[PATCH v1 4/5] driver core: Add debug logs when fwnode links are added/deleted
From: Saravana Kannan
Date: Tue Sep 14 2021 - 00:39:49 EST
This will help with debugging fw_devlink issues.
Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
---
drivers/base/core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 516a5c498b88..b10c425f4b89 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