iomap.c (650B)
1// SPDX-License-Identifier: GPL-2.0 2/* 3 * ppc64 "iomap" interface implementation. 4 * 5 * (C) Copyright 2004 Linus Torvalds 6 */ 7#include <linux/pci.h> 8#include <linux/mm.h> 9#include <linux/export.h> 10#include <asm/io.h> 11#include <asm/pci-bridge.h> 12#include <asm/isa-bridge.h> 13 14void __iomem *ioport_map(unsigned long port, unsigned int len) 15{ 16 return (void __iomem *) (port + _IO_BASE); 17} 18EXPORT_SYMBOL(ioport_map); 19 20#ifdef CONFIG_PCI 21void pci_iounmap(struct pci_dev *dev, void __iomem *addr) 22{ 23 if (isa_vaddr_is_ioport(addr)) 24 return; 25 if (pcibios_vaddr_is_ioport(addr)) 26 return; 27 iounmap(addr); 28} 29 30EXPORT_SYMBOL(pci_iounmap); 31#endif /* CONFIG_PCI */