Re: [PATCH] firmware: arm_scmi: Clarify Raw per-channel ABI documentation

From: Cristian Marussi
Date: Fri Jan 20 2023 - 09:35:12 EST


On Fri, Jan 20, 2023 at 07:43:30PM +0700, Bagas Sanjaya wrote:
> [Also Cc: linux-doc list]
>

Sorry for missing the Cc but get_maintainer.pl did not say anything
about this ABI docs patches.

> On Fri, Jan 20, 2023 at 12:23:26PM +0000, Cristian Marussi wrote:
> > diff --git a/Documentation/ABI/testing/debugfs-scmi-raw b/Documentation/ABI/testing/debugfs-scmi-raw
> > index 5468ec08c084..b1c505ed444c 100644
> > --- a/Documentation/ABI/testing/debugfs-scmi-raw
> > +++ b/Documentation/ABI/testing/debugfs-scmi-raw
> > @@ -80,9 +80,13 @@ Description: SCMI Raw synchronous message injection/snooping facility; write
> > Each write to the entry causes one command request to be built
> > and sent while the replies are read back one message at time
> > (receiving an EOF at each message boundary).
> > + Channel identifier <m> matches the SCMI protocol number which
> > + has been associated with this transport channel in the DT
> > + description, with Base protocol number 0x10 being the default
> > + channel for this instance.
>
> s/Base/base/
>
Thought that being an SCMI protocol name definitions would have to be
capitalized.

> > Note that these per-channel entries rooted at <..>/channels
> > exist only if the transport is configured to have more than
> > - one channel.
> > + one default channel.
> > Users: Debugging, any userspace test suite
> >
> > What: /sys/kernel/debug/scmi/<n>/raw/channels/<m>/message_async
> > @@ -103,7 +107,11 @@ Description: SCMI Raw asynchronous message injection/snooping facility; write
> > Each write to the entry causes one command request to be built
> > and sent while the replies are read back one message at time
> > (receiving an EOF at each message boundary).
> > + Channel identifier <m> matches the SCMI protocol number which
> > + has been associated with this transport channel in the DT
> > + description, with Base protocol number 0x10 being the default
> > + channel for this instance.
>
> Same here.
>
> > Note that these per-channel entries rooted at <..>/channels
> > exist only if the transport is configured to have more than
> > - one channel.
> > + one default channel.
> > Users: Debugging, any userspace test suite
>
> Otherwise LGTM.
>
Thanks,
Cristian