X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Ffirewire%2Ffw-topology.c;h=213b0ff8f3d6dd55d5edf5af91efdc21a50b638b;hb=2f69ae01c83a94af5dc3c20e8135b974687ed004;hp=e47bb040197afb229f8c1078bca1741c18e6c7fc;hpb=27d0483aa1ef66a8877d71b63bb97f46ab0246b2;p=linux-2.6

diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index e47bb04019..213b0ff8f3 100644
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/wait.h>
 #include <linux/errno.h>
+#include <asm/bug.h>
 #include <asm/system.h>
 #include "fw-transaction.h"
 #include "fw-topology.h"
@@ -107,6 +108,7 @@ static struct fw_node *fw_node_create(u32 sid, int port_count, int color)
 	node->node_id = LOCAL_BUS | SELF_ID_PHY_ID(sid);
 	node->link_on = SELF_ID_LINK_ON(sid);
 	node->phy_speed = SELF_ID_PHY_SPEED(sid);
+	node->initiated_reset = SELF_ID_PHY_INITIATOR(sid);
 	node->port_count = port_count;
 
 	atomic_set(&node->ref_count, 1);
@@ -288,12 +290,11 @@ static struct fw_node *build_tree(struct fw_card *card,
 			beta_repeaters_present = true;
 
 		/*
-		 * If all PHYs does not report the same gap count
-		 * setting, we fall back to 63 which will force a gap
-		 * count reconfiguration and a reset.
+		 * If PHYs report different gap counts, set an invalid count
+		 * which will force a gap count reconfiguration and a reset.
 		 */
 		if (SELF_ID_GAP_COUNT(q) != gap_count)
-			gap_count = 63;
+			gap_count = 0;
 
 		update_hop_count(node);
 
@@ -424,12 +425,14 @@ update_tree(struct fw_card *card, struct fw_node *root)
 	node1 = fw_node(list1.next);
 
 	while (&node0->link != &list0) {
+		WARN_ON(node0->port_count != node1->port_count);
 
-		/* assert(node0->port_count == node1->port_count); */
 		if (node0->link_on && !node1->link_on)
 			event = FW_NODE_LINK_OFF;
 		else if (!node0->link_on && node1->link_on)
 			event = FW_NODE_LINK_ON;
+		else if (node1->initiated_reset && node1->link_on)
+			event = FW_NODE_INITIATED_RESET;
 		else
 			event = FW_NODE_UPDATED;