diff options
Diffstat (limited to 'arch/mips/include/asm/machine.h')
| -rw-r--r-- | arch/mips/include/asm/machine.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/mips/include/asm/machine.h b/arch/mips/include/asm/machine.h index 6b444cd9526f..ecb6c7335484 100644 --- a/arch/mips/include/asm/machine.h +++ b/arch/mips/include/asm/machine.h @@ -60,4 +60,35 @@ mips_machine_is_compatible(const struct mips_machine *mach, const void *fdt) return NULL; } +/** + * struct mips_fdt_fixup - Describe a fixup to apply to an FDT + * @apply: applies the fixup to @fdt, returns zero on success else -errno + * @description: a short description of the fixup + * + * Describes a fixup applied to an FDT blob by the @apply function. The + * @description field provides a short description of the fixup intended for + * use in error messages if the @apply function returns non-zero. + */ +struct mips_fdt_fixup { + int (*apply)(void *fdt); + const char *description; +}; + +/** + * apply_mips_fdt_fixups() - apply fixups to an FDT blob + * @fdt_out: buffer in which to place the fixed-up FDT + * @fdt_out_size: the size of the @fdt_out buffer + * @fdt_in: the FDT blob + * @fixups: pointer to an array of fixups to be applied + * + * Loop through the array of fixups pointed to by @fixups, calling the apply + * function on each until either one returns an error or we reach the end of + * the list as indicated by an entry with a NULL apply field. + * + * Return: zero on success, else -errno + */ +extern int __init apply_mips_fdt_fixups(void *fdt_out, size_t fdt_out_size, + const void *fdt_in, + const struct mips_fdt_fixup *fixups); + #endif /* __MIPS_ASM_MACHINE_H__ */ |