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From: Mark Brown <broonie@kernel.org>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	linux-usb@vger.kernel.org, Felipe Balbi <balbi@kernel.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Roger Quadros <rogerq@ti.com>,
	linux-pm@vger.kernel.org, "Rafael J. Wysocki" <rafael@kernel.org>,
	Sebastian Reichel <sre@kernel.org>,
	linux-omap@vger.kernel.org, Darren Hart <dvhart@infradead.org>,
	platform-driver-x86@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Grant Likely <grant.likely@linaro.org>,
	Andrzej Hajda <a.hajda@samsung.com>
Subject: [v1,1/5] drivercore: Revert "deferral race condition fix"
Date: Tue, 13 Nov 2018 16:33:45 -0800	[thread overview]
Message-ID: <20181114003345.GV2089@sirena.org.uk> (raw)

On Mon, Nov 12, 2018 at 06:11:26PM +0200, Peter Ujfalusi wrote:

> if we revert the commit then the original issue will re-surfaces. afaik
> it was not only audio which hit the 'last driver to be probed from the
> deferred list would never probe, unless we provoke the kernel to load
> additional module, or remove/reload the module' issue.

Right, aren't we just going to be swapping one bug for another?

> Do I understand correctly that in your case you have two modules
> (dwc3-pci and extcon-intel-mrfld) in a deferred probe loop, iow both of
> the drivers returns -EPROBE_DEFER and they just spin?

> If both is deferring, how this supposed to work?

I'm struggling to follow the original explanation too :(

             reply	other threads:[~2018-11-14  0:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14  0:33 Mark Brown [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-11-14 10:19 [v1,1/5] drivercore: Revert "deferral race condition fix" Peter Ujfalusi
2018-11-14  8:45 Andy Shevchenko
2018-11-12 16:11 Peter Ujfalusi
2018-11-11 11:45 Hans de Goede
2018-11-10 18:36 Andy Shevchenko
2018-11-10 18:26 Greg Kroah-Hartman
2018-11-10 18:10 Andy Shevchenko

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