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

From: Bagas Sanjaya
Date: Fri Jan 20 2023 - 07:43:39 EST


[Also Cc: linux-doc list]

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/

> 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.

--
An old man doll... just what I always wanted! - Clara

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