PCI: Remove pci_fixup_cardbus()

Since 1c7f4fe ("powerpc/pci: Remove pcibios_setup_bus_devices()")
there's no architecture left setting pci_fixup_cardbus. Therefore remove
support from PCI core.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/8de7da4c-2b16-4ee1-8c42-0d04f3c821c6@gmail.com

Author: hkallweit

drivers/pci/pci.c

@@ -6806,11 +6806,6 @@ int __weak pci_ext_cfg_avail(void)
 	return 1;
 }
 
-void __weak pci_fixup_cardbus(struct pci_bus *bus)
-{
-}
-EXPORT_SYMBOL(pci_fixup_cardbus);
-
 static int __init pci_setup(char *str)
 {
 	while (str) {

drivers/pcmcia/cardbus.c

@@ -72,7 +72,6 @@ int __ref cb_alloc(struct pcmcia_socket *s)
 	pci_lock_rescan_remove();
 
 	s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
-	pci_fixup_cardbus(bus);
 
 	max = bus->busn_res.start;
 	for (pass = 0; pass < 2; pass++)

include/linux/pci.h

@@ -1139,9 +1139,6 @@ resource_size_t pcibios_align_resource(void *, const struct resource *,
 				resource_size_t,
 				resource_size_t);
 
-/* Weak but can be overridden by arch */
-void pci_fixup_cardbus(struct pci_bus *);
-
 /* Generic PCI functions used internally */
 
 void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,