@@ -2872,19 +2872,15 @@ int gpiod_direction_output_nonotify(struct gpio_desc *desc, int value)
if (!ret)
goto set_output_value;
/* Emulate open drain by not actively driving the line high */
- if (value) {
- ret = gpiod_direction_input_nonotify(desc);
+ if (value)
goto set_output_flag;
- }
} else if (test_bit(FLAG_OPEN_SOURCE, &flags)) {
ret = gpio_set_config(desc, PIN_CONFIG_DRIVE_OPEN_SOURCE);
if (!ret)
goto set_output_value;
/* Emulate open source by not actively driving the line low */
- if (!value) {
- ret = gpiod_direction_input_nonotify(desc);
+ if (!value)
goto set_output_flag;
- }
} else {
gpio_set_config(desc, PIN_CONFIG_DRIVE_PUSH_PULL);
}
@@ -2896,15 +2892,17 @@ int gpiod_direction_output_nonotify(struct gpio_desc *desc, int value)
return gpiod_direction_output_raw_commit(desc, value);
set_output_flag:
+ ret = gpiod_direction_input_nonotify(desc);
+ if (ret)
+ return ret;
/*
* When emulating open-source or open-drain functionalities by not
* actively driving the line (setting mode to input) we still need to
* set the IS_OUT flag or otherwise we won't be able to set the line
* value anymore.
*/
- if (ret == 0)
- set_bit(FLAG_IS_OUT, &desc->flags);
- return ret;
+ set_bit(FLAG_IS_OUT, &desc->flags);
+ return 0;
}
/**
Deduplicate gpiod_direction_input_nonotify() call in gpiod_direction_output_nonotify() when emulating open-drain or open-source behaviour. It also aligns the error check approaches in set_output_value and set_output_flag labels. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/gpio/gpiolib.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-)