diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-01-02 23:08:50 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-01-30 15:55:29 +0100 |
| commit | f2527d8f566a45fa00ee5abd04d1c9476d4d704f (patch) | |
| tree | 8afbedc450ea363b663a3a7c60800783df14b34a /Documentation/driver-api | |
| parent | 6f8ecb7f85f441eb7d78ba2a4df45ee8a821934e (diff) | |
gpio: Remove unused and obsoleted gpio_export_link()
gpio_export_link() is legacy and unused API, remove it for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/gpio/legacy.rst | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/Documentation/driver-api/gpio/legacy.rst b/Documentation/driver-api/gpio/legacy.rst index e17910cc3271..e3e9d26a60ce 100644 --- a/Documentation/driver-api/gpio/legacy.rst +++ b/Documentation/driver-api/gpio/legacy.rst @@ -735,10 +735,6 @@ requested using gpio_request():: /* reverse gpio_export() */ void gpio_unexport(); - /* create a sysfs link to an exported GPIO node */ - int gpio_export_link(struct device *dev, const char *name, - unsigned gpio) - After a kernel driver requests a GPIO, it may only be made available in the sysfs interface by gpio_export(). The driver can control whether the signal direction may change. This helps drivers prevent userspace code @@ -748,11 +744,6 @@ This explicit exporting can help with debugging (by making some kinds of experiments easier), or can provide an always-there interface that's suitable for documenting as part of a board support package. -After the GPIO has been exported, gpio_export_link() allows creating -symlinks from elsewhere in sysfs to the GPIO sysfs node. Drivers can -use this to provide the interface under their own device in sysfs with -a descriptive name. - API Reference ============= |