[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>

diff --git a/drivers/isdn/hisax/bkm_a4t.c b/drivers/isdn/hisax/bkm_a4t.c
index 871310d56a6e2cc7eb27c58047883815890db404..3d1bdc8431ada97b5b779b984628e1e2de1f4f5a 100644 (file)
--- a/drivers/isdn/hisax/bkm_a4t.c
+++ b/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);
+}