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

No more users.
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>

Documentation/driver-api/gpio/legacy.rst

@@ -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
 --------------------

Documentation/translations/zh_CN/driver-api/gpio/legacy.rst

@@ -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
 ----------------

Documentation/translations/zh_TW/gpio.txt

@@ -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
 --------------------

drivers/gpio/gpiolib-legacy.c

@@ -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);

include/linux/gpio.h

@@ -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;