linux-kernel - Re: [PATCH 1/8] soundwire: bus_type: add master

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Date:   Mon, 23 Mar 2020 17:46:01 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Hui Wang <hui.wang@...onical.com>, broonie@...nel.org,
        srinivas.kandagatla@...aro.org, jank@...ence.com,
        slawomir.blauciak@...el.com, Sanyog Kale <sanyog.r.kale@...el.com>,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>
Subject: Re: [PATCH 1/8] soundwire: bus_type: add master_device/driver support

On 20-03-20, 11:36, Pierre-Louis Bossart wrote:
> 
> 
> On 3/20/20 10:33 AM, Vinod Koul wrote:
> > On 16-03-20, 14:15, Pierre-Louis Bossart wrote:
> > > 
> > > 
> > > > > It's really down to your objection to the use of 'struct driver'... For ASoC
> > > > > support we only need the .name and .pm_ops, so there's really no possible
> > > > > path forward otherwise.
> > > > 
> > > > It means that we cannot have a solution which is Intel specific into
> > > > core. If you has a standalone controller you do not need this.
> > > 
> > > A 'struct driver' is not Intel-specific, sorry.
> > 
> > We are discussing 'struct sdw_master_driver'. Please be very specific in
> > you replies and do not use incorrect terminology which confuses people.
> > 
> > Sorry a 'struct sdw_master_driver' IMHO is. As I have said it is not
> > needed if you have standalone controller even in Intel case, and rest of
> > the world.
> 
> You're splitting hair without providing a solution.
> 
> Please see the series [PATCH 0/5] soundwire: add sdw_master_device support
> on Qualcomm platforms
> 
> This solution was tested on Qualcomm platforms, that doesn't require this
> sdw_master_driver to be used, so your objections are now invalid.

I have given you a solution which you dont like. I have asked you to
talk to your colleagues at Intel, I have not heard back. I cant do
anymore than this.

testing on QC boards doesnt make sense, the contention is
'sdw_master_driver' which doesnt get used. I have said earlier, will say
again, if you drop this piece I am ready to apply the rest of the
patches.

-- 
~Vinod