[POWERPC] bootwrapper: Add find_node_by_compatible

[linux-2.6] / arch / powerpc / boot / ops.h

diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 6036a98e646afa1aca3ff90db53396d84e158fe0..4b0544b03c640fb45d8f4aef229c7a019dc7a6ee 100644 (file)
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -46,6 +46,8 @@ struct dt_ops {
        void *(*find_node_by_prop_value)(const void *prev,
                                         const char *propname,
                                         const char *propval, int proplen);
+       void *(*find_node_by_compatible)(const void *prev,
+                                        const char *compat);
        unsigned long (*finalize)(void);
        char *(*get_path)(const void *phandle, char *buf, int len);
 };
@@ -159,9 +161,32 @@ 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;
+}
+
+static inline void *find_node_by_compatible(const void *prev,
+                                            const char *compat)
+{
+       if (dt_ops.find_node_by_compatible)
+               return dt_ops.find_node_by_compatible(prev, compat);
+
+       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(...) \