diff options
| -rw-r--r-- | drivers/firewire/fw-card.c | 7 | ||||
| -rw-r--r-- | drivers/firewire/fw-topology.c | 16 | ||||
| -rw-r--r-- | drivers/firewire/fw-topology.h | 6 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.h | 2 |
4 files changed, 14 insertions, 17 deletions
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index 9eb1edacd82..0aeab3218bb 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -336,8 +336,11 @@ fw_card_bm_work(struct work_struct *work) } pick_me: - /* Now figure out what gap count to set. */ - if (card->topology_type == FW_TOPOLOGY_A && + /* + * Pick a gap count from 1394a table E-1. The table doesn't cover + * the typically much larger 1394b beta repeater delays though. + */ + if (!card->beta_repeaters_present && card->root_node->max_hops < ARRAY_SIZE(gap_count_table)) gap_count = gap_count_table[card->root_node->max_hops]; else diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index 4e358506d91..77e3f827600 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c @@ -172,7 +172,8 @@ static struct fw_node *build_tree(struct fw_card *card, struct list_head stack, *h; u32 *next_sid, *end, q; int i, port_count, child_port_count, phy_id, parent_count, stack_depth; - int gap_count, topology_type; + int gap_count; + bool beta_repeaters_present; local_node = NULL; node = NULL; @@ -182,7 +183,7 @@ static struct fw_node *build_tree(struct fw_card *card, phy_id = 0; irm_node = NULL; gap_count = SELF_ID_GAP_COUNT(*sid); - topology_type = 0; + beta_repeaters_present = false; while (sid < end) { next_sid = count_ports(sid, &port_count, &child_port_count); @@ -224,11 +225,6 @@ static struct fw_node *build_tree(struct fw_card *card, if (SELF_ID_CONTENDER(q)) irm_node = node; - if (node->phy_speed == SCODE_BETA) - topology_type |= FW_TOPOLOGY_B; - else - topology_type |= FW_TOPOLOGY_A; - parent_count = 0; for (i = 0; i < port_count; i++) { @@ -278,6 +274,10 @@ static struct fw_node *build_tree(struct fw_card *card, list_add_tail(&node->link, &stack); stack_depth += 1 - child_port_count; + if (node->phy_speed == SCODE_BETA && + parent_count + child_port_count > 1) + 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 @@ -295,7 +295,7 @@ static struct fw_node *build_tree(struct fw_card *card, card->root_node = node; card->irm_node = irm_node; card->gap_count = gap_count; - card->topology_type = topology_type; + card->beta_repeaters_present = beta_repeaters_present; return local_node; } diff --git a/drivers/firewire/fw-topology.h b/drivers/firewire/fw-topology.h index 363b6cbcd0b..aced9f7db35 100644 --- a/drivers/firewire/fw-topology.h +++ b/drivers/firewire/fw-topology.h @@ -20,12 +20,6 @@ #define __fw_topology_h enum { - FW_TOPOLOGY_A = 0x01, - FW_TOPOLOGY_B = 0x02, - FW_TOPOLOGY_MIXED = 0x03, -}; - -enum { FW_NODE_CREATED = 0x00, FW_NODE_UPDATED = 0x01, FW_NODE_DESTROYED = 0x02, diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index f54eee4e380..5abed193f4a 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -245,7 +245,7 @@ struct fw_card { struct fw_node *irm_node; int color; int gap_count; - int topology_type; + bool beta_repeaters_present; int index; |