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Date:   Wed, 18 Aug 2021 18:52:48 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
        alsa-devel@alsa-project.org,
        "Rafael J . Wysocki" <rafael@kernel.org>, tiwai@suse.de,
        linux-kernel@vger.kernel.org, liam.r.girdwood@linux.intel.com,
        vkoul@kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>,
        Jason Gunthorpe <jgg@nvidia.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH 1/2] driver core: export
 driver_deferred_probe_trigger()
Message-ID: <20210818175248.GH4177@sirena.org.uk>
References: <20210817190057.255264-1-pierre-louis.bossart@linux.intel.com>
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On Wed, Aug 18, 2021 at 06:49:51PM +0200, Greg Kroah-Hartman wrote:
> On Wed, Aug 18, 2021 at 10:53:07AM -0500, Pierre-Louis Bossart wrote:

> > It's been that way for a very long time (2015?) for HDAudio support, see
> > sound/pci/hda/hda_bind.c. It's my understanding that it was a conscious
> > design decision to use vendor-specific modules, if available, and
> > fallback to generic modules if the first pass failed.

> If it has been this way for so long, what has caused the sudden change
> to need to export this and call this function?

The usage predates the hardware that requires firmware downloads -
that's very new.

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