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| author | Michael S. Tsirkin <mst@redhat.com> | 2011-11-24 19:45:20 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2011-11-28 20:12:42 +0100 |
| commit | 66eab4df288aaee75938ae99877c4f759fc6d56c (patch) | |
| tree | 0b663bfe2d464a55c2a85b27140a53b32f261542 /include/asm-generic/pci_iomap.h | |
| parent | lib: move GENERIC_IOMAP to lib/Kconfig (diff) | |
| download | linux-66eab4df288aaee75938ae99877c4f759fc6d56c.tar.xz linux-66eab4df288aaee75938ae99877c4f759fc6d56c.zip | |
lib: add GENERIC_PCI_IOMAP
Many architectures want a generic pci_iomap but
not the rest of iomap.c. Split that to a separate .c
file and add a new config symbol. select automatically
by GENERIC_IOMAP.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/asm-generic/pci_iomap.h')
| -rw-r--r-- | include/asm-generic/pci_iomap.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h new file mode 100644 index 000000000000..8de4b73e19e2 --- /dev/null +++ b/include/asm-generic/pci_iomap.h @@ -0,0 +1,25 @@ +/* Generic I/O port emulation, based on MN10300 code + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_PCI_IOMAP_H +#define __ASM_GENERIC_PCI_IOMAP_H + +struct pci_dev; +#ifdef CONFIG_PCI +/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +#else +static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) +{ + return NULL; +} +#endif + +#endif /* __ASM_GENERIC_IO_H */ |