From: Saravana Kannan <saravanak@google.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Saravana Kannan <saravanak@google.com>
Cc: John Stultz <john.stultz@linaro.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Rob Herring <robh+dt@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
kernel-team@android.com, linux-kernel@vger.kernel.org
Subject: [PATCH v1 4/5] driver core: Add debug logs when fwnode links are added/deleted
Date: Mon, 13 Sep 2021 21:39:26 -0700 [thread overview]
Message-ID: <20210914043928.4066136-5-saravanak@google.com> (raw)
In-Reply-To: <20210914043928.4066136-1-saravanak@google.com>
This will help with debugging fw_devlink issues.
Signed-off-by: Saravana Kannan <saravanak@google.com>
---
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
next prev parent reply other threads:[~2021-09-14 4:39 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 4:39 [PATCH v1 0/5] fw_devlink improvements Saravana Kannan
2021-09-14 4:39 ` [PATCH v1 1/5] driver core: fw_devlink: Improve handling of cyclic dependencies Saravana Kannan
2021-09-14 6:16 ` Marek Szyprowski
2021-09-14 8:01 ` Saravana Kannan
2021-09-14 12:35 ` Rob Herring
2021-09-14 16:23 ` Saravana Kannan
2021-09-14 4:39 ` [PATCH v1 2/5] driver core: Set deferred probe reason when deferred by driver core Saravana Kannan
2021-09-14 7:01 ` Geert Uytterhoeven
2021-09-14 7:58 ` Saravana Kannan
2021-09-15 5:41 ` Saravana Kannan
2021-09-14 4:39 ` [PATCH v1 3/5] driver core: Create __fwnode_link_del() helper function Saravana Kannan
2021-09-14 7:04 ` Geert Uytterhoeven
2021-09-14 7:46 ` Saravana Kannan
2021-09-14 4:39 ` Saravana Kannan [this message]
2021-09-14 7:09 ` [PATCH v1 4/5] driver core: Add debug logs when fwnode links are added/deleted Geert Uytterhoeven
2021-09-14 4:39 ` [PATCH v1 5/5] driver core: Add fw_devlink.debug command line boolean parameter Saravana Kannan
2021-09-14 15:10 ` Andrew Lunn
2021-09-14 16:27 ` Saravana Kannan
2021-09-14 16:43 ` Andrew Lunn
2021-09-14 16:52 ` Rob Herring
2021-09-14 17:31 ` Saravana Kannan
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