All of lore.kernel.org
 help / color / mirror / Atom feed
From: Saravana Kannan <saravanak@google.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>,
	kernel-team@android.com, linux-kernel@vger.kernel.org,
	Geert Uytterhoeven <geert+renesas@glider.be>
Subject: [PATCH 3/3] driver core: Add debug logs when fwnode links are added/deleted
Date: Wed, 15 Sep 2021 10:28:07 -0700	[thread overview]
Message-ID: <20210915172808.620546-4-saravanak@google.com> (raw)
In-Reply-To: <20210915172808.620546-1-saravanak@google.com>

This will help with debugging fw_devlink issues.

Signed-off-by: Saravana Kannan <saravanak@google.com>
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 e215220545f8..15986cc2fe5e 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


  parent reply	other threads:[~2021-09-15 17:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-15 17:28 [PATCH 0/3] fw_devlink logging improvements Saravana Kannan
2021-09-15 17:28 ` [PATCH 1/3] driver core: Set deferred probe reason when deferred by driver core Saravana Kannan
2021-09-15 17:28 ` [PATCH 2/3] driver core: Create __fwnode_link_del() helper function Saravana Kannan
2021-09-15 17:28 ` Saravana Kannan [this message]
2021-09-28  7:48 ` [PATCH 0/3] fw_devlink logging improvements Greg Kroah-Hartman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210915172808.620546-4-saravanak@google.com \
    --to=saravanak@google.com \
    --cc=geert+renesas@glider.be \
    --cc=gregkh@linuxfoundation.org \
    --cc=kernel-team@android.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rafael@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.