linux-kernel - Re: [PATCH v8 00/11] (subset) Introduce atomic support for SCMI transports

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Date:   Wed, 22 Dec 2021 14:23:09 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Cristian Marussi <cristian.marussi@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Sudeep Holla <sudeep.holla@....com>, etienne.carriere@...aro.org,
        souvik.chakravarty@....com, Jonathan.Cameron@...wei.com,
        vincent.guittot@...aro.org, james.quinlan@...adcom.com,
        f.fainelli@...il.com
Subject: Re: [PATCH v8 00/11] (subset) Introduce atomic support for SCMI transports

On Mon, 20 Dec 2021 19:56:35 +0000, Cristian Marussi wrote:
> This series mainly aims to introduce atomic support for SCMI transports
> that can support it.
> 
> In [01/11], as a closely related addition, it is introduced a common way
> for a transport to signal to the SCMI core that it does not offer
> completion interrupts, so that the usual polling behaviour will be
> required: this can be done enabling statically a global polling behaviour
> for the whole transport with flag scmi_desc.force_polling OR dynamically
> enabling at runtime such polling behaviour on a per-channel basis using
> the flag scmi_chan_info.no_completion_irq, typically during .chan_setup().
> The usual per-command polling selection behaviour based on
> hdr.poll_completion is preserved as before.
> 
> [...]


Applied to sudeep.holla/linux (for-next/scmi), thanks!

[01/11] firmware: arm_scmi: Add configurable polling mode for transports
        https://git.kernel.org/sudeep.holla/c/a690b7e6e7
[02/11] firmware: arm_scmi: Make smc transport use common completions
        https://git.kernel.org/sudeep.holla/c/f716cbd33f
[03/11] firmware: arm_scmi: Add sync_cmds_completed_on_ret transport flag
        https://git.kernel.org/sudeep.holla/c/31d2f803c1
[04/11] firmware: arm_scmi: Make smc support sync_cmds_completed_on_ret
        https://git.kernel.org/sudeep.holla/c/117542b81f
[05/11] firmware: arm_scmi: Make optee support sync_cmds_completed_on_ret
        https://git.kernel.org/sudeep.holla/c/bf322084fe
[06/11] firmware: arm_scmi: Add support for atomic transports
        https://git.kernel.org/sudeep.holla/c/69255e7468
[07/11] firmware: arm_scmi: Add atomic mode support to smc transport
        https://git.kernel.org/sudeep.holla/c/0bfdca8a86
[08/11] firmware: arm_scmi: Add new parameter to mark_txdone
        https://git.kernel.org/sudeep.holla/c/94d0cd1da1


Deferring the last 3 for next release. We can see if we can include
latest spec change for clock atomic support 🤞.

--
Regards,
Sudeep