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Date: Mon, 4 Oct 2021 00:01:29 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: Dipen Patel <dipenp@...dia.com> Cc: "thierry.reding@...il.com" <thierry.reding@...il.com>, Jon Hunter <jonathanh@...dia.com>, linux-kernel <linux-kernel@...r.kernel.org>, linux-tegra <linux-tegra@...r.kernel.org>, "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>, Bartosz Golaszewski <bgolaszewski@...libre.com>, Kent Gibson <warthog618@...il.com>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, Linux Doc Mailing List <linux-doc@...r.kernel.org>, Rob Herring <robh+dt@...nel.org> Subject: Re: [RFC v2 06/11] gpiolib: Add HTE support On Fri, Oct 1, 2021 at 1:26 AM Dipen Patel <dipenp@...dia.com> 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@...dia.com> > --- > Changes in v2: > - removed get timestamp and is timestamp enabled APIs Pretty straight forward IMO Reviewed-by: Linus Walleij <linus.walleij@...aro.org> Yours, Linus Walleij
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