RDMA/mlx5: Recover from fatal event in dual port mode

[ Upstream commit 97f30d324ce6645a4de4ffb71e4ae9b8ca36ff04 ]

When there is fatal event on the slave port, the device is marked as not
active. We need to mark it as active again when the slave is recovered to
regain full functionality.

Fixes: d69a24e03659 ("IB/mlx5: Move IB event processing onto a workqueue")
Link: https://lore.kernel.org/r/8906754455bb23019ef223c725d2c0d38acfb80b.1620711734.git.leonro@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 1695605eeb5283643def62fd4f6f13d4be3a3092..13513466df01f937265c5ba1f6b1348876beeeea 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6339,6 +6339,7 @@ static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev)
 
                if (bound) {
                        rdma_roce_rescan_device(&dev->ib_dev);
+                       mpi->ibdev->ib_active = true;
                        break;
                }
        }