netdev - [patch net-next v2 04/12] mlxsw: core_linecard_dev: Set nested devlink relationship for a line card

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Message-Id: <20220719064847.3688226-5-jiri@resnulli.us>
Date:   Tue, 19 Jul 2022 08:48:39 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, idosch@...dia.com,
        petrm@...dia.com, pabeni@...hat.com, edumazet@...gle.com,
        mlxsw@...dia.com, saeedm@...dia.com, snelson@...sando.io
Subject: [patch net-next v2 04/12] mlxsw: core_linecard_dev: Set nested devlink relationship for a line card

From: Jiri Pirko <jiri@...dia.com>

For newly created line card device devlink instance, set the
relationship with the parent line card object.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c b/drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c
index bb6068b62df0..f41662936a2b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c
@@ -105,6 +105,7 @@ static int mlxsw_linecard_bdev_probe(struct auxiliary_device *adev,
 {
 	struct mlxsw_linecard_bdev *linecard_bdev =
 			container_of(adev, struct mlxsw_linecard_bdev, adev);
+	struct mlxsw_linecard *linecard = linecard_bdev->linecard;
 	struct mlxsw_linecard_dev *linecard_dev;
 	struct devlink *devlink;
 
@@ -117,6 +118,7 @@ static int mlxsw_linecard_bdev_probe(struct auxiliary_device *adev,
 	linecard_bdev->linecard_dev = linecard_dev;
 
 	devlink_register(devlink);
+	devlink_linecard_nested_dl_set(linecard->devlink_linecard, devlink);
 	return 0;
 }
 
@@ -125,7 +127,9 @@ static void mlxsw_linecard_bdev_remove(struct auxiliary_device *adev)
 	struct mlxsw_linecard_bdev *linecard_bdev =
 			container_of(adev, struct mlxsw_linecard_bdev, adev);
 	struct devlink *devlink = priv_to_devlink(linecard_bdev->linecard_dev);
+	struct mlxsw_linecard *linecard = linecard_bdev->linecard;
 
+	devlink_linecard_nested_dl_set(linecard->devlink_linecard, NULL);
 	devlink_unregister(devlink);
 	devlink_free(devlink);
 }
-- 
2.35.3