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-rw-r--r--drivers/rapidio/rio-scan.c3
-rw-r--r--drivers/rapidio/rio.c51
2 files changed, 50 insertions, 4 deletions
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 8b7c4bce7a4..745670f535e 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -44,7 +44,6 @@ static void rio_init_em(struct rio_dev *rdev);
DEFINE_SPINLOCK(rio_global_list_lock);
static int next_destid = 0;
-static int next_net = 0;
static int next_comptag = 1;
static int rio_mport_phys_table[] = {
@@ -1062,7 +1061,7 @@ static struct rio_net __devinit *rio_alloc_net(struct rio_mport *port)
INIT_LIST_HEAD(&net->mports);
list_add_tail(&port->nnode, &net->mports);
net->hport = port;
- net->id = next_net++;
+ net->id = port->id;
}
return net;
}
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index d7b68cc2d84..d4bd69013c5 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -1260,15 +1260,62 @@ static int __devinit rio_init(void)
return 0;
}
+static struct workqueue_struct *rio_wq;
+
+struct rio_disc_work {
+ struct work_struct work;
+ struct rio_mport *mport;
+};
+
+static void __devinit disc_work_handler(struct work_struct *_work)
+{
+ struct rio_disc_work *work;
+
+ work = container_of(_work, struct rio_disc_work, work);
+ pr_debug("RIO: discovery work for mport %d %s\n",
+ work->mport->id, work->mport->name);
+ rio_disc_mport(work->mport);
+
+ kfree(work);
+}
+
int __devinit rio_init_mports(void)
{
struct rio_mport *port;
+ struct rio_disc_work *work;
+ int no_disc = 0;
list_for_each_entry(port, &rio_mports, node) {
if (port->host_deviceid >= 0)
rio_enum_mport(port);
- else
- rio_disc_mport(port);
+ else if (!no_disc) {
+ if (!rio_wq) {
+ rio_wq = alloc_workqueue("riodisc", 0, 0);
+ if (!rio_wq) {
+ pr_err("RIO: unable allocate rio_wq\n");
+ no_disc = 1;
+ continue;
+ }
+ }
+
+ work = kzalloc(sizeof *work, GFP_KERNEL);
+ if (!work) {
+ pr_err("RIO: no memory for work struct\n");
+ no_disc = 1;
+ continue;
+ }
+
+ work->mport = port;
+ INIT_WORK(&work->work, disc_work_handler);
+ queue_work(rio_wq, &work->work);
+ }
+ }
+
+ if (rio_wq) {
+ pr_debug("RIO: flush discovery workqueue\n");
+ flush_workqueue(rio_wq);
+ pr_debug("RIO: flush discovery workqueue finished\n");
+ destroy_workqueue(rio_wq);
}
rio_init();