microblaze/PCI: Remove unused pci_iobar_pfn() and et al declarations

Remove unused pci_iobar_pfn() and et al declarations.
Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com>
Link: https://lore.kernel.org/r/20221025065214.4663-12-thippeswamy.havalige@amd.comSigned-off-by: Michal Simek <michal.simek@amd.com>

arch/microblaze/include/asm/pci-bridge.h

@@ -27,10 +27,8 @@ struct pci_controller {
 	struct pci_bus *bus;
 	struct device_node *dn;
 	struct list_head list_node;
-	struct device *parent;
 
 	void __iomem *io_base_virt;
-	resource_size_t io_base_phys;
 
 	/* Currently, we limit ourselves to 1 IO range and 3 mem
 	 * ranges since the common pci_bus structure can't handle more

arch/microblaze/include/asm/pci.h

@@ -32,12 +32,9 @@ extern int pci_domain_nr(struct pci_bus *bus);
 /* Decide whether to display the domain number in /proc */
 extern int pci_proc_domain(struct pci_bus *bus);
 
-struct vm_area_struct;
-
 /* Tell PCI code what kind of PCI resource mappings we support */
 #define HAVE_PCI_MMAP			1
 #define ARCH_GENERIC_PCI_MMAP_RESOURCE	1
-#define arch_can_pci_mmap_io()		1
 
 struct file;
 

arch/microblaze/pci/pci-common.c

@@ -65,25 +65,6 @@ int pcibios_vaddr_is_ioport(void __iomem *address)
 	return ret;
 }
 
-/*
- * Platform support for /proc/bus/pci/X/Y mmap()s.
- */
-
-int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma)
-{
-	struct pci_controller *hose = pci_bus_to_host(pdev->bus);
-	resource_size_t ioaddr = pci_resource_start(pdev, bar);
-
-	if (!hose)
-		return -EINVAL;		/* should never happen */
-
-	/* Convert to an offset within this PCI controller */
-	ioaddr -= (unsigned long)hose->io_base_virt - _IO_BASE;
-
-	vma->vm_pgoff += (ioaddr + hose->io_base_phys) >> PAGE_SHIFT;
-	return 0;
-}
-
 /* Display the domain number in /proc */
 int pci_proc_domain(struct pci_bus *bus)
 {