mirror of https://gitee.com/openkylin/linux.git
32 lines
650 B
C
32 lines
650 B
C
// 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 */
|