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Diffstat (limited to 'arch/powerpc/boot/ops.h')
| -rw-r--r-- | arch/powerpc/boot/ops.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 6036a98e646a..5872ef1779ae 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -159,9 +159,23 @@ static inline void *find_node_by_devtype(const void *prev, return find_node_by_prop_value_str(prev, "device_type", type); } +static inline void *find_node_by_alias(const char *alias) +{ + void *devp = finddevice("/aliases"); + + if (devp) { + char path[MAX_PATH_LEN]; + if (getprop(devp, alias, path, MAX_PATH_LEN) > 0) + return finddevice(path); + } + + return NULL; +} + void dt_fixup_memory(u64 start, u64 size); void dt_fixup_cpu_clocks(u32 cpufreq, u32 tbfreq, u32 busfreq); void dt_fixup_clock(const char *path, u32 freq); +void dt_fixup_mac_address_by_alias(const char *alias, const u8 *addr); void dt_fixup_mac_address(u32 index, const u8 *addr); void __dt_fixup_mac_addresses(u32 startindex, ...); #define dt_fixup_mac_addresses(...) \ |