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[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: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-07-15 19:58:24 -04:00
parent a2b66515a7
commit d825a49259
1 changed files with 64 additions and 46 deletions
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110
drivers/isdn/hisax/bkm_a4t.c
View File

@ -255,54 +255,38 @@ 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)
{
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 */
}
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);
}