On Sun, Feb 28, 2021 at 4:55 AM Shawn Guo <shawn.guo@xxxxxxxxxx> wrote: > > In case of ACPI boot, GPIO core does the right thing to parse GPIO pin > configs from ACPI table, and call into gpio_chip's .set_config hook for > setting them up. It enables such support on qcom platform by using > generic config function, which in turn calls into .pin_config_set of > pinconf for setting up hardware. For qcom platform, it's possible to > reuse pin group config functions for pin config hooks, because every pin > is maintained as a single group. > > This change fixes the problem that Touchpad of Lenovo Flex 5G laptop > doesn't work with ACPI boot, because PullUp config of Touchpad GpioInt > pin is not set up by kernel driver. by the kernel ... > .pin_config_group_get = msm_config_group_get, > .pin_config_group_set = msm_config_group_set, > + .pin_config_get = msm_config_group_get, > + .pin_config_set = msm_config_group_set, This can't be right. They have different semantics. -- With Best Regards, Andy Shevchenko