On 12/02/2022 00:31, Danilo Krummrich wrote: > The PS/2 bus defines the data and clock line be open drain, therefore > document this in the dt-binding and enforce the particular flag in the > driver. > > Without enforcing to flag at least the clock gpio as open drain we run > into the following warning: > > WARNING: CPU: 1 PID: 40 at drivers/gpio/gpiolib.c:3175 gpiochip_enable_irq+0x54/0x90 > > gpiochip_enable_irq() warns on a GPIO being configured as output and > using IRQ without being flagged as open drain. > > Signed-off-by: Danilo Krummrich <danilokrummrich@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/serio/ps2-gpio.yaml | 14 ++++++++++---- > drivers/input/serio/ps2-gpio.c | 9 +++++++-- > 2 files changed, 17 insertions(+), 6 deletions(-) > Bindings as separate patch, please. Best regards, Krzysztof