linux-kernel - [PATCH 1/2] gpio: regmap: add request/free gpio

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Message-Id: <20250107102735.317446-2-noltari@gmail.com>
Date: Tue,  7 Jan 2025 11:27:34 +0100
From: Álvaro Fernández Rojas <noltari@...il.com>
To: jonas.gorski@...il.com,
	kylehendrydev@...il.com,
	florian.fainelli@...adcom.com,
	linus.walleij@...aro.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Álvaro Fernández Rojas <noltari@...il.com>
Subject: [PATCH 1/2] gpio: regmap: add request/free gpio_chip functions

Allow configuring gpio_chip request/free functions when creating a gpio-regmap.

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
---
 drivers/gpio/gpio-regmap.c  | 2 ++
 include/linux/gpio/regmap.h | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
index 71684dee2ca5..32ec85b41653 100644
--- a/drivers/gpio/gpio-regmap.c
+++ b/drivers/gpio/gpio-regmap.c
@@ -261,6 +261,8 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config
 	chip->names = config->names;
 	chip->label = config->label ?: dev_name(config->parent);
 	chip->can_sleep = regmap_might_sleep(config->regmap);
+	chip->request = config->request;
+	chip->free = config->free;
 
 	chip->get = gpio_regmap_get;
 	if (gpio->reg_set_base && gpio->reg_clr_base)
diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h
index a9f7b7faf57b..cd4ea9661eea 100644
--- a/include/linux/gpio/regmap.h
+++ b/include/linux/gpio/regmap.h
@@ -5,6 +5,7 @@
 
 struct device;
 struct fwnode_handle;
+struct gpio_chip;
 struct gpio_regmap;
 struct irq_domain;
 struct regmap;
@@ -82,6 +83,9 @@ struct gpio_regmap_config {
 			      unsigned int offset, unsigned int *reg,
 			      unsigned int *mask);
 
+	int (*request)(struct gpio_chip *chip, unsigned int offset);
+	void (*free)(struct gpio_chip *chip, unsigned int offset);
+
 	void *drvdata;
 };
 
-- 
2.39.5