net/mlx4_core: Add warning in case of command timeouts
Warning prints when there are command timeout to help debugging future
failures.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index ea1e038..df04c82 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -257,6 +257,8 @@
if (!wait_for_completion_timeout(&context->done,
msecs_to_jiffies(timeout))) {
+ mlx4_warn(dev, "communication channel command 0x%x timed out\n",
+ op);
err = -EBUSY;
goto out;
}
@@ -486,6 +488,8 @@
}
if (cmd_pending(dev)) {
+ mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n",
+ op);
err = -ETIMEDOUT;
goto out;
}
@@ -549,6 +553,8 @@
if (!wait_for_completion_timeout(&context->done,
msecs_to_jiffies(timeout))) {
+ mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n",
+ op);
err = -EBUSY;
goto out;
}