[PATCH v2 4/6] driver core: Add debug logs when fwnode links are added/deleted
From: Saravana Kannan <hidden>
Date: 2021-09-15 08:12:24
Also in:
linux-acpi, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
This will help with debugging fw_devlink issues. Signed-off-by: Saravana Kannan <redacted> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> --- drivers/base/core.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 5e7faad4e083..f06e8e2dc69b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c@@ -95,6 +95,8 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup) list_add(&link->s_hook, &sup->consumers); list_add(&link->c_hook, &con->suppliers); + pr_debug("%pfwP Linked as a fwnode consumer to %pfwP\n", + con, sup); out: mutex_unlock(&fwnode_link_lock);
@@ -109,6 +111,8 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup) */ static void __fwnode_link_del(struct fwnode_link *link) { + pr_debug("%pfwP Dropping the fwnode link to %pfwP\n", + link->consumer, link->supplier); list_del(&link->s_hook); list_del(&link->c_hook); kfree(link);
--
2.33.0.309.g3052b89438-goog