diff options
Diffstat (limited to 'drivers/firewire/core-device.c')
| -rw-r--r-- | drivers/firewire/core-device.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 6113b896e790..9a262439e3a7 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -747,7 +747,8 @@ static void fw_device_shutdown(struct work_struct *work) container_of(work, struct fw_device, work.work); int minor = MINOR(device->device.devt); - if (time_is_after_jiffies(device->card->reset_jiffies + SHUTDOWN_DELAY) + if (time_before64(get_jiffies_64(), + device->card->reset_jiffies + SHUTDOWN_DELAY) && !list_empty(&device->card->link)) { schedule_delayed_work(&device->work, SHUTDOWN_DELAY); return; @@ -954,8 +955,9 @@ static void fw_device_init(struct work_struct *work) device->config_rom_retries++; schedule_delayed_work(&device->work, RETRY_DELAY); } else { - fw_notify("giving up on config rom for node id %x\n", - device->node_id); + if (device->node->link_on) + fw_notify("giving up on config rom for node id %x\n", + device->node_id); if (device->node == device->card->root_node) fw_schedule_bm_work(device->card, 0); fw_device_release(&device->device); @@ -1168,9 +1170,12 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) switch (event) { case FW_NODE_CREATED: - case FW_NODE_LINK_ON: - if (!node->link_on) - break; + /* + * Attempt to scan the node, regardless whether its self ID has + * the L (link active) flag set or not. Some broken devices + * send L=0 but have an up-and-running link; others send L=1 + * without actually having a link. + */ create: device = kzalloc(sizeof(*device), GFP_ATOMIC); if (device == NULL) @@ -1213,6 +1218,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) break; case FW_NODE_INITIATED_RESET: + case FW_NODE_LINK_ON: device = node->data; if (device == NULL) goto create; @@ -1230,10 +1236,10 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) break; case FW_NODE_UPDATED: - if (!node->link_on || node->data == NULL) + device = node->data; + if (device == NULL) break; - device = node->data; device->node_id = node->node_id; smp_wmb(); /* update node_id before generation */ device->generation = card->generation; |