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[213.179.129.39]) by smtp.gmail.com with ESMTPSA id fi22-20020a1709073ad600b007c0d4d3a0c1sm3151745ejc.32.2022.12.05.07.23.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Dec 2022 07:23:11 -0800 (PST) From: Jiri Pirko To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, michael.chan@broadcom.com, ioana.ciornei@nxp.com, dmichail@fungible.com, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, tchornyi@marvell.com, tariqt@nvidia.com, saeedm@nvidia.com, leon@kernel.org, idosch@nvidia.com, petrm@nvidia.com, vladimir.oltean@nxp.com, claudiu.manoil@nxp.com, alexandre.belloni@bootlin.com, simon.horman@corigine.com, shannon.nelson@amd.com, brett.creeley@amd.com Subject: [patch net-next 6/8] mlx5: call devl_port_register/unregister() on registered instance Date: Mon, 5 Dec 2022 16:22:55 +0100 Message-Id: <20221205152257.454610-7-jiri@resnulli.us> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221205152257.454610-1-jiri@resnulli.us> References: <20221205152257.454610-1-jiri@resnulli.us> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Jiri Pirko Move the code so devl_port_register/unregister() are called only then devlink is registered. Signed-off-by: Jiri Pirko --- RFC->v1: - shortened patch subject --- drivers/net/ethernet/mellanox/mlx5/core/dev.c | 10 ++++++++-- drivers/net/ethernet/mellanox/mlx5/core/main.c | 17 ++++++++++------- .../ethernet/mellanox/mlx5/core/sf/dev/driver.c | 9 +++++++++ 3 files changed, 27 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index 0571e40c6ee5..dd3801198898 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -444,11 +444,14 @@ int mlx5_register_device(struct mlx5_core_dev *dev) { int ret; - devl_assert_locked(priv_to_devlink(dev)); + devl_lock(priv_to_devlink(dev)); + mutex_lock(&dev->intf_state_mutex); mutex_lock(&mlx5_intf_mutex); dev->priv.flags &= ~MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV; ret = mlx5_rescan_drivers_locked(dev); mutex_unlock(&mlx5_intf_mutex); + mutex_unlock(&dev->intf_state_mutex); + devl_unlock(priv_to_devlink(dev)); if (ret) mlx5_unregister_device(dev); @@ -457,11 +460,14 @@ int mlx5_register_device(struct mlx5_core_dev *dev) void mlx5_unregister_device(struct mlx5_core_dev *dev) { - devl_assert_locked(priv_to_devlink(dev)); + devl_lock(priv_to_devlink(dev)); + mutex_lock(&dev->intf_state_mutex); mutex_lock(&mlx5_intf_mutex); dev->priv.flags = MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV; mlx5_rescan_drivers_locked(dev); mutex_unlock(&mlx5_intf_mutex); + mutex_unlock(&dev->intf_state_mutex); + devl_unlock(priv_to_devlink(dev)); } static int add_drivers(struct mlx5_core_dev *dev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 7f5db13e3550..f6f37289b49d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1392,16 +1392,10 @@ int mlx5_init_one(struct mlx5_core_dev *dev) if (err) goto err_devlink_reg; - err = mlx5_register_device(dev); - if (err) - goto err_register; - mutex_unlock(&dev->intf_state_mutex); devl_unlock(devlink); return 0; -err_register: - mlx5_devlink_unregister(priv_to_devlink(dev)); err_devlink_reg: clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); mlx5_unload(dev); @@ -1423,7 +1417,6 @@ void mlx5_uninit_one(struct mlx5_core_dev *dev) devl_lock(devlink); mutex_lock(&dev->intf_state_mutex); - mlx5_unregister_device(dev); mlx5_devlink_unregister(priv_to_devlink(dev)); if (!test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { @@ -1747,8 +1740,17 @@ static int probe_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_save_state(pdev); devlink_register(devlink); + err = mlx5_register_device(dev); + if (err) { + mlx5_core_err(dev, "mlx5_register_device failed with error code %d\n", + err); + goto err_register_device; + } + return 0; +err_register_device: + devlink_unregister(devlink); err_init_one: mlx5_pci_close(dev); pci_init_err: @@ -1771,6 +1773,7 @@ static void remove_one(struct pci_dev *pdev) */ mlx5_drain_fw_reset(dev); set_bit(MLX5_BREAK_FW_WAIT, &dev->intf_state); + mlx5_unregister_device(dev); devlink_unregister(devlink); mlx5_sriov_disable(pdev); mlx5_crdump_disable(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c index 7b4783ce213e..90fcb30f7481 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c @@ -46,9 +46,17 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia mlx5_core_warn(mdev, "mlx5_init_one err=%d\n", err); goto init_one_err; } + devlink_register(devlink); + + err = mlx5_register_device(mdev); + if (err) + goto register_device_err; + return 0; +register_device_err: + devlink_unregister(devlink); init_one_err: iounmap(mdev->iseg); remap_err: @@ -63,6 +71,7 @@ static void mlx5_sf_dev_remove(struct auxiliary_device *adev) struct mlx5_sf_dev *sf_dev = container_of(adev, struct mlx5_sf_dev, adev); struct devlink *devlink = priv_to_devlink(sf_dev->mdev); + mlx5_unregister_device(sf_dev->mdev); devlink_unregister(devlink); mlx5_uninit_one(sf_dev->mdev); iounmap(sf_dev->mdev->iseg);