linux-kernel - [PATCH v1 1/4] usb: typec: stusb160x: Remove use of fw_devlink_purge_absent

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed,  1 Mar 2023 13:49:48 -0800
From:   Saravana Kannan <saravanak@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Len Brown <lenb@...nel.org>
Cc:     Saravana Kannan <saravanak@...gle.com>,
        Yongqin Liu <yongqin.liu@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Martin Kepplinger <martin.kepplinger@...i.sm>,
        Amelie Delaunay <amelie.delaunay@...s.st.com>,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [PATCH v1 1/4] usb: typec: stusb160x: Remove use of fw_devlink_purge_absent_suppliers()

This reverts commit 6b63376722d9 (usb: typec: stusb160x: Don't block
probing of consumer of "connector" nodes, 2021-07-16).

After recent changes to fw_devlink that ended with commit 4a032827daa8
("of: property: Simplify of_link_to_phandle()"), fw_devlink no longer
cares about the "compatible" property and figures out the correct struct
device at runtime. So, we no longer need to call
fw_devlink_purge_absent_suppliers().

Signed-off-by: Saravana Kannan <saravanak@...gle.com>
Cc: Amelie Delaunay <amelie.delaunay@...s.st.com>
---
 drivers/usb/typec/stusb160x.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c
index 494b371151e0..482bffeb8a8f 100644
--- a/drivers/usb/typec/stusb160x.c
+++ b/drivers/usb/typec/stusb160x.c
@@ -685,15 +685,6 @@ static int stusb160x_probe(struct i2c_client *client)
 	if (!fwnode)
 		return -ENODEV;
 
-	/*
-	 * This fwnode has a "compatible" property, but is never populated as a
-	 * struct device. Instead we simply parse it to read the properties.
-	 * This it breaks fw_devlink=on. To maintain backward compatibility
-	 * with existing DT files, we work around this by deleting any
-	 * fwnode_links to/from this fwnode.
-	 */
-	fw_devlink_purge_absent_suppliers(fwnode);
-
 	/*
 	 * When both VDD and VSYS power supplies are present, the low power
 	 * supply VSYS is selected when VSYS voltage is above 3.1 V.
-- 
2.39.2.722.g9855ee24e9-goog