linux-kernel - [PATCH v1] driver core: Change delimiter in devlink device's name to "--"

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Message-Id: <20200724180523.1393383-1-saravanak@google.com>
Date:   Fri, 24 Jul 2020 11:05:22 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Saravana Kannan <saravanak@...gle.com>, kernel-team@...roid.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1] driver core: Change delimiter in devlink device's name to "--"

The devlink device name is of the form "supplier:consumer". But ":" is
fairly common in device names and makes it visually hard to distinguish
supplier and consumer. So, replace it with "--" to make it easier.

Signed-off-by: Saravana Kannan <saravanak@...gle.com>
---
 Documentation/ABI/testing/sysfs-class-devlink | 2 +-
 drivers/base/core.c                           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-class-devlink b/Documentation/ABI/testing/sysfs-class-devlink
index 3a24973abb83..64791b65c9a3 100644
--- a/Documentation/ABI/testing/sysfs-class-devlink
+++ b/Documentation/ABI/testing/sysfs-class-devlink
@@ -4,7 +4,7 @@ Contact:	Saravana Kannan <saravanak@...gle.com>
 Description:
 		Provide a place in sysfs for the device link objects in the
 		kernel at any given time.  The name of a device link directory,
-		denoted as ... above, is of the form <supplier>:<consumer>
+		denoted as ... above, is of the form <supplier>--<consumer>
 		where <supplier> is the supplier device name and <consumer> is
 		the consumer device name.
 
diff --git a/drivers/base/core.c b/drivers/base/core.c
index b6e8b0bb76e4..4d05868d9356 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -623,7 +623,7 @@ struct device_link *device_link_add(struct device *consumer,
 
 	link->link_dev.class = &devlink_class;
 	device_set_pm_not_required(&link->link_dev);
-	dev_set_name(&link->link_dev, "%s:%s",
+	dev_set_name(&link->link_dev, "%s--%s",
 		     dev_name(supplier), dev_name(consumer));
 	if (device_register(&link->link_dev)) {
 		put_device(consumer);
-- 
2.28.0.rc0.142.g3c755180ce-goog