linux-kernel - [PATCH v1 1/3] pinctrl: core: Remove unused devm_pinctrl

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Message-ID: <20260127103325.3925173-2-andriy.shevchenko@linux.intel.com>
Date: Tue, 27 Jan 2026 11:32:06 +0100
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Philipp Stanner <phasta@...nel.org>,
	Linus Walleij <linusw@...nel.org>,
	Bartosz Golaszewski <brgl@...nel.org>,
	driver-core@...ts.linux.dev,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Shuah Khan <skhan@...uxfoundation.org>
Subject: [PATCH v1 1/3] pinctrl: core: Remove unused devm_pinctrl_unregister()

There are no users, drop it for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 .../driver-api/driver-model/devres.rst        |  1 -
 drivers/pinctrl/core.c                        | 22 -------------------
 include/linux/pinctrl/pinctrl.h               |  3 ---
 3 files changed, 26 deletions(-)

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 0198ac65e874..7d2b897d66fa 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -408,7 +408,6 @@ PINCTRL
   devm_pinctrl_get_select()
   devm_pinctrl_register()
   devm_pinctrl_register_and_init()
-  devm_pinctrl_unregister()
 
 POWER
   devm_reboot_mode_register()
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 83254a95ef17..b2b86c4d8475 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -2323,16 +2323,6 @@ static void devm_pinctrl_dev_release(struct device *dev, void *res)
 	pinctrl_unregister(pctldev);
 }
 
-static int devm_pinctrl_dev_match(struct device *dev, void *res, void *data)
-{
-	struct pctldev **r = res;
-
-	if (WARN_ON(!r || !*r))
-		return 0;
-
-	return *r == data;
-}
-
 /**
  * devm_pinctrl_register() - Resource managed version of pinctrl_register().
  * @dev: parent device for this pin controller
@@ -2403,18 +2393,6 @@ int devm_pinctrl_register_and_init(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_pinctrl_register_and_init);
 
-/**
- * devm_pinctrl_unregister() - Resource managed version of pinctrl_unregister().
- * @dev: device for which resource was allocated
- * @pctldev: the pinctrl device to unregister.
- */
-void devm_pinctrl_unregister(struct device *dev, struct pinctrl_dev *pctldev)
-{
-	WARN_ON(devres_release(dev, devm_pinctrl_dev_release,
-			       devm_pinctrl_dev_match, pctldev));
-}
-EXPORT_SYMBOL_GPL(devm_pinctrl_unregister);
-
 static int __init pinctrl_init(void)
 {
 	pr_debug("initialized pinctrl subsystem\n");
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 1a8084e29405..c329cc693139 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -187,9 +187,6 @@ extern struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
 				const struct pinctrl_desc *pctldesc,
 				void *driver_data);
 
-extern void devm_pinctrl_unregister(struct device *dev,
-				struct pinctrl_dev *pctldev);
-
 extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
 				struct pinctrl_gpio_range *range);
 extern void pinctrl_add_gpio_ranges(struct pinctrl_dev *pctldev,
-- 
2.50.1