3.16.37-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Noa Osherovich <noaos@xxxxxxxxxxxx>
commit 2788cf3bd90af3791c3195c52391bcf34fa67b40 upstream.
FW port-change events are fired on Active <-> non Active port state
transitions only.
When the port state changes from Active to Initializing (Active ->
Down -> Initializing), a single event is fired.
The HCA transitions from Down to Initializing unless prevented from
doing so, hence the driver should also propagate events when the port
state is Initializing to consumers so they'll be aware that the port
is no longer Active and act accordingly.
Fixes: e126ba97dba9e ('mlx5: Add driver for Mellanox Connect-IB...')
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1002,14 +1002,11 @@ static void mlx5_ib_event(struct mlx5_co
break;
case MLX5_DEV_EVENT_PORT_DOWN:
+ case MLX5_DEV_EVENT_PORT_INITIALIZED:
ibev.event = IB_EVENT_PORT_ERR;
port = *(u8 *)data;
break;
- case MLX5_DEV_EVENT_PORT_INITIALIZED:
- /* not used by ULPs */
- return;
-
case MLX5_DEV_EVENT_LID_CHANGE:
ibev.event = IB_EVENT_LID_CHANGE;
port = *(u8 *)data;
--
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