diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /include/linux/firmware-map.h | |
parent | 585583d95c5660973bc0cf64add517b040acd8a4 (diff) | |
parent | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff) | |
download | linux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz |
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of:
arch/powerpc/Kconfig
Diffstat (limited to 'include/linux/firmware-map.h')
-rw-r--r-- | include/linux/firmware-map.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h new file mode 100644 index 000000000000..acbdbcc16051 --- /dev/null +++ b/include/linux/firmware-map.h @@ -0,0 +1,74 @@ +/* + * include/linux/firmware-map.h: + * Copyright (C) 2008 SUSE LINUX Products GmbH + * by Bernhard Walle <bwalle@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License v2.0 as published by + * the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#ifndef _LINUX_FIRMWARE_MAP_H +#define _LINUX_FIRMWARE_MAP_H + +#include <linux/list.h> +#include <linux/kobject.h> + +/* + * provide a dummy interface if CONFIG_FIRMWARE_MEMMAP is disabled + */ +#ifdef CONFIG_FIRMWARE_MEMMAP + +/** + * Adds a firmware mapping entry. This function uses kmalloc() for memory + * allocation. Use firmware_map_add_early() if you want to use the bootmem + * allocator. + * + * That function must be called before late_initcall. + * + * @start: Start of the memory range. + * @end: End of the memory range (inclusive). + * @type: Type of the memory range. + * + * Returns 0 on success, or -ENOMEM if no memory could be allocated. + */ +int firmware_map_add(resource_size_t start, resource_size_t end, + const char *type); + +/** + * Adds a firmware mapping entry. This function uses the bootmem allocator + * for memory allocation. Use firmware_map_add() if you want to use kmalloc(). + * + * That function must be called before late_initcall. + * + * @start: Start of the memory range. + * @end: End of the memory range (inclusive). + * @type: Type of the memory range. + * + * Returns 0 on success, or -ENOMEM if no memory could be allocated. + */ +int firmware_map_add_early(resource_size_t start, resource_size_t end, + const char *type); + +#else /* CONFIG_FIRMWARE_MEMMAP */ + +static inline int firmware_map_add(resource_size_t start, resource_size_t end, + const char *type) +{ + return 0; +} + +static inline int firmware_map_add_early(resource_size_t start, + resource_size_t end, const char *type) +{ + return 0; +} + +#endif /* CONFIG_FIRMWARE_MEMMAP */ + +#endif /* _LINUX_FIRMWARE_MAP_H */ |