netdev - [PATCH RFC net-next v2 2/6] software node: allow named software node to be created

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Message-Id: <E1oBd1n-006UCq-JK@rmk-PC.armlinux.org.uk>
Date:   Wed, 13 Jul 2022 15:07:47 +0100
From:   Russell King (Oracle) <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Alvin __ipraga" <alsi@...g-olufsen.dk>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Daniel Scally <djrscally@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        DENG Qingfang <dqfext@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        George McCollister <george.mccollister@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Sean Wang <sean.wang@...iatek.com>,
        UNGLinuxDriver@...rochip.com,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Marek Behún <kabel@...nel.org>
Subject: [PATCH RFC net-next v2 2/6] software node: allow named software node
 to be created

From: Vladimir Oltean <vladimir.oltean@....com>

Allow a named software node to be created, which is needed for software
nodes for a fixed-link specification for DSA.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/base/swnode.c    | 14 ++++++++++++--
 include/linux/property.h |  4 ++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 0a482212c7e8..b2ea08f0e898 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -972,8 +972,9 @@ void software_node_unregister(const struct software_node *node)
 EXPORT_SYMBOL_GPL(software_node_unregister);
 
 struct fwnode_handle *
-fwnode_create_software_node(const struct property_entry *properties,
-			    const struct fwnode_handle *parent)
+fwnode_create_named_software_node(const struct property_entry *properties,
+				  const struct fwnode_handle *parent,
+				  const char *name)
 {
 	struct fwnode_handle *fwnode;
 	struct software_node *node;
@@ -991,6 +992,7 @@ fwnode_create_software_node(const struct property_entry *properties,
 		return ERR_CAST(node);
 
 	node->parent = p ? p->node : NULL;
+	node->name = name;
 
 	fwnode = swnode_register(node, p, 1);
 	if (IS_ERR(fwnode))
@@ -998,6 +1000,14 @@ fwnode_create_software_node(const struct property_entry *properties,
 
 	return fwnode;
 }
+EXPORT_SYMBOL_GPL(fwnode_create_named_software_node);
+
+struct fwnode_handle *
+fwnode_create_software_node(const struct property_entry *properties,
+			    const struct fwnode_handle *parent)
+{
+	return fwnode_create_named_software_node(properties, parent, NULL);
+}
 EXPORT_SYMBOL_GPL(fwnode_create_software_node);
 
 void fwnode_remove_software_node(struct fwnode_handle *fwnode)
diff --git a/include/linux/property.h b/include/linux/property.h
index a5b429d623f6..23330ae2b1fa 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -492,6 +492,10 @@ void software_node_unregister(const struct software_node *node);
 struct fwnode_handle *
 fwnode_create_software_node(const struct property_entry *properties,
 			    const struct fwnode_handle *parent);
+struct fwnode_handle *
+fwnode_create_named_software_node(const struct property_entry *properties,
+				  const struct fwnode_handle *parent,
+				  const char *name);
 void fwnode_remove_software_node(struct fwnode_handle *fwnode);
 
 int device_add_software_node(struct device *dev, const struct software_node *node);
-- 
2.30.2