| // SPDX-License-Identifier: GPL-2.0 | 
 | /* | 
 |  * ppc64 "iomap" interface implementation. | 
 |  * | 
 |  * (C) Copyright 2004 Linus Torvalds | 
 |  */ | 
 | #include <linux/pci.h> | 
 | #include <linux/mm.h> | 
 | #include <linux/export.h> | 
 | #include <asm/io.h> | 
 | #include <asm/pci-bridge.h> | 
 | #include <asm/isa-bridge.h> | 
 |  | 
 | void __iomem *ioport_map(unsigned long port, unsigned int len) | 
 | { | 
 | 	return (void __iomem *) (port + _IO_BASE); | 
 | } | 
 | EXPORT_SYMBOL(ioport_map); | 
 |  | 
 | #ifdef CONFIG_PCI | 
 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | 
 | { | 
 | 	if (isa_vaddr_is_ioport(addr)) | 
 | 		return; | 
 | 	if (pcibios_vaddr_is_ioport(addr)) | 
 | 		return; | 
 | 	iounmap(addr); | 
 | } | 
 |  | 
 | EXPORT_SYMBOL(pci_iounmap); | 
 | #endif /* CONFIG_PCI */ |