[SPARC]: Make sure dev_archdata is filled in for all devices.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index 7176040..36383f7 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -420,11 +420,16 @@
 {
 	struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
 	const struct linux_prom_irqs *intr;
+	struct dev_archdata *sd;
 	int len, i;
 
 	if (!op)
 		return NULL;
 
+	sd = &op->dev.archdata;
+	sd->prom_node = dp;
+	sd->op = op;
+
 	op->node = dp;
 
 	op->clock_freq = of_getintprop_default(dp, "clock-frequency",