netdev - Re: [net-next v4 10/12] ASoC: SOF: Introduce descriptors for SOF client

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Message-ID: <20200525165504.GF744@ziepe.ca>
Date:   Mon, 25 May 2020 13:55:04 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        davem@...emloft.net, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, nhorman@...hat.com,
        sassmann@...hat.com, Fred Oh <fred.oh@...ux.intel.com>
Subject: Re: [net-next v4 10/12] ASoC: SOF: Introduce descriptors for SOF
 client

On Sat, May 23, 2020 at 02:41:51PM -0500, Pierre-Louis Bossart wrote:

> If yes, that's yet another problem... During the PCI probe, we start a
> workqueue and return success to avoid blocking everything. And only 'later'
> do we actually create the card. So that's two levels of probe that cannot
> report a failure. I didn't come up with this design, IIRC this is due to
> audio-DRM dependencies and it's been used for 10+ years.

I think there are more tools now than 10 years ago, maybe it is time
to revisit designs like this - clearly something is really wrong with
it based on your explanations.

Jason