diff mbox series

[v1,11/11] gpiolib: of: remove [devm_]gpiod_get_from_of_node() APIs

Message ID 20220903-gpiod_get_from_of_node-remove-v1-11-b29adfb27a6c@gmail.com (mailing list archive)
State New, archived
Headers show
Series Get rid of [devm_]gpiod_get_from_of_node() public APIs | expand

Commit Message

Dmitry Torokhov Sept. 5, 2022, 6:31 a.m. UTC 
Now that everyone is using [devm_]fwnode_gpiod_get[_index]() APIs, we no
longer need to expose OF-specific [devm_]gpiod_get_from_of_node().

Note that we are keeping gpiod_get_from_of_node() but only as a private
to gpiolib function.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Comments

Linus Walleij Sept. 5, 2022, 10:40 a.m. UTC | #1 
On Mon, Sep 5, 2022 at 8:31 AM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:

> Now that everyone is using [devm_]fwnode_gpiod_get[_index]() APIs, we no
> longer need to expose OF-specific [devm_]gpiod_get_from_of_node().
>
> Note that we are keeping gpiod_get_from_of_node() but only as a private
> to gpiolib function.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/gpio/gpiolib-devres.c b/drivers/gpio/gpiolib-devres.c
index 16a696249229..fe9ce6b19f15 100644
--- a/drivers/gpio/gpiolib-devres.c
+++ b/drivers/gpio/gpiolib-devres.c
@@ -129,61 +129,6 @@  struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_gpiod_get_index);
 
-/**
- * devm_gpiod_get_from_of_node() - obtain a GPIO from an OF node
- * @dev:	device for lifecycle management
- * @node:	handle of the OF node
- * @propname:	name of the DT property representing the GPIO
- * @index:	index of the GPIO to obtain for the consumer
- * @dflags:	GPIO initialization flags
- * @label:	label to attach to the requested GPIO
- *
- * Returns:
- * On successful request the GPIO pin is configured in accordance with
- * provided @dflags.
- *
- * In case of error an ERR_PTR() is returned.
- */
-struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
-					      const struct device_node *node,
-					      const char *propname, int index,
-					      enum gpiod_flags dflags,
-					      const char *label)
-{
-	struct gpio_desc **dr;
-	struct gpio_desc *desc;
-
-	desc = gpiod_get_from_of_node(node, propname, index, dflags, label);
-	if (IS_ERR(desc))
-		return desc;
-
-	/*
-	 * For non-exclusive GPIO descriptors, check if this descriptor is
-	 * already under resource management by this device.
-	 */
-	if (dflags & GPIOD_FLAGS_BIT_NONEXCLUSIVE) {
-		struct devres *dres;
-
-		dres = devres_find(dev, devm_gpiod_release,
-				   devm_gpiod_match, &desc);
-		if (dres)
-			return desc;
-	}
-
-	dr = devres_alloc(devm_gpiod_release, sizeof(struct gpio_desc *),
-			  GFP_KERNEL);
-	if (!dr) {
-		gpiod_put(desc);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	*dr = desc;
-	devres_add(dev, dr);
-
-	return desc;
-}
-EXPORT_SYMBOL_GPL(devm_gpiod_get_from_of_node);
-
 /**
  * devm_fwnode_gpiod_get_index - get a GPIO descriptor from a given node
  * @dev:	GPIO consumer
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index a037b50bef33..b0e0723b12ab 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -365,7 +365,6 @@  struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
 
 	return desc;
 }
-EXPORT_SYMBOL_GPL(gpiod_get_from_of_node);
 
 /*
  * The SPI GPIO bindings happened before we managed to establish that GPIO
diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
index 8af2bc899aab..e0da568d6da3 100644
--- a/drivers/gpio/gpiolib-of.h
+++ b/drivers/gpio/gpiolib-of.h
@@ -3,6 +3,7 @@ 
 #ifndef GPIOLIB_OF_H
 #define GPIOLIB_OF_H
 
+struct device_node;
 struct gpio_chip;
 enum of_gpio_flags;
 
@@ -16,6 +17,10 @@  void of_gpiochip_remove(struct gpio_chip *gc);
 int of_gpio_get_count(struct device *dev, const char *con_id);
 bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
 void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
+struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
+					 const char *propname, int index,
+					 enum gpiod_flags dflags,
+					 const char *label);
 #else
 static inline struct gpio_desc *of_find_gpio(struct device *dev,
 					     const char *con_id,
@@ -38,6 +43,14 @@  static inline void of_gpio_dev_init(struct gpio_chip *gc,
 				    struct gpio_device *gdev)
 {
 }
+static inline
+struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
+					 const char *propname, int index,
+					 enum gpiod_flags dflags,
+					 const char *label)
+{
+	return ERR_PTR(-ENOSYS);
+}
 #endif /* CONFIG_OF_GPIO */
 
 extern struct notifier_block gpio_of_notifier;
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index fe0f460d9a3b..37448ee17e81 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -615,54 +615,6 @@  struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
 	return devm_fwnode_gpiod_get_index(dev, child, con_id, 0, flags, label);
 }
 
-#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO)
-struct device_node;
-
-struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
-					 const char *propname, int index,
-					 enum gpiod_flags dflags,
-					 const char *label);
-
-#else  /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */
-
-struct device_node;
-
-static inline
-struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
-					 const char *propname, int index,
-					 enum gpiod_flags dflags,
-					 const char *label)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-#endif /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */
-
-#ifdef CONFIG_GPIOLIB
-struct device_node;
-
-struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
-					      const struct device_node *node,
-					      const char *propname, int index,
-					      enum gpiod_flags dflags,
-					      const char *label);
-
-#else  /* CONFIG_GPIOLIB */
-
-struct device_node;
-
-static inline
-struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
-					      const struct device_node *node,
-					      const char *propname, int index,
-					      enum gpiod_flags dflags,
-					      const char *label)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-#endif /* CONFIG_GPIOLIB */
-
 struct acpi_gpio_params {
 	unsigned int crs_entry_index;
 	unsigned int line_index;