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v5.14.15
 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 */
v6.8
 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 */