netdev - [PATCH net] wwan: core: add print for wwan port attach/disconnect

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Message-Id: <20230412114402.1119956-1-slark_xiao@163.com>
Date:   Wed, 12 Apr 2023 19:44:02 +0800
From:   Slark Xiao <slark_xiao@....com>
To:     loic.poulain@...aro.org, ryazanov.s.a@...il.com,
        johannes@...solutions.net, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Slark Xiao <slark_xiao@....com>
Subject: [PATCH net] wwan: core: add print for wwan port attach/disconnect

Refer to USB serial device or net device, there is notice to
let end user know the status of device, like attached or
disconnected. Add attach/disconnect print for wwan device as
well. This change works for MHI device and USB device.

Signed-off-by: Slark Xiao <slark_xiao@....com>
---
 drivers/net/wwan/wwan_core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c
index 2e1c01cf00a9..d3ac6c5b0b26 100644
--- a/drivers/net/wwan/wwan_core.c
+++ b/drivers/net/wwan/wwan_core.c
@@ -492,6 +492,8 @@ struct wwan_port *wwan_create_port(struct device *parent,
 	if (err)
 		goto error_put_device;
 
+	dev_info(&wwandev->dev, "%s converter now attached to %s\n",
+		 wwan_port_dev_type.name, port->dev.kobj.name);
 	return port;
 
 error_put_device:
@@ -517,6 +519,9 @@ void wwan_remove_port(struct wwan_port *port)
 
 	skb_queue_purge(&port->rxq);
 	dev_set_drvdata(&port->dev, NULL);
+
+	dev_info(&wwandev->dev, "%s converter now disconnected from %s\n",
+		 wwan_port_dev_type.name, port->dev.kobj.name);
 	device_unregister(&port->dev);
 
 	/* Release related wwan device */
-- 
2.34.1