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Commit d825a492 authored by Jeff Garzik's avatar Jeff Garzik
Browse files

[ISDN] HiSax bkm_a4t: split setup into two smaller functions 



No behavior changes, just code movement.  Prep for PCI hotplug API.

Well, CONFIG_PCI useless ifdef was removed.

Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent a2b66515

drivers/isdn/hisax/bkm_a4t.c

+63 −45
Original line number Diff line number Diff line
@@ -255,28 +255,11 @@ BKM_card_msg(struct IsdnCardState *cs, int mt, void *arg) 
	return (0);

}



static struct pci_dev *dev_a4t __devinitdata = NULL;



int __devinit

setup_bkm_a4t(struct IsdnCard *card)

static int __devinit a4t_pci_probe(struct pci_dev *dev_a4t,

				   struct IsdnCardState *cs,

				   u_int *found,

				   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;
@@ -284,25 +267,26 @@ setup_bkm_a4t(struct IsdnCard *card) 
	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);

			return (0);	/* end loop & function */

		*found = 1;

		*pci_memaddr = pci_resource_start(dev_a4t, 0);

		cs->irq = dev_a4t->irq;

			break;

		return (1);		/* end loop */

	}



	return (-1);			/* continue looping */

}

	if (!found) {

		printk(KERN_WARNING "HiSax: %s: Card not found\n", CardType[card->typ]);

		return (0);

	}



static int __devinit a4t_cs_init(struct IsdnCard *card,

				 struct IsdnCardState *cs,

				 u_int pci_memaddr)

{

	I20_REGISTER_FILE *pI20_Regs;



	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);

}