Fix Xilinx SystemACE driver to handle empty CF slot

[linux-2.6-omap-h63xx.git] / drivers / ieee1394 / nodemgr.c

diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 906c5a98d8142585a1ad86ef2c1d55f9b16cc3eb..53aada5bbe1ebad918803836b8752a21cecbb37e 100644 (file)
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -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);
 }