On Sat, Jun 26, 2021 at 1:48 AM Dipen Patel <dipenp@xxxxxxxxxx> wrote: > This patch adds new clock type for the GPIO controller which can > timestamp gpio lines using hardware means. To expose such > functionalities to the userspace, code has been added in this patch > where during line create call, it checks for new clock type and if > requested, calls hardware timestamp related API from gpiolib.c. > During line change event, it retrieves timestamp in nano seconds by > calling gpiod_get_hw_timestamp API from gpiolib.c. At the line release, > it disables this functionality by calling gpiod_hw_timestamp_control. > > Signed-off-by: Dipen Patel <dipenp@xxxxxxxxxx> This looks good to me, pretty much exactly as I imagine it should be done, and it is also nice that we only implement it for the v2 UAPI. Yours, Linus Walleij
