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| author | Stafford Horne <shorne@gmail.com> | 2022-07-23 06:49:44 +0900 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-07-22 17:34:57 -0500 |
| commit | a2912b45b0826c6fc0ca9b264d03a2dacb7a72e8 (patch) | |
| tree | 39b39b94d831b4b1d700c240ee5ed7014385b96b /include/asm-generic/pci.h | |
| parent | f619d23576f76bae9b3135d96033650ca3af611d (diff) | |
| download | linux-a2912b45b0826c6fc0ca9b264d03a2dacb7a72e8.tar.bz2 | |
asm-generic: Add new pci.h and use it
The asm/pci.h used for many newer architectures share similar definitions.
Move the common parts to asm-generic/pci.h to allow for sharing code.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/lkml/CAK8P3a0JmPeczfmMBE__vn=Jbvf=nkbpVaZCycyv40pZNCJJXQ@mail.gmail.com/
Link: https://lore.kernel.org/r/20220722214944.831438-5-shorne@gmail.com
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Pierre Morel <pmorel@linux.ibm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'include/asm-generic/pci.h')
| -rw-r--r-- | include/asm-generic/pci.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h new file mode 100644 index 000000000000..6869f1061528 --- /dev/null +++ b/include/asm-generic/pci.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __ASM_GENERIC_PCI_H +#define __ASM_GENERIC_PCI_H + +#ifndef PCIBIOS_MIN_IO +#define PCIBIOS_MIN_IO 0 +#endif + +#ifndef PCIBIOS_MIN_MEM +#define PCIBIOS_MIN_MEM 0 +#endif + +#ifndef pcibios_assign_all_busses +/* For bootloaders that do not initialize the PCI bus */ +#define pcibios_assign_all_busses() 1 +#endif + +/* Enable generic resource mapping code in drivers/pci/ */ +#define ARCH_GENERIC_PCI_MMAP_RESOURCE + +#ifdef CONFIG_PCI_DOMAINS +static inline int pci_proc_domain(struct pci_bus *bus) +{ + /* always show the domain in /proc */ + return 1; +} +#endif /* CONFIG_PCI_DOMAINS */ + +#endif /* __ASM_GENERIC_PCI_H */ |