237,7 +235,7 @@ static void hfcpci_clear_fifo_rx(struct IsdnCardState *cs, int fifo)
 	if (fifo_state)
 	        cs->hw.hfcpci.fifo_en |= fifo_state;
 	Write_hfc(cs, HFCPCI_FIFO_EN, cs->hw.hfcpci.fifo_en);
-}   
+}
 
 /***************************************/
 /* clear the desired B-channel tx fifo */
@@ -263,7 +261,7 @@ static void hfcpci_clear_fifo_tx(struct IsdnCardState *cs, int fifo)
 	if (fifo_state)
 	        cs->hw.hfcpci.fifo_en |= fifo_state;
 	Write_hfc(cs, HFCPCI_FIFO_EN, cs->hw.hfcpci.fifo_en);
-}   
+}
 
 /*********************************************/
 /* read a complete B-frame out of the buffer */
@@ -511,7 +509,6 @@ main_rec_hfcpci(struct BCState *bcs)
 	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
 	if (count && receive)
 		goto Begin;
-	return;
 }
 
 /**************************/
@@ -582,7 +579,6 @@ hfcpci_fill_dfifo(struct IsdnCardState *cs)
 
 	dev_kfree_skb_any(cs->tx_skb);
 	cs->tx_skb = NULL;
-	return;
 }
 
 /**************************/
@@ -729,7 +725,6 @@ hfcpci_fill_fifo(struct BCState *bcs)
 	dev_kfree_skb_any(bcs->tx_skb);
 	bcs->tx_skb = NULL;
 	test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
-	return;
 }
 
 /**********************************************/
@@ -924,7 +919,6 @@ receive_emsg(struct IsdnCardState *cs)
 	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
 	if (count && receive)
 		goto Begin;
-	return;
 }				/* receive_emsg */
 
 /*********************/
@@ -1350,13 +1344,13 @@ mode_hfcpci(struct BCState *bcs, int mode, int bc)
 				cs->hw.hfcpci.sctrl_r |= SCTRL_B1_ENA;
 			}
 			if (fifo2) {
-			        cs->hw.hfcpci.last_bfifo_cnt[1] = 0;  
+			        cs->hw.hfcpci.last_bfifo_cnt[1] = 0;
 				cs->hw.hfcpci.fifo_en |= HFCPCI_FIFOEN_B2;
 				cs->hw.hfcpci.int_m1 |= (HFCPCI_INTS_B2TRANS + HFCPCI_INTS_B2REC);
 				cs->hw.hfcpci.ctmt &= ~2;
 				cs->hw.hfcpci.conn &= ~0x18;
 			} else {
-			        cs->hw.hfcpci.last_bfifo_cnt[0] = 0;  
+			        cs->hw.hfcpci.last_bfifo_cnt[0] = 0;
 				cs->hw.hfcpci.fifo_en |= HFCPCI_FIFOEN_B1;
 				cs->hw.hfcpci.int_m1 |= (HFCPCI_INTS_B1TRANS + HFCPCI_INTS_B1REC);
 				cs->hw.hfcpci.ctmt &= ~1;
@@ -1642,8 +1636,6 @@ hfcpci_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 /* this variable is used as card index when more than one cards are present */
 static struct pci_dev *dev_hfcpci __devinitdata = NULL;
 
-#endif				/* CONFIG_PCI */
-
 int __devinit
 setup_hfcpci(struct IsdnCard *card)
 {
@@ -1656,96 +1648,99 @@ setup_hfcpci(struct IsdnCard *card)
 #ifdef __BIG_ENDIAN
 #error "not running on big endian machines now"
 #endif
+
 	strcpy(tmp, hfcpci_revision);
 	printk(KERN_INFO "HiSax: HFC-PCI driver Rev. %s\n", HiSax_getrev(tmp));
-#ifdef CONFIG_PCI
+
 	cs->hw.hfcpci.int_s1 = 0;
 	cs->dc.hfcpci.ph_state = 0;
 	cs->hw.hfcpci.fifo = 255;
-	if (cs->typ == ISDN_CTYPE_HFC_PCI) {
-		i = 0;
-		while (id_list[i].vendor_id) {
-			tmp_hfcpci = pci_find_device(id_list[i].vendor_id,
-						     id_list[i].device_id,
-						     dev_hfcpci);
-			i++;
-			if (tmp_hfcpci) {
-				if (pci_enable_device(tmp_hfcpci))
-					continue;
-				pci_set_master(tmp_hfcpci);
-				if ((card->para[0]) && (card->para[0] != (tmp_hfcpci->resource[ 0].start & PCI_BASE_ADDRESS_IO_MASK)))
-					continue;
-				else
-					break;
-			}
-		}
-
+	if (cs->typ != ISDN_CTYPE_HFC_PCI)
+		return(0);
+
+	i = 0;
+	while (id_list[i].vendor_id) {
+		tmp_hfcpci = pci_find_device(id_list[i].vendor_id,
+					     id_list[i].device_id,
+					     dev_hfcpci);
+		i++;
 		if (tmp_hfcpci) {
-			i--;
-			dev_hfcpci = tmp_hfcpci;	/* old device */
-			cs->hw.hfcpci.dev = dev_hfcpci;
-			cs->irq = dev_hfcpci->irq;
-			if (!cs->irq) {
-				printk(KERN_WARNING "HFC-PCI: No IRQ for PCI card found\n");
-				return (0);
-			}
-			cs->hw.hfcpci.pci_io = (char *)(unsigned long)dev_hfcpci->resource[1].start;
-			printk(KERN_INFO "HiSax: HFC-PCI card manufacturer: %s card name: %s\n", id_list[i].vendor_name, id_list[i].card_name);
-		} else {
-			printk(KERN_WARNING "HFC-PCI: No PCI card found\n");
-			return (0);
-		}
-		if (!cs->hw.hfcpci.pci_io) {
-			printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
-			return (0);
-		}
-		/* Allocate memory for FIFOS */
-		/* Because the HFC-PCI needs a 32K physical alignment, we */
-		/* need to allocate the double mem and align the address */
-		if (!(cs->hw.hfcpci.share_start = kmalloc(65536, GFP_KERNEL))) {
-			printk(KERN_WARNING "HFC-PCI: Error allocating memory for FIFO!\n");
-			return 0;
+			if (pci_enable_device(tmp_hfcpci))
+				continue;
+			pci_set_master(tmp_hfcpci);
+			if ((card->para[0]) && (card->para[0] != (tmp_hfcpci->resource[ 0].start & PCI_BASE_ADDRESS_IO_MASK)))
+				continue;
+			else
+				break;
 		}
-		cs->hw.hfcpci.fifos = (void *)
-		    (((ulong) cs->hw.hfcpci.share_start) & ~0x7FFF) + 0x8000;
-		pci_write_config_dword(cs->hw.hfcpci.dev, 0x80, (u_int) virt_to_bus(cs->hw.hfcpci.fifos));
-		cs->hw.hfcpci.pci_io = ioremap((ulong) cs->hw.hfcpci.pci_io, 256);
-		printk(KERN_INFO
-		       "HFC-PCI: defined at mem %p fifo %p(%#x) IRQ %d HZ %d\n",
-		       cs->hw.hfcpci.pci_io,
-		       cs->hw.hfcpci.fifos,
-		       (u_int) virt_to_bus(cs->hw.hfcpci.fifos),
-		       cs->irq, HZ);
-		spin_lock_irqsave(&cs->lock, flags);
-		pci_write_config_word(cs->hw.hfcpci.dev, PCI_COMMAND, PCI_ENA_MEMIO);	/* enable memory mapped ports, disable busmaster */
-		cs->hw.hfcpci.int_m2 = 0;	/* disable alle interrupts */
-		cs->hw.hfcpci.int_m1 = 0;
-		Write_hfc(cs, HFCPCI_INT_M1, cs->hw.hfcpci.int_m1);
-		Write_hfc(cs, HFCPCI_INT_M2, cs->hw.hfcpci.int_m2);
-		/* At this point the needed PCI config is done */
-		/* fifos are still not enabled */
-		INIT_WORK(&cs->tqueue,  hfcpci_bh);
-		cs->setstack_d = setstack_hfcpci;
-		cs->BC_Send_Data = &hfcpci_send_data;
-		cs->readisac = NULL;
-		cs->writeisac = NULL;
-		cs->readisacfifo = NULL;
-		cs->writeisacfifo = NULL;
-		cs->BC_Read_Reg = NULL;
-		cs->BC_Write_Reg = NULL;
-		cs->irq_func = &hfcpci_interrupt;
-		cs->irq_flags |= IRQF_SHARED;
-		cs->hw.hfcpci.timer.function = (void *) hfcpci_Timer;
-		cs->hw.hfcpci.timer.data = (long) cs;
-		init_timer(&cs->hw.hfcpci.timer);
-		cs->cardmsg = &hfcpci_card_msg;
-		cs->auxcmd = &hfcpci_auxcmd;
-		spin_unlock_irqrestore(&cs->lock, flags);
-		return (1);
-	} else
-		return (0);	/* no valid card type */
-#else
-	printk(KERN_WARNING "HFC-PCI: NO_PCI_BIOS\n");
-	return (0);
-#endif				/* CONFIG_PCI */
+	}
+
+	if (!tmp_hfcpci) {
+		printk(KERN_WARNING "HFC-PCI: No PCI card found\n");
+		return (0);
+	}
+
+	i--;
+	dev_hfcpci = tmp_hfcpci;	/* old device */
+	cs->hw.hfcpci.dev = dev_hfcpci;
+	cs->irq = dev_hfcpci->irq;
+	if (!cs->irq) {
+		printk(KERN_WARNING "HFC-PCI: No IRQ for PCI card found\n");
+		return (0);
+	}
+	cs->hw.hfcpci.pci_io = (char *)(unsigned long)dev_hfcpci->resource[1].start;
+	printk(KERN_INFO "HiSax: HFC-PCI card manufacturer: %s card name: %s\n", id_list[i].vendor_name, id_list[i].card_name);
+
+	if (!cs->hw.hfcpci.pci_io) {
+		printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
+		return (0);
+	}
+	/* Allocate memory for FIFOS */
+	/* Because the HFC-PCI needs a 32K physical alignment, we */
+	/* need to allocate the double mem and align the address */
+	if (!(cs->hw.hfcpci.share_start = kmalloc(65536, GFP_KERNEL))) {
+		printk(KERN_WARNING "HFC-PCI: Error allocating memory for FIFO!\n");
+		return 0;
+	}
+	cs->hw.hfcpci.fifos = (void *)
+	    (((ulong) cs->hw.hfcpci.share_start) & ~0x7FFF) + 0x8000;
+	pci_write_config_dword(cs->hw.hfcpci.dev, 0x80, (u_int) virt_to_bus(cs->hw.hfcpci.fifos));
+	cs->hw.hfcpci.pci_io = ioremap((ulong) cs->hw.hfcpci.pci_io, 256);
+	printk(KERN_INFO
+	       "HFC-PCI: defined at mem %p fifo %p(%#x) IRQ %d HZ %d\n",
+	       cs->hw.hfcpci.pci_io,
+	       cs->hw.hfcpci.fifos,
+	       (u_int) virt_to_bus(cs->hw.hfcpci.fifos),
+	       cs->irq, HZ);
+
+	spin_lock_irqsave(&cs->lock, flags);
+
+	pci_write_config_word(cs->hw.hfcpci.dev, PCI_COMMAND, PCI_ENA_MEMIO);	/* enable memory mapped ports, disable busmaster */
+	cs->hw.hfcpci.int_m2 = 0;	/* disable alle interrupts */
+	cs->hw.hfcpci.int_m1 = 0;
+	Write_hfc(cs, HFCPCI_INT_M1, cs->hw.hfcpci.int_m1);
+	Write_hfc(cs, HFCPCI_INT_M2, cs->hw.hfcpci.int_m2);
+	/* At this point the needed PCI config is done */
+	/* fifos are still not enabled */
+
+	INIT_WORK(&cs->tqueue,  hfcpci_bh);
+	cs->setstack_d = setstack_hfcpci;
+	cs->BC_Send_Data = &hfcpci_send_data;
+	cs->readisac = NULL;
+	cs->writeisac = NULL;
+	cs->readisacfifo = NULL;
+	cs->writeisacfifo = NULL;
+	cs->BC_Read_Reg = NULL;
+	cs->BC_Write_Reg = NULL;
+	cs->irq_func = &hfcpci_interrupt;
+	cs->irq_flags |= IRQF_SHARED;
+	cs->hw.hfcpci.timer.function = (void *) hfcpci_Timer;
+	cs->hw.hfcpci.timer.data = (long) cs;
+	init_timer(&cs->hw.hfcpci.timer);
+	cs->cardmsg = &hfcpci_card_msg;
+	cs->auxcmd = &hfcpci_auxcmd;
+
+	spin_unlock_irqrestore(&cs->lock, flags);
+
+	return (1);
 }

drivers/isdn/hisax/nj_s.c

@@ -148,107 +148,87 @@ NETjet_S_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 	return(0);
 }
 
-static struct pci_dev *dev_netjet __devinitdata = NULL;
-
-int __devinit
-setup_netjet_s(struct IsdnCard *card)
+static int __devinit njs_pci_probe(struct pci_dev *dev_netjet,
+				   struct IsdnCardState *cs)
 {
-	int bytecnt,cfg;
-	struct IsdnCardState *cs = card->cs;
-	char tmp[64];
+	int cfg;
 
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-	strcpy(tmp, NETjet_S_revision);
-	printk(KERN_INFO "HiSax: Traverse Tech. NETjet-S driver Rev. %s\n", HiSax_getrev(tmp));
-	if (cs->typ != ISDN_CTYPE_NETJET_S)
+	if (pci_enable_device(dev_netjet))
 		return(0);
-	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+	pci_set_master(dev_netjet);
+	cs->irq = dev_netjet->irq;
+	if (!cs->irq) {
+		printk(KERN_WARNING "NETjet-S: No IRQ for PCI card found\n");
+		return(0);
+	}
+	cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
+	if (!cs->hw.njet.base) {
+		printk(KERN_WARNING "NETjet-S: No IO-Adr for PCI card found\n");
+		return(0);
+	}
+	/* the TJ300 and TJ320 must be detected, the IRQ handling is different
+	 * unfortunatly the chips use the same device ID, but the TJ320 has
+	 * the bit20 in status PCI cfg register set
+	 */
+	pci_read_config_dword(dev_netjet, 0x04, &cfg);
+	if (cfg & 0x00100000)
+		cs->subtyp = 1; /* TJ320 */
+	else
+		cs->subtyp = 0; /* TJ300 */
+	/* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG www.formula-n.com */
+	if ((dev_netjet->subsystem_vendor == 0x55) &&
+		(dev_netjet->subsystem_device == 0x02)) {
+		printk(KERN_WARNING "Netjet: You tried to load this driver with an incompatible TigerJet-card\n");
+		printk(KERN_WARNING "Use type=41 for Formula-n enter:now ISDN PCI and compatible\n");
+		return(0);
+	}
+	/* end new code */
 
-#ifdef CONFIG_PCI
+	return(1);
+}
 
-	for ( ;; )
-	{
-		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
-			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
-			if (pci_enable_device(dev_netjet))
-				return(0);
-			pci_set_master(dev_netjet);
-			cs->irq = dev_netjet->irq;
-			if (!cs->irq) {
-				printk(KERN_WARNING "NETjet-S: No IRQ for PCI card found\n");
-				return(0);
-			}
-			cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
-			if (!cs->hw.njet.base) {
-				printk(KERN_WARNING "NETjet-S: No IO-Adr for PCI card found\n");
-				return(0);
-			}
-			/* the TJ300 and TJ320 must be detected, the IRQ handling is different
-			 * unfortunatly the chips use the same device ID, but the TJ320 has
-			 * the bit20 in status PCI cfg register set
-			 */
-			pci_read_config_dword(dev_netjet, 0x04, &cfg);
-			if (cfg & 0x00100000)
-				cs->subtyp = 1; /* TJ320 */
-			else
-				cs->subtyp = 0; /* TJ300 */
-			/* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG www.formula-n.com */
-			if ((dev_netjet->subsystem_vendor == 0x55) &&
-				(dev_netjet->subsystem_device == 0x02)) {
-				printk(KERN_WARNING "Netjet: You tried to load this driver with an incompatible TigerJet-card\n");
-				printk(KERN_WARNING "Use type=41 for Formula-n enter:now ISDN PCI and compatible\n");
-				return(0);
-			}
-			/* end new code */
-		} else {
-			printk(KERN_WARNING "NETjet-S: No PCI card found\n");
-			return(0);
-		}
+static int __devinit njs_cs_init(struct IsdnCard *card,
+				 struct IsdnCardState *cs)
+{
 
-		cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
-		cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
+	cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
+	cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
 
-		cs->hw.njet.ctrl_reg = 0xff;  /* Reset On */
-		byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
-		mdelay(10);
+	cs->hw.njet.ctrl_reg = 0xff;  /* Reset On */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	mdelay(10);
 
-		cs->hw.njet.ctrl_reg = 0x00;  /* Reset Off and status read clear */
-		byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
-		mdelay(10);
+	cs->hw.njet.ctrl_reg = 0x00;  /* Reset Off and status read clear */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	mdelay(10);
 
-		cs->hw.njet.auxd = 0xC0;
-		cs->hw.njet.dmactrl = 0;
+	cs->hw.njet.auxd = 0xC0;
+	cs->hw.njet.dmactrl = 0;
 
-		byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
-		byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
-		byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
+	byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
 
-		switch ( ( ( NETjet_ReadIC( cs, ISAC_RBCH ) >> 5 ) & 3 ) )
-		{
-			case 0 :
-				break;
+	switch ( ( ( NETjet_ReadIC( cs, ISAC_RBCH ) >> 5 ) & 3 ) )
+	{
+		case 0 :
+			return 1;	/* end loop */
 
-			case 3 :
-				printk( KERN_WARNING "NETjet-S: NETspider-U PCI card found\n" );
-				continue;
+		case 3 :
+			printk( KERN_WARNING "NETjet-S: NETspider-U PCI card found\n" );
+			return -1;	/* continue looping */
 
-			default :
-				printk( KERN_WARNING "NETjet-S: No PCI card found\n" );
-				return 0;
-                }
-                break;
+		default :
+			printk( KERN_WARNING "NETjet-S: No PCI card found\n" );
+			return 0;	/* end loop & function */
 	}
-#else
-
-	printk(KERN_WARNING "NETjet-S: NO_PCI_BIOS\n");
-	printk(KERN_WARNING "NETjet-S: unable to config NETJET-S PCI\n");
-	return (0);
-
-#endif /* CONFIG_PCI */
+	return 1;			/* end loop */
+}
 
-	bytecnt = 256;
+static int __devinit njs_cs_init_rest(struct IsdnCard *card,
+				      struct IsdnCardState *cs)
+{
+	const int bytecnt = 256;
 
 	printk(KERN_INFO
 		"NETjet-S: %s card configured at %#lx IRQ %d\n",
@@ -273,5 +253,47 @@ setup_netjet_s(struct IsdnCard *card)
 	cs->irq_func = &netjet_s_interrupt;
 	cs->irq_flags |= IRQF_SHARED;
 	ISACVersion(cs, "NETjet-S:");
+
 	return (1);
 }
+
+static struct pci_dev *dev_netjet __devinitdata = NULL;
+
+int __devinit
+setup_netjet_s(struct IsdnCard *card)
+{
+	int ret;
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+
+#ifdef __BIG_ENDIAN
+#error "not running on big endian machines now"
+#endif
+	strcpy(tmp, NETjet_S_revision);
+	printk(KERN_INFO "HiSax: Traverse Tech. NETjet-S driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ != ISDN_CTYPE_NETJET_S)
+		return(0);
+	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+
+	for ( ;; )
+	{
+		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
+			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
+			ret = njs_pci_probe(dev_netjet, cs);
+			if (!ret)
+				return(0);
+		} else {
+			printk(KERN_WARNING "NETjet-S: No PCI card found\n");
+			return(0);
+		}
+
+		ret = njs_cs_init(card, cs);
+		if (!ret)
+			return(0);
+		if (ret > 0)
+			break;
+		/* otherwise, ret < 0, continue looping */
+	}
+
+	return njs_cs_init_rest(card, cs);
+}

drivers/isdn/hisax/nj_u.c

@@ -128,93 +128,69 @@ NETjet_U_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 	return(0);
 }
 
-static struct pci_dev *dev_netjet __devinitdata = NULL;
-
-int __devinit
-setup_netjet_u(struct IsdnCard *card)
+static int __devinit nju_pci_probe(struct pci_dev *dev_netjet,
+				   struct IsdnCardState *cs)
 {
-	int bytecnt;
-	struct IsdnCardState *cs = card->cs;
-	char tmp[64];
-#ifdef CONFIG_PCI
-#endif
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-	strcpy(tmp, NETjet_U_revision);
-	printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
-	if (cs->typ != ISDN_CTYPE_NETJET_U)
+	if (pci_enable_device(dev_netjet))
 		return(0);
-	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
-
-#ifdef CONFIG_PCI
+	pci_set_master(dev_netjet);
+	cs->irq = dev_netjet->irq;
+	if (!cs->irq) {
+		printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
+		return(0);
+	}
+	cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
+	if (!cs->hw.njet.base) {
+		printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
+		return(0);
+	}
 
-	for ( ;; )
-	{
-		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
-			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
-			if (pci_enable_device(dev_netjet))
-				return(0);
-			pci_set_master(dev_netjet);
-			cs->irq = dev_netjet->irq;
-			if (!cs->irq) {
-				printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
-				return(0);
-			}
-			cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
-			if (!cs->hw.njet.base) {
-				printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
-				return(0);
-			}
-		} else {
-			printk(KERN_WARNING "NETspider-U: No PCI card found\n");
-			return(0);
-		}
+	return (1);
+}
 
-		cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
-		cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
-		mdelay(10);
+static int __devinit nju_cs_init(struct IsdnCard *card,
+				 struct IsdnCardState *cs)
+{
+	cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
+	cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
+	mdelay(10);
 
-		cs->hw.njet.ctrl_reg = 0xff;  /* Reset On */
-		byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
-		mdelay(10);
+	cs->hw.njet.ctrl_reg = 0xff;  /* Reset On */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	mdelay(10);
 
-		cs->hw.njet.ctrl_reg = 0x00;  /* Reset Off and status read clear */
-		byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
-		mdelay(10);
+	cs->hw.njet.ctrl_reg = 0x00;  /* Reset Off and status read clear */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	mdelay(10);
 
-		cs->hw.njet.auxd = 0xC0;
-		cs->hw.njet.dmactrl = 0;
+	cs->hw.njet.auxd = 0xC0;
+	cs->hw.njet.dmactrl = 0;
 
-		byteout(cs->hw.njet.auxa, 0);
-		byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
-		byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
-		byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	byteout(cs->hw.njet.auxa, 0);
+	byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
+	byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
 
-		switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
-		{
-			case 3 :
-				break;
+	switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
+	{
+		case 3 :
+			return 1;	/* end loop */
 
-			case 0 :
-				printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
-				continue;
+		case 0 :
+			printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
+			return -1;	/* continue looping */
 
-			default :
-				printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
-				return 0;
-                }
-                break;
+		default :
+			printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
+			return 0;	/* end loop & function */
 	}
-#else
-
-	printk(KERN_WARNING "NETspider-U: NO_PCI_BIOS\n");
-	printk(KERN_WARNING "NETspider-U: unable to config NETspider-U PCI\n");
-	return (0);
-
-#endif /* CONFIG_PCI */
+	return 1;			/* end loop */
+}
 
-	bytecnt = 256;
+static int __devinit nju_cs_init_rest(struct IsdnCard *card,
+				      struct IsdnCardState *cs)
+{
+	const int bytecnt = 256;
 
 	printk(KERN_INFO
 		"NETspider-U: PCI card configured at %#lx IRQ %d\n",
@@ -239,5 +215,48 @@ setup_netjet_u(struct IsdnCard *card)
 	cs->irq_func = &netjet_u_interrupt;
 	cs->irq_flags |= IRQF_SHARED;
 	ICCVersion(cs, "NETspider-U:");
+
 	return (1);
 }
+
+static struct pci_dev *dev_netjet __devinitdata = NULL;
+
+int __devinit
+setup_netjet_u(struct IsdnCard *card)
+{
+	int ret;
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+
+#ifdef __BIG_ENDIAN
+#error "not running on big endian machines now"
+#endif
+
+	strcpy(tmp, NETjet_U_revision);
+	printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ != ISDN_CTYPE_NETJET_U)
+		return(0);
+	test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+
+	for ( ;; )
+	{
+		if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
+			PCI_DEVICE_ID_TIGERJET_300,  dev_netjet))) {
+			ret = nju_pci_probe(dev_netjet, cs);
+			if (!ret)
+				return(0);
+		} else {
+			printk(KERN_WARNING "NETspider-U: No PCI card found\n");
+			return(0);
+		}
+
+		ret = nju_cs_init(card, cs);
+		if (!ret)
+			return (0);
+		if (ret > 0)
+			break;
+		/* ret < 0 == continue looping */
+	}
+
+	return nju_cs_init_rest(card, cs);
+}