From 2f804aca48322f02a8f44cca540663845ee80fb1 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 30 May 2023 01:14:45 +0300 Subject: [PATCH] gpiolib: Kill unused GPIOF_EXPORT and Co There is no use of the GPIOF_EXPORT in the kernel. Kill it for good. Signed-off-by: Andy Shevchenko Reviewed-by: Linus Walleij Signed-off-by: Bartosz Golaszewski --- Documentation/driver-api/gpio/legacy.rst | 3 --- Documentation/translations/zh_CN/driver-api/gpio/legacy.rst | 3 --- Documentation/translations/zh_TW/gpio.txt | 3 --- drivers/gpio/gpiolib-legacy.c | 6 ------ include/linux/gpio.h | 5 ----- 5 files changed, 20 deletions(-) diff --git a/Documentation/driver-api/gpio/legacy.rst b/Documentation/driver-api/gpio/legacy.rst index 78372853c6d4d6..c5f98a78499ff8 100644 --- a/Documentation/driver-api/gpio/legacy.rst +++ b/Documentation/driver-api/gpio/legacy.rst @@ -322,9 +322,6 @@ where 'flags' is currently defined to specify the following properties: * GPIOF_OPEN_DRAIN - gpio pin is open drain type. * GPIOF_OPEN_SOURCE - gpio pin is open source type. - * GPIOF_EXPORT_DIR_FIXED - export gpio to sysfs, keep direction - * GPIOF_EXPORT_DIR_CHANGEABLE - also export, allow changing direction - since GPIOF_INIT_* are only valid when configured as output, so group valid combinations as: diff --git a/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst b/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst index 84ce2322fdbac6..8720970393fbc9 100644 --- a/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst +++ b/Documentation/translations/zh_CN/driver-api/gpio/legacy.rst @@ -297,9 +297,6 @@ gpio_request()前将这类细节配置好，例如使用引脚控制子系统的 * GPIOF_OPEN_DRAIN - gpio引脚为开漏信号 * GPIOF_OPEN_SOURCE - gpio引脚为源极开路信号 - * GPIOF_EXPORT_DIR_FIXED - 将 gpio 导出到 sysfs，并保持方向 - * GPIOF_EXPORT_DIR_CHANGEABLE - 同样是导出, 但允许改变方向 - 因为 GPIOF_INIT_* 仅有在配置为输出的时候才存在,所以有效的组合为: * GPIOF_IN - 配置为输入 diff --git a/Documentation/translations/zh_TW/gpio.txt b/Documentation/translations/zh_TW/gpio.txt index 62e560ffe62833..e0b96d897fa7b0 100644 --- a/Documentation/translations/zh_TW/gpio.txt +++ b/Documentation/translations/zh_TW/gpio.txt @@ -303,9 +303,6 @@ gpio_request()前將這類細節配置好，例如使用 pinctrl 子系統的映 * GPIOF_OPEN_DRAIN - gpio引腳爲開漏信號 * GPIOF_OPEN_SOURCE - gpio引腳爲源極開路信號 - * GPIOF_EXPORT_DIR_FIXED - 將 gpio 導出到 sysfs，並保持方向 - * GPIOF_EXPORT_DIR_CHANGEABLE - 同樣是導出, 但允許改變方向 - 因爲 GPIOF_INIT_* 僅有在配置爲輸出的時候才存在,所以有效的組合爲: * GPIOF_IN - 配置爲輸入 diff --git a/drivers/gpio/gpiolib-legacy.c b/drivers/gpio/gpiolib-legacy.c index 30e2476a6dc4e0..c5cc828750b735 100644 --- a/drivers/gpio/gpiolib-legacy.c +++ b/drivers/gpio/gpiolib-legacy.c @@ -51,12 +51,6 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) if (err) goto free_gpio; - if (flags & GPIOF_EXPORT) { - err = gpiod_export(desc, flags & GPIOF_EXPORT_CHANGEABLE); - if (err) - goto free_gpio; - } - return 0; free_gpio: diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 8528353e073b65..86963a00b018e7 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -38,11 +38,6 @@ struct device; /* Gpio pin is open source */ #define GPIOF_OPEN_SOURCE (1 << 4) -#define GPIOF_EXPORT (1 << 5) -#define GPIOF_EXPORT_CHANGEABLE (1 << 6) -#define GPIOF_EXPORT_DIR_FIXED (GPIOF_EXPORT) -#define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE) - /** * struct gpio - a structure describing a GPIO with configuration * @gpio: the GPIO number