Linux GPIO subsystem development
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>,
	Linus Walleij <linusw@kernel.org>,
	Bartosz Golaszewski <brgl@kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Andy Shevchenko <andy@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-gpio@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] gpio: swnode: remove deprecated lookup mechanism
Date: Mon, 29 Jun 2026 22:23:00 +0800	[thread overview]
Message-ID: <202606292234.A3QghcWA-lkp@intel.com> (raw)
In-Reply-To: <20260629-gpio-swnode-drop-label-matching-v1-1-db1af36cf883@oss.qualcomm.com>

Hi Bartosz,

kernel test robot noticed the following build warnings:

[auto build test WARNING on dc59e4fea9d83f03bad6bddf3fa2e52491777482]

url:    https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/gpio-swnode-remove-deprecated-lookup-mechanism/20260629-185811
base:   dc59e4fea9d83f03bad6bddf3fa2e52491777482
patch link:    https://lore.kernel.org/r/20260629-gpio-swnode-drop-label-matching-v1-1-db1af36cf883%40oss.qualcomm.com
patch subject: [PATCH] gpio: swnode: remove deprecated lookup mechanism
config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20260629/202606292234.A3QghcWA-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260629/202606292234.A3QghcWA-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606292234.A3QghcWA-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpio/gpiolib-swnode.c: In function 'swnode_get_gpio_device':
>> drivers/gpio/gpiolib-swnode.c:29:29: warning: unused variable 'gdev' [-Wunused-variable]
      29 |         struct gpio_device *gdev;
         |                             ^~~~


vim +/gdev +29 drivers/gpio/gpiolib-swnode.c

e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  25  
b7b56e64a345e7 Bartosz Golaszewski 2023-09-27  26  static struct gpio_device *swnode_get_gpio_device(struct fwnode_handle *fwnode)
e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  27  {
b7b56e64a345e7 Bartosz Golaszewski 2023-09-27  28  	const struct software_node *gdev_node;
b7b56e64a345e7 Bartosz Golaszewski 2023-09-27 @29  	struct gpio_device *gdev;
e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  30  
b7b56e64a345e7 Bartosz Golaszewski 2023-09-27  31  	gdev_node = to_software_node(fwnode);
6774a66d0e103d Bartosz Golaszewski 2025-12-15  32  	if (!gdev_node)
216c1204757190 Bartosz Golaszewski 2025-11-20  33  		goto fwnode_lookup;
e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  34  
9d50f95bc0d5df Charles Keepax      2024-04-16  35  	/*
9d50f95bc0d5df Charles Keepax      2024-04-16  36  	 * Check for a special node that identifies undefined GPIOs, this is
9d50f95bc0d5df Charles Keepax      2024-04-16  37  	 * primarily used as a key for internal chip selects in SPI bindings.
9d50f95bc0d5df Charles Keepax      2024-04-16  38  	 */
9d50f95bc0d5df Charles Keepax      2024-04-16  39  	if (IS_ENABLED(CONFIG_GPIO_SWNODE_UNDEFINED) &&
6774a66d0e103d Bartosz Golaszewski 2025-12-15  40  	    gdev_node == &swnode_gpio_undefined)
9d50f95bc0d5df Charles Keepax      2024-04-16  41  		return ERR_PTR(-ENOENT);
9d50f95bc0d5df Charles Keepax      2024-04-16  42  
216c1204757190 Bartosz Golaszewski 2025-11-20  43  fwnode_lookup:
ff373b244a4cbb Bartosz Golaszewski 2026-06-29  44  	return gpio_device_find_by_fwnode(fwnode) ?: ERR_PTR(-EPROBE_DEFER);
e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  45  }
e7f9ff5dc90c38 Dmitry Torokhov     2022-11-11  46  

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

      parent reply	other threads:[~2026-06-29 14:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29 10:54 [PATCH] gpio: swnode: remove deprecated lookup mechanism Bartosz Golaszewski
2026-06-29 13:10 ` Andy Shevchenko
2026-06-29 14:04   ` Bartosz Golaszewski
2026-06-29 14:35     ` Andy Shevchenko
2026-06-29 14:23 ` kernel test robot [this message]

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=202606292234.A3QghcWA-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=andy@kernel.org \
    --cc=bartosz.golaszewski@oss.qualcomm.com \
    --cc=brgl@kernel.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=linusw@kernel.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=oe-kbuild-all@lists.linux.dev \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox