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driver core: Add debug logs when fwnode links are added/deleted

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This will help with debugging fw_devlink issues.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210915172808.620546-4-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saravana Kannan 2021-09-15 10:28:07 -07:00 committed by Greg Kroah-Hartman
parent 76f130810b
commit ebd6823af3
1 changed files with 4 additions and 0 deletions
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4
drivers/base/core.c
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@ -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 @@ out:
*/
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);