linux-kernel - Re: [alsa-devel] [RFC PATCH 0/2] soundwire: add master

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Date:   Fri, 14 Feb 2020 19:05:00 -0500
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        linux-kernel@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        vkoul@...nel.org, broonie@...nel.org,
        srinivas.kandagatla@...aro.org, jank@...ence.com,
        slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>
Subject: Re: [alsa-devel] [RFC PATCH 0/2] soundwire: add master_device/driver
 support

On Fri, Feb 14, 2020 at 05:34:40PM -0600, Pierre-Louis Bossart wrote:
> 
> My preference in terms of integration in drivers/soundwire would be
> 
> 1. Intel DAI cleanup (only one kfree missing, will resubmit v3 today)
> 
> 2. [PATCH 00/10] soundwire: bus: fix race conditions, add suspend-resume
> this series solves a lot of issues and should go first.
> 
> 3. ASoC/SOF integration (still with platform devices)
> I narrowed this down to 6 patches, that would help me submit the rest of the
> ASoC/SOF patches in Mark Brown's tree. That would be Intel specific. This
> step would be the first where everything SoundWire-related can be enabled in
> a build, and while we've caught a lot of cross-compilation issues it's
> likely some bots will find corner cases to keep us busy.
> 
> 4. master_device/driver transition: these updated patches removing platform
> devices + sysfs support + Qualcomm support (the last point would depend on
> the workload/support of Qualcomm/Linaro folks, I don't want to commit on
> their behalf).
> 
> 5. New SoundWire functionality for Intel platforms (clock-stop/restart and
> synchronized links). The code would be only located in drivers/soundwire and
> be easier to handle. For the synchronized links we still have a bit of
> validation work to do so it should really come last.
> 
> Would this work for everyone?

Sounds reasonable to me, but patches would show it best to see if there
are any issues :)

thanks,

greg k-h