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gpiolib: legacy: Remove unused gpio_request_array() and gpio_free_array() 

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Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2024-03-07 15:49:05 +02:00 committed by Bartosz Golaszewski
parent dd4ced4b68
commit dbcedec3a3
5 changed files with 0 additions and 103 deletions
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16
Documentation/driver-api/gpio/legacy.rst
View File

@ -225,8 +225,6 @@ setup or driver probe/teardown code, so this is an easy constraint.)::
gpio_request()
## gpio_request_one()
## gpio_request_array()
## gpio_free_array()
gpio_free()
@ -295,14 +293,6 @@ are claimed, three additional calls are defined::
*/
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
/* request multiple GPIOs in a single call
*/
int gpio_request_array(struct gpio *array, size_t num);
/* release multiple GPIOs in a single call
*/
void gpio_free_array(struct gpio *array, size_t num);
where 'flags' is currently defined to specify the following properties:
* GPIOF_DIR_IN - to configure direction as input
@ -341,12 +331,6 @@ A typical example of usage::
if (err)
...
err = gpio_request_array(leds_gpios, ARRAY_SIZE(leds_gpios));
if (err)
...
gpio_free_array(leds_gpios, ARRAY_SIZE(leds_gpios));
GPIOs mapped to IRQs
--------------------

16
Documentation/translations/zh_CN/driver-api/gpio/legacy.rst
View File

@ -208,8 +208,6 @@ GPIO 值的命令需要等待其信息排到队首才发送命令，再获得其
gpio_request()
## gpio_request_one()
## gpio_request_array()
## gpio_free_array()
gpio_free()
@ -272,14 +270,6 @@ gpio_request()前将这类细节配置好，例如使用引脚控制子系统的
*/
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
/* 在单个函数中申请多个 GPIO
*/
int gpio_request_array(struct gpio *array, size_t num);
/* 在单个函数中释放多个 GPIO
*/
void gpio_free_array(struct gpio *array, size_t num);
这里 'flags' 当前定义可指定以下属性:
* GPIOF_DIR_IN - 配置方向为输入
@ -317,12 +307,6 @@ gpio_request()前将这类细节配置好，例如使用引脚控制子系统的
if (err)
...
err = gpio_request_array(leds_gpios, ARRAY_SIZE(leds_gpios));
if (err)
...
gpio_free_array(leds_gpios, ARRAY_SIZE(leds_gpios));
GPIO 映射到 IRQ
----------------

17
Documentation/translations/zh_TW/gpio.txt
View File

@ -215,13 +215,10 @@ GPIO 值的命令需要等待其信息排到隊首才發送命令，再獲得其
gpio_request()
## gpio_request_one()
## gpio_request_array()
## gpio_free_array()
gpio_free()
聲明和釋放 GPIO
----------------------------
爲了有助於捕獲系統配置錯誤,定義了兩個函數。
@ -278,14 +275,6 @@ gpio_request()前將這類細節配置好，例如使用 pinctrl 子系統的映
*/
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
/* 在單個函數中申請多個 GPIO
*/
int gpio_request_array(struct gpio *array, size_t num);
/* 在單個函數中釋放多個 GPIO
*/
void gpio_free_array(struct gpio *array, size_t num);
這裡 'flags' 當前定義可指定以下屬性:
* GPIOF_DIR_IN - 配置方向爲輸入
@ -323,12 +312,6 @@ gpio_request()前將這類細節配置好，例如使用 pinctrl 子系統的映
if (err)
...
err = gpio_request_array(leds_gpios, ARRAY_SIZE(leds_gpios));
if (err)
...
gpio_free_array(leds_gpios, ARRAY_SIZE(leds_gpios));
GPIO 映射到 IRQ
--------------------

39
drivers/gpio/gpiolib-legacy.c
View File

@ -72,42 +72,3 @@ int gpio_request(unsigned gpio, const char *label)
return gpiod_request(desc, label);
}
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)
{
int i, err;
for (i = 0; i < num; i++, array++) {
err = gpio_request_one(array->gpio, array->flags, array->label);
if (err)
goto err_free;
}
return 0;
err_free:
while (i--)
gpio_free((--array)->gpio);
return err;
}
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)
{
while (num--)
gpio_free((array++)->gpio);
}
EXPORT_SYMBOL_GPL(gpio_free_array);

15
include/linux/gpio.h
View File

@ -114,8 +114,6 @@ static inline int gpio_to_irq(unsigned gpio)
}
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
int gpio_request_array(const struct gpio *array, size_t num);
void gpio_free_array(const struct gpio *array, size_t num);
/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */
@ -146,11 +144,6 @@ static inline int gpio_request_one(unsigned gpio,
return -ENOSYS;
}
static inline int gpio_request_array(const struct gpio *array, size_t num)
{
return -ENOSYS;
}
static inline void gpio_free(unsigned gpio)
{
might_sleep();
@ -159,14 +152,6 @@ static inline void gpio_free(unsigned gpio)
WARN_ON(1);
}
static inline void gpio_free_array(const struct gpio *array, size_t num)
{
might_sleep();
/* GPIO can never have been requested */
WARN_ON(1);
}
static inline int gpio_direction_input(unsigned gpio)
{
return -ENOSYS;