[PATCH v1 11/11] gpiolib: of: remove [devm_]gpiod_get_from_of_node() APIs
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2022-09-05 06:32:28
Also in:
dri-devel, linux-gpio, linux-pci, linux-tegra, linux-usb, linux-watchdog, lkml
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
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>
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;
--
b4 0.10.0-dev-fc921
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