Re: [RFC v2 06/11] gpiolib: Add HTE support

[Linus Walleij]

On Fri, Oct 1, 2021 at 1:26 AM Dipen Patel <dipenp@xxxxxxxxxx> wrote:

> Some GPIO chip can provide hardware timestamp support on its GPIO lines
> , in order to support that additional API needs to be added which
> can talk to both GPIO chip and HTE (hardware timestamping engine)
> subsystem. This patch introduces APIs which gpio consumer can use
> to request hardware assisted timestamping. Below is the list of the APIs
> that are added in gpiolib subsystem.
>
> - gpiod_req_hw_timestamp_ns - Request HTE on specified GPIO line.
> - gpiod_rel_hw_timestamp_ns - Release HTE functionality on GPIO line.
>
> Signed-off-by: Dipen Patel <dipenp@xxxxxxxxxx>
> ---
> Changes in v2:
> - removed get timestamp and is timestamp enabled APIs

Pretty straight forward IMO
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij