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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/kernel/iomap.c | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 000000000..72862a4d3 --- /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 */ |