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gpio: legacy: mark old interfaces as deprecated in kernel docs

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We've recently had someone try to use of_get_named_gpio() in new code.
Mark legacy interfaces as deprecated in kernel docs to avoid any
confusion.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2024-01-04 19:20:34 +01:00
parent 6613476e22
commit f4028860a9
2 changed files with 14 additions and 0 deletions
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12
drivers/gpio/gpiolib-legacy.c
View File

@ -6,6 +6,9 @@
#include "gpiolib.h"
/*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*/
void gpio_free(unsigned gpio)
{
gpiod_free(gpio_to_desc(gpio));
@ -17,6 +20,8 @@ EXPORT_SYMBOL_GPL(gpio_free);
* @gpio: the GPIO number
* @flags: GPIO configuration as specified by GPIOF_*
* @label: a literal description string of this GPIO
*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*/
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
{
@ -53,6 +58,9 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
}
EXPORT_SYMBOL_GPL(gpio_request_one);
/*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*/
int gpio_request(unsigned gpio, const char *label)
{
struct gpio_desc *desc = gpio_to_desc(gpio);
@ -69,6 +77,8 @@ EXPORT_SYMBOL_GPL(gpio_request);
* gpio_request_array - request multiple GPIOs in a single call
* @array: array of the 'struct gpio'
* @num: how many GPIOs in the array
*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*/
int gpio_request_array(const struct gpio *array, size_t num)
{
@ -92,6 +102,8 @@ EXPORT_SYMBOL_GPL(gpio_request_array);
* gpio_free_array - release multiple GPIOs in a single call
* @array: array of the 'struct gpio'
* @num: how many GPIOs in the array
*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*/
void gpio_free_array(const struct gpio *array, size_t num)
{

2
drivers/gpio/gpiolib-of.c
View File

@ -414,6 +414,8 @@ out:
* @propname: Name of property containing gpio specifier(s)
* @index: index of the GPIO
*
* **DEPRECATED** This function is deprecated and must not be used in new code.
*
* Returns GPIO number to use with Linux generic GPIO API, or one of the errno
* value on the error condition.
*/