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Date: Wed, 9 Nov 2022 17:07:06 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Raul E Rangel <rrangel@...omium.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 2/2] gpiolib: Get rid of not used of_node member
All new drivers should use fwnode and / or parent to provide the
necessary information to the GPIO library.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/gpio/gpiolib-acpi.c | 10 ----------
drivers/gpio/gpiolib-acpi.h | 4 ----
drivers/gpio/gpiolib-of.c | 22 +++-------------------
drivers/gpio/gpiolib-of.h | 5 -----
drivers/gpio/gpiolib.c | 15 +--------------
include/linux/gpio/driver.h | 7 -------
6 files changed, 4 insertions(+), 59 deletions(-)
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index a7d2358736fe..5c6ebb249863 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1363,16 +1363,6 @@ void acpi_gpiochip_remove(struct gpio_chip *chip)
kfree(acpi_gpio);
}
-void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
-{
- /* Set default fwnode to parent's one if present */
- if (gc->parent)
- ACPI_COMPANION_SET(&gdev->dev, ACPI_COMPANION(gc->parent));
-
- if (gc->fwnode)
- device_set_node(&gdev->dev, gc->fwnode);
-}
-
static int acpi_gpio_package_count(const union acpi_object *obj)
{
const union acpi_object *element = obj->package.elements;
diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h
index 1ac6816839db..a15495ef19ea 100644
--- a/drivers/gpio/gpiolib-acpi.h
+++ b/drivers/gpio/gpiolib-acpi.h
@@ -38,8 +38,6 @@ struct acpi_gpio_info {
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);
-void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
-
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
@@ -62,8 +60,6 @@ int acpi_gpio_count(struct device *dev, const char *con_id);
static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
-static inline void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) { }
-
static inline void
acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 83997434215e..e22d25d85c7e 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -669,7 +669,7 @@ static struct gpio_desc *of_parse_own_gpio(struct device_node *np,
u32 tmp;
int ret;
- chip_np = chip->of_node;
+ chip_np = to_of_node(chip->fwnode);
if (!chip_np)
return ERR_PTR(-EINVAL);
@@ -761,7 +761,7 @@ static int of_gpiochip_scan_gpios(struct gpio_chip *chip)
struct device_node *np;
int ret;
- for_each_available_child_of_node(chip->of_node, np) {
+ for_each_available_child_of_node(to_of_node(chip->fwnode), np) {
if (!of_property_read_bool(np, "gpio-hog"))
continue;
@@ -972,7 +972,7 @@ EXPORT_SYMBOL_GPL(of_mm_gpiochip_remove);
#ifdef CONFIG_PINCTRL
static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
{
- struct device_node *np = chip->of_node;
+ struct device_node *np = to_of_node(chip->fwnode);
struct of_phandle_args pinspec;
struct pinctrl_dev *pctldev;
int index = 0, ret;
@@ -1094,19 +1094,3 @@ void of_gpiochip_remove(struct gpio_chip *chip)
{
fwnode_handle_put(chip->fwnode);
}
-
-void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
-{
- /* Set default OF node to parent's one if present */
- if (gc->parent)
- gdev->dev.of_node = gc->parent->of_node;
-
- if (gc->fwnode)
- gc->of_node = to_of_node(gc->fwnode);
-
- /* If the gpiochip has an assigned OF node this takes precedence */
- if (gc->of_node)
- gdev->dev.of_node = gc->of_node;
- else
- gc->of_node = gdev->dev.of_node;
-}
diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
index 2c32a332ede5..f128a7f45945 100644
--- a/drivers/gpio/gpiolib-of.h
+++ b/drivers/gpio/gpiolib-of.h
@@ -14,7 +14,6 @@ struct gpio_desc *of_find_gpio(struct device *dev,
int of_gpiochip_add(struct gpio_chip *gc);
void of_gpiochip_remove(struct gpio_chip *gc);
int of_gpio_get_count(struct device *dev, const char *con_id);
-void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
#else
static inline struct gpio_desc *of_find_gpio(struct device *dev,
const char *con_id,
@@ -29,10 +28,6 @@ static inline int of_gpio_get_count(struct device *dev, const char *con_id)
{
return 0;
}
-static inline void of_gpio_dev_init(struct gpio_chip *gc,
- struct gpio_device *gdev)
-{
-}
#endif /* CONFIG_OF_GPIO */
extern struct notifier_block gpio_of_notifier;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 11fb7ec883e9..4032fbb6994c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -646,7 +646,6 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
struct lock_class_key *lock_key,
struct lock_class_key *request_key)
{
- struct fwnode_handle *fwnode = NULL;
struct gpio_device *gdev;
unsigned long flags;
int base = gc->base;
@@ -654,11 +653,6 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
int ret = 0;
u32 ngpios;
- if (gc->fwnode)
- fwnode = gc->fwnode;
- else if (gc->parent)
- fwnode = dev_fwnode(gc->parent);
-
/*
* First: allocate and populate the internal stat container, and
* set up the struct device.
@@ -671,14 +665,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
gdev->chip = gc;
gc->gpiodev = gdev;
- of_gpio_dev_init(gc, gdev);
- acpi_gpio_dev_init(gc, gdev);
-
- /*
- * Assign fwnode depending on the result of the previous calls,
- * if none of them succeed, assign it to the parent's one.
- */
- gdev->dev.fwnode = dev_fwnode(&gdev->dev) ?: fwnode;
+ device_set_node(&gdev->dev, gc->fwnode ?: dev_fwnode(gc->parent));
gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);
if (gdev->id < 0) {
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 6aeea1071b1b..12c2c32d42d2 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -503,13 +503,6 @@ struct gpio_chip {
* the device tree automatically may have an OF translation
*/
- /**
- * @of_node:
- *
- * Pointer to a device tree node representing this GPIO controller.
- */
- struct device_node *of_node;
-
/**
* @of_gpio_n_cells:
*
--
2.35.1
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