On Feb 20 2017 or thereabouts, Andy Shevchenko wrote: > There are three possibilities in gpiod_count(): ACPI, OF, and > platform data. > > Some of them return 0, which requires to be handled separately, though > developers rather lazy and just shadow an actual error code. > > Let's make this API consistent by not allowing 0 in returned value. > > There are luckily only 3 users right now, one of them handles this > properly, the rest is converted in this series. > > Series is supposed to go through GPIO tree. > > Andy Shevchenko (4): > gpio: acpi: Don't return 0 on acpi_gpio_count() > gpio: of: Don't return 0 on dt_gpio_count() > platform/x86: surface3_button: Propagate error from gpiod_count() > Input: soc_button_array - Propagate error from gpiod_count() Not sure if this still matters, but still: Acked-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Cheers, Benjamin > > drivers/gpio/gpiolib-acpi.c | 4 ++-- > drivers/gpio/gpiolib.c | 4 ++-- > drivers/input/misc/soc_button_array.c | 5 +++-- > drivers/platform/x86/surface3_button.c | 5 +++-- > 4 files changed, 10 insertions(+), 8 deletions(-) > > -- > 2.11.0 > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html