Merge branch 'thermal' into release

[linux-2.6-omap-h63xx.git] / drivers / firewire / fw-topology.c

diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index 7687dca1a6902d937b9b4244dc282d6dc1d56087..8dd6703b55cd00702f64f84272d3d523d7112ec6 100644 (file)
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -355,6 +355,9 @@ report_lost_node(struct fw_card *card,
 {
        fw_node_event(card, node, FW_NODE_DESTROYED);
        fw_node_put(node);
+
+       /* Topology has changed - reset bus manager retry counter */
+       card->bm_retries = 0;
 }
 
 static void
@@ -374,6 +377,9 @@ report_found_node(struct fw_card *card,
        }
 
        fw_node_event(card, node, FW_NODE_CREATED);
+
+       /* Topology has changed - reset bus manager retry counter */
+       card->bm_retries = 0;
 }
 
 void fw_destroy_nodes(struct fw_card *card)
@@ -512,15 +518,19 @@ fw_core_handle_bus_reset(struct fw_card *card,
        struct fw_node *local_node;
        unsigned long flags;
 
-       spin_lock_irqsave(&card->lock, flags);
-
        /*
-        * If the new topology has a different self_id_count the topology
-        * changed, either nodes were added or removed. In that case we
-        * reset the IRM reset counter.
+        * If the selfID buffer is not the immediate successor of the
+        * previously processed one, we cannot reliably compare the
+        * old and new topologies.
         */
-       if (card->self_id_count != self_id_count)
+       if (!is_next_generation(generation, card->generation) &&
+           card->local_node != NULL) {
+               fw_notify("skipped bus generations, destroying all nodes\n");
+               fw_destroy_nodes(card);
                card->bm_retries = 0;
+       }
+
+       spin_lock_irqsave(&card->lock, flags);
 
        card->node_id = node_id;
        /*