powerpc/PCI: Deprecate pci_get_bus_and_slot()

pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as
where a PCI device is present. This restricts the device drivers to be
reused for other domain numbers.

Getting ready to remove pci_get_bus_and_slot() function in favor of
pci_get_domain_bus_and_slot().

Use pci_get_domain_bus_and_slot() with a domain number of 0 as the code
is not ready to consume multiple domains and existing code used domain
number 0.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/pci_32.c

@@ -96,7 +96,8 @@ make_one_node_map(struct device_node* node, u8 pci_bus)
 		reg = of_get_property(node, "reg", NULL);
 		if (!reg)
 			continue;
-		dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));
+		dev = pci_get_domain_bus_and_slot(0, pci_bus,
+						  ((reg[0] >> 8) & 0xff));
 		if (!dev || !dev->subordinate) {
 			pci_dev_put(dev);
 			continue;

arch/powerpc/platforms/powermac/feature.c

@@ -829,7 +829,7 @@ core99_ata100_enable(struct device_node *node, long value)
 
 	if (value) {
 		if (pci_device_from_OF_node(node, &pbus, &pid) == 0)
-			pdev = pci_get_bus_and_slot(pbus, pid);
+			pdev = pci_get_domain_bus_and_slot(0, pbus, pid);
 		if (pdev == NULL)
 			return 0;
 		rc = pci_enable_device(pdev);

arch/powerpc/sysdev/mv64x60_pci.c

@@ -37,7 +37,7 @@ static ssize_t mv64x60_hs_reg_read(struct file *filp, struct kobject *kobj,
 	if (count < MV64X60_VAL_LEN_MAX)
 		return -EINVAL;
 
-	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	phb = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
 	if (!phb)
 		return -ENODEV;
 	pci_read_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, &v);
@@ -61,7 +61,7 @@ static ssize_t mv64x60_hs_reg_write(struct file *filp, struct kobject *kobj,
 	if (sscanf(buf, "%i", &v) != 1)
 		return -EINVAL;
 
-	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	phb = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
 	if (!phb)
 		return -ENODEV;
 	pci_write_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, v);