[POWERPC] bootwrapper: Factor out dt_set_mac_address()

This allows callers to set addresses one at a time when that would be more
convenient.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 18 insertions, 14 deletions

diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index 549463bf5eec..e5dfe4497313 100644
--- a/arch/powerpc/boot/devtree.c
+++ b/arch/powerpc/boot/devtree.c
@@ -88,29 +88,32 @@ void dt_fixup_clock(const char *path, u32 freq)
         }
 }
 
+void dt_fixup_mac_address(u32 index, const u8 *addr)
+{
+        void *devp = find_node_by_prop_value(NULL, "linux,network-index",
+                                             (void*)&index, sizeof(index));
+
+        if (devp) {
+                printf("ENET%d: local-mac-address <-"
+                       " %02x:%02x:%02x:%02x:%02x:%02x\n\r", index,
+                       addr[0], addr[1], addr[2],
+                       addr[3], addr[4], addr[5]);
+
+                setprop(devp, "local-mac-address", addr, 6);
+        }
+}
+
 void __dt_fixup_mac_addresses(u32 startindex, ...)
 {
         va_list ap;
         u32 index = startindex;
-        void *devp;
         const u8 *addr;
 
         va_start(ap, startindex);
-        while ((addr = va_arg(ap, const u8 *))) {
-                devp = find_node_by_prop_value(NULL, "linux,network-index",
-                                               (void*)&index, sizeof(index));
 
-                if (devp) {
-                        printf("ENET%d: local-mac-address <-"
-                               " %02x:%02x:%02x:%02x:%02x:%02x\n\r", index,
-                               addr[0], addr[1], addr[2],
-                               addr[3], addr[4], addr[5]);
+        while ((addr = va_arg(ap, const u8 *)))
+                dt_fixup_mac_address(index++, addr);
 
-                        setprop(devp, "local-mac-address", addr, 6);
-                }
-
-                index++;
-        }
         va_end(ap);
 }
 
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index f639fcab2c44..e948e57abef8 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -161,6 +161,7 @@ static inline void *find_node_by_devtype(const void *prev,
 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(u32 index, const u8 *addr);
 void __dt_fixup_mac_addresses(u32 startindex, ...);
 #define dt_fixup_mac_addresses(...) \
         __dt_fixup_mac_addresses(0, __VA_ARGS__, NULL)