linux-kernel - [PATCH 4.4 223/312] mlxsw: switchx2: Fix ethernet port initialization

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Date:   Fri,  8 May 2020 14:33:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Elad Raz <eladr@...lanox.com>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.4 223/312] mlxsw: switchx2: Fix ethernet port initialization

From: Elad Raz <eladr@...lanox.com>

commit 7fb6a36bab6b0b158f93eb13faa1b440f8b26009 upstream.

When creating an ethernet port fails, we must move the port to disable,
otherwise putting the port in switch partition 0 (ETH) or 1 (IB) will
always fails.

Fixes: 31557f0f9755 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Elad Raz <eladr@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
Reviewed-by: Ido Schimmel <idosch@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/mellanox/mlxsw/switchx2.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -1074,6 +1074,7 @@ err_port_stp_state_set:
 err_port_admin_status_set:
 err_port_mtu_set:
 err_port_speed_set:
+	mlxsw_sx_port_swid_set(mlxsw_sx_port, MLXSW_PORT_SWID_DISABLED_PORT);
 err_port_swid_set:
 err_port_system_port_mapping_set:
 port_not_usable: