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 4be7bccefaa40a5db5740ec6fb77b60e2f69bca5..59ffbbdda31794a73d15639ae75c1fa6d3c9bb4a 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -4655,6 +4655,7 @@ static int mlx5r_mp_probe(struct auxiliary_device *adev,
 
                if (bound) {
                        rdma_roce_rescan_device(&dev->ib_dev);
+                       mpi->ibdev->ib_active = true;
                        break;
                }
        }