[PATCH net-next v1 16/21] net: ethernet: ti: Move devlink registration to be last devlink command

Leon Romanovsky
2021-09-25T11:24:31Z

This change prevents from users to access device before devlink is
fully configured.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/ti/am65-cpsw-nuss.c | 15 ++++++---------
drivers/net/ethernet/ti/cpsw_new.c | 7 ++-----
2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index c2ea53ca92b6..0de5f4a4fe08 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2429,7 +2429,6 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common)
dl_priv = devlink_priv(common->devlink);
dl_priv->common = common;

- devlink_register(common->devlink);
/* Provide devlink hook to switch mode when multiple external ports
* are present NUSS switchdev driver is enabled.
*/
@@ -2442,7 +2441,6 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common)
dev_err(dev, "devlink params reg fail ret:%d\n", ret);
goto dl_unreg;
}
- devlink_params_publish(common->devlink);
}

for (i = 1; i <= common->port_num; i++) {
@@ -2463,7 +2461,7 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common)
}
devlink_port_type_eth_set(dl_port, port->ndev);
}
-
+ devlink_register(common->devlink);
return ret;

dl_port_unreg:
@@ -2474,7 +2472,6 @@ static int am65_cpsw_nuss_register_devlink(struct am65_cpsw_common *common)
devlink_port_unregister(dl_port);
}
dl_unreg:
- devlink_unregister(common->devlink);
devlink_free(common->devlink);
return ret;
}
@@ -2485,6 +2482,8 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common)
struct am65_cpsw_port *port;
int i;

+ devlink_unregister(common->devlink);
+
for (i = 1; i <= common->port_num; i++) {
port = am65_common_get_port(common, i);
dl_port = &port->devlink_port;
@@ -2493,13 +2492,11 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common)
}

if (!AM65_CPSW_IS_CPSW2G(common) &&
- IS_ENABLED(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV)) {
- devlink_params_unpublish(common->devlink);
- devlink_params_unregister(common->devlink, am65_cpsw_devlink_params,
+ IS_ENABLED(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV))
+ devlink_params_unregister(common->devlink,
+ am65_cpsw_devlink_params,
ARRAY_SIZE(am65_cpsw_devlink_params));
- }

- devlink_unregister(common->devlink);
devlink_free(common->devlink);
}

diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index 204b4826303c..1530532748a8 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -1810,7 +1810,6 @@ static int cpsw_register_devlink(struct cpsw_common *cpsw)
dl_priv = devlink_priv(cpsw->devlink);
dl_priv->cpsw = cpsw;

- devlink_register(cpsw->devlink);
ret = devlink_params_register(cpsw->devlink, cpsw_devlink_params,
ARRAY_SIZE(cpsw_devlink_params));
if (ret) {
@@ -1818,21 +1817,19 @@ static int cpsw_register_devlink(struct cpsw_common *cpsw)
goto dl_unreg;
}

- devlink_params_publish(cpsw->devlink);
+ devlink_register(cpsw->devlink);
return ret;

dl_unreg:
- devlink_unregister(cpsw->devlink);
devlink_free(cpsw->devlink);
return ret;
}

static void cpsw_unregister_devlink(struct cpsw_common *cpsw)
{
- devlink_params_unpublish(cpsw->devlink);
+ devlink_unregister(cpsw->devlink);
devlink_params_unregister(cpsw->devlink, cpsw_devlink_params,
ARRAY_SIZE(cpsw_devlink_params));
- devlink_unregister(cpsw->devlink);
devlink_free(cpsw->devlink);
}

--
2.31.1