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gpiolib: legacy: Make sure we kill gpio_request_one() first

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Make sure we kill gpio_request_one() first by converting it to
use legacy APIs that will be alive a bit longer. In particular,
this also shows the code we will use in another function to make
it die independently.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20251112093608.1481030-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2025-11-12 10:32:01 +01:00 • committed by Bartosz Golaszewski
parent 82e71fe436
commit 61e1fd2abc
1 changed files with 4 additions and 14 deletions
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18
drivers/gpio/gpiolib-legacy.c
View file

@ -34,30 +34,20 @@ EXPORT_SYMBOL_GPL(gpio_free);
*/
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
{
struct gpio_desc *desc;
int err;
/* Compatibility: assume unavailable "valid" GPIOs will appear later */
desc = gpio_to_desc(gpio);
if (!desc)
return -EPROBE_DEFER;
err = gpiod_request(desc, label);
err = gpio_request(gpio, label);
if (err)
return err;
if (flags & GPIOF_IN)
err = gpiod_direction_input(desc);
err = gpio_direction_input(gpio);
else
err = gpiod_direction_output_raw(desc, !!(flags & GPIOF_OUT_INIT_HIGH));
err = gpio_direction_output(gpio, !!(flags & GPIOF_OUT_INIT_HIGH));
if (err)
goto free_gpio;
gpio_free(gpio);
return 0;
free_gpio:
gpiod_free(desc);
return err;
}
EXPORT_SYMBOL_GPL(gpio_request_one);