diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2011-11-24 13:45:20 -0500 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2011-11-28 14:12:42 -0500 |
commit | 66eab4df288aaee75938ae99877c4f759fc6d56c (patch) | |
tree | 0b663bfe2d464a55c2a85b27140a53b32f261542 /include/asm-generic/pci_iomap.h | |
parent | 4673ca8eb3690832e76371371955a8b02e1f59d4 (diff) |
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 00000000000..8de4b73e19e --- /dev/null +++ b/include/asm-generic/pci_iomap.h | |||
@@ -0,0 +1,25 @@ | |||
1 | /* Generic I/O port emulation, based on MN10300 code | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #ifndef __ASM_GENERIC_PCI_IOMAP_H | ||
12 | #define __ASM_GENERIC_PCI_IOMAP_H | ||
13 | |||
14 | struct pci_dev; | ||
15 | #ifdef CONFIG_PCI | ||
16 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | ||
17 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | ||
18 | #else | ||
19 | static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) | ||
20 | { | ||
21 | return NULL; | ||
22 | } | ||
23 | #endif | ||
24 | |||
25 | #endif /* __ASM_GENERIC_IO_H */ | ||