linux-kernel - [PATCH 5.12 617/677] nfp: devlink: initialize the devlink port attribute "lanes"

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Message-Id: <20210512144857.871362913@linuxfoundation.org>
Date:   Wed, 12 May 2021 16:51:03 +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, Yinjun Zhang <yinjun.zhang@...igine.com>,
        Louis Peens <louis.peens@...igine.com>,
        Simon Horman <simon.horman@...ronome.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 617/677] nfp: devlink: initialize the devlink port attribute "lanes"

From: Yinjun Zhang <yinjun.zhang@...igine.com>

[ Upstream commit 90b669d65d99a3ee6965275269967cdee4da106e ]

The number of lanes of devlink port should be correctly initialized
when registering the port, so that the input check when running
"devlink port split <port> count <N>" can pass.

Fixes: a21cf0a8330b ("devlink: Add a new devlink port lanes attribute and pass to netlink")
Signed-off-by: Yinjun Zhang <yinjun.zhang@...igine.com>
Signed-off-by: Louis Peens <louis.peens@...igine.com>
Signed-off-by: Simon Horman <simon.horman@...ronome.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/netronome/nfp/nfp_devlink.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
index 713ee3041d49..bea978df7713 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
@@ -364,6 +364,7 @@ int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)
 
 	attrs.split = eth_port.is_split;
 	attrs.splittable = !attrs.split;
+	attrs.lanes = eth_port.port_lanes;
 	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
 	attrs.phys.port_number = eth_port.label_port;
 	attrs.phys.split_subport_number = eth_port.label_subport;
-- 
2.30.2