return PCIBIOS_SUCCESSFUL;
 }
 
-static struct pci_ops it8152_ops = {
+struct pci_ops it8152_ops = {
        .read = it8152_pci_read_config,
        .write = it8152_pci_write_config,
 };
 }
 
 
-struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, nr, &it8152_ops, sys, &sys->resources);
-}
-
 EXPORT_SYMBOL(dma_set_coherent_mask);
 
        return PCIBIOS_SUCCESSFUL;
 }
 
-static struct pci_ops via82c505_ops = {
+struct pci_ops via82c505_ops = {
        .read   = via82c505_read_config,
        .write  = via82c505_write_config,
 };
 {
        return (nr == 0);
 }
-
-struct pci_bus * __init via82c505_scan_bus(int nr, struct pci_sys_data *sysdata)
-{
-       if (nr == 0)
-               return pci_scan_root_bus(NULL, 0, &via82c505_ops, sysdata,
-                                        &sysdata->resources);
-
-       return NULL;
-}
 
 extern void it8152_init_irq(void);
 extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
-extern struct pci_bus *it8152_pci_scan_bus(int nr, struct pci_sys_data *sys);
+extern struct pci_ops it8152_ops;
 
 #endif /* __ASM_HARDWARE_IT8152_H */
 
 #define __ASM_MACH_PCI_H
 
 struct pci_sys_data;
+struct pci_ops;
 struct pci_bus;
 
 struct hw_pci {
        int             domain;
 #endif
        struct list_head buses;
+       struct pci_ops  *ops;
        int             nr_controllers;
        int             (*setup)(int nr, struct pci_sys_data *);
        struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
 /*
  * PCI controllers
  */
+extern struct pci_ops iop3xx_ops;
 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
-extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
 extern void iop3xx_pci_preinit(void);
 extern void iop3xx_pci_preinit_cond(void);
 
+extern struct pci_ops dc21285_ops;
 extern int dc21285_setup(int nr, struct pci_sys_data *);
-extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
 extern void dc21285_preinit(void);
 extern void dc21285_postinit(void);
 
+extern struct pci_ops via82c505_ops;
 extern int via82c505_setup(int nr, struct pci_sys_data *);
-extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
 extern void via82c505_init(void *sysdata);
 
+extern struct pci_ops pci_v3_ops;
 extern int pci_v3_setup(int nr, struct pci_sys_data *);
-extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
 extern void pci_v3_preinit(void);
 extern void pci_v3_postinit(void);
 
 
                                         &iomem_resource, sys->mem_offset);
                        }
 
-                       sys->bus = hw->scan(nr, sys);
+                       if (hw->scan)
+                               sys->bus = hw->scan(nr, sys);
+                       else
+                               sys->bus = pci_scan_root_bus(NULL, sys->busnr,
+                                               hw->ops, sys, &sys->resources);
 
                        if (!sys->bus)
                                panic("PCI: unable to scan bus!");
 
        .write = cns3xxx_pci_write_config,
 };
 
-static struct pci_bus *cns3xxx_pci_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &cns3xxx_pcie_ops, sys,
-                                &sys->resources);
-}
-
 static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
        struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
                .hw_pci = {
                        .domain = 0,
                        .nr_controllers = 1,
+                       .ops = &cns3xxx_pcie_ops,
                        .setup = cns3xxx_pci_setup,
-                       .scan = cns3xxx_pci_scan_bus,
                        .map_irq = cns3xxx_pcie_map_irq,
                },
        },
                .hw_pci = {
                        .domain = 1,
                        .nr_controllers = 1,
+                       .ops = &cns3xxx_pcie_ops,
                        .setup = cns3xxx_pci_setup,
-                       .scan = cns3xxx_pci_scan_bus,
                        .map_irq = cns3xxx_pcie_map_irq,
                },
        },
 
        .swizzle                = cats_no_swizzle,
        .map_irq                = cats_map_irq,
        .nr_controllers         = 1,
+       .ops                    = &dc21285_ops,
        .setup                  = dc21285_setup,
-       .scan                   = dc21285_scan_bus,
        .preinit                = dc21285_preinit,
        .postinit               = dc21285_postinit,
 };
 
        return PCIBIOS_SUCCESSFUL;
 }
 
-static struct pci_ops dc21285_ops = {
+struct pci_ops dc21285_ops = {
        .read   = dc21285_read_config,
        .write  = dc21285_write_config,
 };
        return 1;
 }
 
-struct pci_bus * __init dc21285_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, 0, &dc21285_ops, sys, &sys->resources);
-}
-
 #define dc21285_request_irq(_a, _b, _c, _d, _e) \
        WARN_ON(request_irq(_a, _b, _c, _d, _e) < 0)
 
 
 static struct hw_pci ebsa285_pci __initdata = {
        .map_irq                = ebsa285_map_irq,
        .nr_controllers         = 1,
+       .ops                    = &dc21285_ops,
        .setup                  = dc21285_setup,
-       .scan                   = dc21285_scan_bus,
        .preinit                = dc21285_preinit,
        .postinit               = dc21285_postinit,
 };
 
 static struct hw_pci netwinder_pci __initdata = {
        .map_irq                = netwinder_map_irq,
        .nr_controllers         = 1,
+       .ops                    = &dc21285_ops,
        .setup                  = dc21285_setup,
-       .scan                   = dc21285_scan_bus,
        .preinit                = dc21285_preinit,
        .postinit               = dc21285_postinit,
 };
 
 static struct hw_pci personal_server_pci __initdata = {
        .map_irq                = personal_server_map_irq,
        .nr_controllers         = 1,
+       .ops                    = &dc21285_ops,
        .setup                  = dc21285_setup,
-       .scan                   = dc21285_scan_bus,
        .preinit                = dc21285_preinit,
        .postinit               = dc21285_postinit,
 };
 
        .map_irq                = integrator_map_irq,
        .setup                  = pci_v3_setup,
        .nr_controllers         = 1,
-       .scan                   = pci_v3_scan_bus,
+       .ops                    = &pci_v3_ops,
        .preinit                = pci_v3_preinit,
        .postinit               = pci_v3_postinit,
 };
 
        return PCIBIOS_SUCCESSFUL;
 }
 
-static struct pci_ops pci_v3_ops = {
+struct pci_ops pci_v3_ops = {
        .read   = v3_read_config,
        .write  = v3_write_config,
 };
        return ret;
 }
 
-struct pci_bus * __init pci_v3_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &pci_v3_ops, sys,
-                                &sys->resources);
-}
-
 /*
  * V3_LB_BASE? - local bus address
  * V3_LB_MAP?  - pci bus address
 
 
 static struct hw_pci em7210_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = em7210_pci_map_irq,
 };
 
 
 
 static struct hw_pci glantank_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = glantank_pci_map_irq,
 };
 
 
 
 static struct hw_pci ep80219_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = ep80219_pci_map_irq,
 };
 
 
 static struct hw_pci iq31244_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = iq31244_pci_map_irq,
 };
 
 
 
 static struct hw_pci iq80321_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit_cond,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = iq80321_pci_map_irq,
 };
 
 
 
 static struct hw_pci n2100_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = n2100_pci_map_irq,
 };
 
 
 
 static struct hw_pci iq80331_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit_cond,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = iq80331_pci_map_irq,
 };
 
 
 
 static struct hw_pci iq80332_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &iop3xx_ops,
        .setup          = iop3xx_pci_setup,
        .preinit        = iop3xx_pci_preinit_cond,
-       .scan           = iop3xx_pci_scan_bus,
        .map_irq        = iq80332_pci_map_irq,
 };
 
 
        .write  = enp2611_pci_write_config
 };
 
-static struct pci_bus * __init enp2611_pci_scan_bus(int nr,
-                                               struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &enp2611_pci_ops, sys,
-                                &sys->resources);
-}
-
 static int __init enp2611_pci_map_irq(const struct pci_dev *dev, u8 slot,
        u8 pin)
 {
 
 struct hw_pci enp2611_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &enp2611_pci_ops,
        .setup          = enp2611_pci_setup,
        .preinit        = enp2611_pci_preinit,
-       .scan           = enp2611_pci_scan_bus,
        .map_irq        = enp2611_pci_map_irq,
 };
 
 
 
 struct pci_sys_data;
 
+extern struct pci_ops ixp2000_pci_ops;
 u32 *ixp2000_pci_config_addr(unsigned int bus, unsigned int devfn, int where);
 void ixp2000_pci_preinit(void);
 int ixp2000_pci_setup(int, struct pci_sys_data*);
-struct pci_bus* ixp2000_pci_scan_bus(int, struct pci_sys_data*);
 int ixp2000_pci_read_config(struct pci_bus*, unsigned int, int, int, u32 *);
 int ixp2000_pci_write_config(struct pci_bus*, unsigned int, int, int, u32);
 
 
 
 static struct hw_pci ixdp2400_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp2000_pci_ops,
        .setup          = ixdp2400_pci_setup,
        .preinit        = ixdp2400_pci_preinit,
        .postinit       = ixdp2400_pci_postinit,
-       .scan           = ixp2000_pci_scan_bus,
        .map_irq        = ixdp2400_pci_map_irq,
 };
 
 
 
 struct __initdata hw_pci ixdp2800_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp2000_pci_ops,
        .setup          = ixdp2800_pci_setup,
        .preinit        = ixdp2800_pci_preinit,
        .postinit       = ixdp2800_pci_postinit,
-       .scan           = ixp2000_pci_scan_bus,
        .map_irq        = ixdp2800_pci_map_irq,
 };
 
 
 
 struct hw_pci ixdp2x01_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp2000_pci_ops,
        .setup          = ixdp2x01_pci_setup,
        .preinit        = ixdp2x01_pci_preinit,
-       .scan           = ixp2000_pci_scan_bus,
        .map_irq        = ixdp2x01_pci_map_irq,
 };
 
 
 }
 
 
-static struct pci_ops ixp2000_pci_ops = {
+struct pci_ops ixp2000_pci_ops = {
        .read   = ixp2000_pci_read_config,
        .write  = ixp2000_pci_write_config
 };
 
-struct pci_bus *ixp2000_pci_scan_bus(int nr, struct pci_sys_data *sysdata)
-{
-       return pci_scan_root_bus(NULL, sysdata->busnr, &ixp2000_pci_ops,
-                                sysdata, &sysdata->resources);
-}
-
 
 int ixp2000_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
 
 void ixp23xx_restart(char, const char *);
 int ixp23xx_pci_setup(int, struct pci_sys_data *);
 void ixp23xx_pci_preinit(void);
-struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*);
+extern struct pci_ops ixp23xx_pci_ops;
 void ixp23xx_pci_slave_init(void);
 
 extern struct sys_timer ixp23xx_timer;
 
 
 struct hw_pci ixdp2351_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp23xx_pci_ops,
        .preinit        = ixp23xx_pci_preinit,
        .setup          = ixp23xx_pci_setup,
-       .scan           = ixp23xx_pci_scan_bus,
        .map_irq        = ixdp2351_map_irq,
 };
 
 
        .write  = ixp23xx_pci_write_config,
 };
 
-struct pci_bus *ixp23xx_pci_scan_bus(int nr, struct pci_sys_data *sysdata)
-{
-       return pci_scan_root_bus(NULL, sysdata->busnr, &ixp23xx_pci_ops,
-                                sysdata, &sysdata->resources);
-}
-
 int ixp23xx_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
        volatile unsigned long temp;
 
 
 static struct hw_pci roadrunner_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp23xx_pci_ops,
        .preinit        = roadrunner_pci_preinit,
        .setup          = ixp23xx_pci_setup,
-       .scan           = ixp23xx_pci_scan_bus,
        .map_irq        = roadrunner_map_irq,
 };
 
 
 
 struct hw_pci avila_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = avila_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = avila_map_irq,
 };
 
 
        return 1;
 }
 
-struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &ixp4xx_ops, sys,
-                                &sys->resources);
-}
-
 int dma_set_coherent_mask(struct device *dev, u64 mask)
 {
        if (mask >= SZ_64M - 1)
 
 
 struct hw_pci coyote_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit =        coyote_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        coyote_map_irq,
 };
 
 
 
 struct hw_pci __initdata dsmg600_pci = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = dsmg600_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = dsmg600_map_irq,
 };
 
 
 
 struct hw_pci fsg_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit =        fsg_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        fsg_map_irq,
 };
 
 
 
 struct hw_pci gateway7001_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit =        gateway7001_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        gateway7001_map_irq,
 };
 
 
 
 static struct hw_pci gmlr_hw_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = gmlr_pci_preinit,
        .postinit       = gmlr_pci_postinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = gmlr_map_irq,
 };
 
 
 
 struct hw_pci gtwx5715_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit =        gtwx5715_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        gtwx5715_map_irq,
 };
 
 
 extern void ixp4xx_pci_preinit(void);
 struct pci_sys_data;
 extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
-extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
+extern struct pci_ops ixp4xx_ops;
 
 /*
  * GPIO-functions
 
 
 struct hw_pci ixdp425_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = ixdp425_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = ixdp425_map_irq,
 };
 
 
 
 struct hw_pci ixdpg425_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit =        ixdpg425_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        ixdpg425_map_irq,
 };
 
 
 
 struct hw_pci miccpt_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = miccpt_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = miccpt_map_irq,
 };
 
 
 
 struct hw_pci __initdata nas100d_pci = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = nas100d_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = nas100d_map_irq,
 };
 
 
 
 struct hw_pci __initdata nslu2_pci = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = nslu2_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = nslu2_map_irq,
 };
 
 
 
 struct hw_pci vulcan_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ixp4xx_ops,
        .preinit        = vulcan_pci_preinit,
        .setup          = ixp4xx_setup,
-       .scan           = ixp4xx_scan_bus,
        .map_irq        = vulcan_map_irq,
 };
 
 
 
 struct hw_pci wg302v2_pci __initdata = {
        .nr_controllers = 1,
+       .ops = &ixp4xx_ops,
        .preinit =        wg302v2_pci_preinit,
        .setup =          ixp4xx_setup,
-       .scan =           ixp4xx_scan_bus,
        .map_irq =        wg302v2_map_irq,
 };
 
 
        .write  = ks8695_pci_writeconfig,
 };
 
-static struct pci_bus* __init ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &ks8695_pci_ops, sys,
-                                &sys->resources);
-}
-
 static struct resource pci_mem = {
        .name   = "PCI Memory space",
        .start  = KS8695_PCIMEM_PA,
 
 static struct hw_pci ks8695_pci __initdata = {
        .nr_controllers = 1,
+       .ops            = &ks8695_pci_ops,
        .preinit        = ks8695_pci_preinit,
        .setup          = ks8695_pci_setup,
-       .scan           = ks8695_pci_scan_bus,
        .postinit       = NULL,
        .map_irq        = NULL,
 };
 
 static struct hw_pci cmx2xx_pci __initdata = {
        .map_irq        = cmx2xx_pci_map_irq,
        .nr_controllers = 1,
+       .ops            = &it8152_ops,
        .setup          = it8152_pci_setup,
-       .scan           = it8152_pci_scan_bus,
        .preinit        = cmx2xx_pci_preinit,
 };
 
 
        return NANOENGINE_IRQ_GPIO_PCI;
 }
 
-struct pci_bus * __init pci_nanoengine_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &pci_nano_ops, sys,
-                                &sys->resources);
-}
-
 static struct resource pci_io_ports =
        DEFINE_RES_IO_NAMED(0x400, 0x400, "PCI IO");
 
 static struct hw_pci nanoengine_pci __initdata = {
        .map_irq                = pci_nanoengine_map_irq,
        .nr_controllers         = 1,
-       .scan                   = pci_nanoengine_scan_bus,
+       .ops                    = &pci_nano_ops,
        .setup                  = pci_nanoengine_setup,
 };
 
 
        .setup          = via82c505_setup,
        .map_irq        = shark_map_irq,
        .nr_controllers = 1,
-       .scan           = via82c505_scan_bus,
+       .ops            = &via82c505_ops,
        .preinit        = via82c505_preinit,
 };
 
 
 }
 
 
-struct pci_bus * __init pci_versatile_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &pci_versatile_ops, sys,
-                                &sys->resources);
-}
-
 void __init pci_versatile_preinit(void)
 {
        pcibios_min_io = 0x44000000;
 static struct hw_pci versatile_pci __initdata = {
        .map_irq                = versatile_map_irq,
        .nr_controllers         = 1,
+       .ops                    = &pci_versatile_ops,
        .setup                  = pci_versatile_setup,
-       .scan                   = pci_versatile_scan_bus,
        .preinit                = pci_versatile_preinit,
 };
 
 
        return PCIBIOS_SUCCESSFUL;
 }
 
-static struct pci_ops iop3xx_ops = {
+struct pci_ops iop3xx_ops = {
        .read   = iop3xx_read_config,
        .write  = iop3xx_write_config,
 };
        return 1;
 }
 
-struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *sys)
-{
-       return pci_scan_root_bus(NULL, sys->busnr, &iop3xx_ops, sys,
-                                &sys->resources);
-}
-
 void __init iop3xx_atu_setup(void)
 {
        /* BAR 0 ( Disabled ) */