linux-kernel - Re: [PATCH 00/10] soundwire: bus: fix race conditions, add suspend-resume

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Date:   Tue, 25 Feb 2020 09:23:34 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        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: [PATCH 00/10] soundwire: bus: fix race conditions, add
 suspend-resume



On 2/25/20 4:27 AM, Vinod Koul wrote:
> On 14-01-20, 18:08, Pierre-Louis Bossart wrote:
>> The existing mainline code for SoundWire does not handle critical race
>> conditions, and does not have any support for pm_runtime suspend or
>> clock-stop modes needed for e.g. jack detection or external VAD.
>>
>> As suggested by Vinod, these patches for the bus are shared first -
>> with the risk that they are separated from their actual use in Intel
>> drivers, so reviewers might wonder why they are needed in the first
>> place.
>>
>> For reference, the complete set of 90+ patches required for SoundWire
>> on Intel platforms is available here:
>>
>> https://github.com/thesofproject/linux/pull/1692
>>
>> These patches are not Intel-specific and are likely required for
>> e.g. Qualcomm-based implementations.
>>
>> All the patches in this series were generated during the joint
>> Intel-Realtek validation effort on Intel reference designs and
>> form-factor devices. The support for the initialization_complete
>> signaling is already available in the Realtek codecs drivers merged in
>> the ASoC tree (rt700, rt711, rt1308, rt715)
> 
> Applied all, thanks

Thanks Vinod, I'll now prepare the update for the transition away from 
platform devices (minor update needed on the RFC already reviewed by Greg).