diff options
Diffstat (limited to 'arch/powerpc/kernel/iomap.c')
| -rw-r--r-- | arch/powerpc/kernel/iomap.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c new file mode 100644 index 0000000000..72862a4d3a --- /dev/null +++ b/arch/powerpc/kernel/iomap.c @@ -0,0 +1,31 @@ +// 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 */ |