diff options
Diffstat (limited to 'drivers/ieee1394/nodemgr.c')
| -rw-r--r-- | drivers/ieee1394/nodemgr.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 906c5a98d814..a6d55bebe61a 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -484,7 +484,7 @@ static struct device_attribute *const fw_host_attrs[] = { static ssize_t fw_show_drv_device_ids(struct device_driver *drv, char *buf) { struct hpsb_protocol_driver *driver; - struct ieee1394_device_id *id; + const struct ieee1394_device_id *id; int length = 0; char *scratch = buf; @@ -658,7 +658,7 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) { struct hpsb_protocol_driver *driver; struct unit_directory *ud; - struct ieee1394_device_id *id; + const struct ieee1394_device_id *id; /* We only match unit directories */ if (dev->platform_data != &nodemgr_ud_platform_data) @@ -971,6 +971,9 @@ static struct unit_directory *nodemgr_process_unit_directory ud->ud_kv = ud_kv; ud->id = (*id)++; + /* inherit vendor_id from root directory if none exists in unit dir */ + ud->vendor_id = ne->vendor_id; + csr1212_for_each_dir_entry(ne->csr, kv, ud_kv, dentry) { switch (kv->key.id) { case CSR1212_KV_ID_VENDOR: @@ -1265,7 +1268,8 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, csr1212_destroy_csr(csr); } - /* Mark the node current */ + /* Finally, mark the node current */ + smp_wmb(); ne->generation = generation; if (ne->in_limbo) { @@ -1798,7 +1802,7 @@ void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *packet) { packet->host = ne->host; packet->generation = ne->generation; - barrier(); + smp_rmb(); packet->node_id = ne->nodeid; } @@ -1807,7 +1811,7 @@ int hpsb_node_write(struct node_entry *ne, u64 addr, { unsigned int generation = ne->generation; - barrier(); + smp_rmb(); return hpsb_write(ne->host, ne->nodeid, generation, addr, buffer, length); } |