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From: Lee Jones <lee.jones@linaro.org>
To: Mark Brown <broonie@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
	patches@opensource.cirrus.com, alsa-devel@alsa-project.org,
	linux-kernel@vger.kernel.org,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Charles Keepax <ckeepax@opensource.cirrus.com>,
	Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH 4/4] ASoC: wm8994: Silence warnings during deferred probe
Date: Wed, 29 Apr 2020 08:15:53 +0100	[thread overview]
Message-ID: <20200429071553.GW3559@dell> (raw)
In-Reply-To: <20200428111413.GD5677@sirena.org.uk>

On Tue, 28 Apr 2020, Mark Brown wrote:

> On Tue, Apr 28, 2020 at 11:36:38AM +0100, Lee Jones wrote:
> > On Mon, 27 Apr 2020, Mark Brown wrote:
> 
> > > This completely eliminates the diagnostics which means that if the clock
> > > isn't there the user is a bit stuck trying to work out what's missing.
> > > There should still be a diagnostic.
> 
> > The driver won't defer forever though.  The final pass should fail
> > with a different error.  At which point the error will be released to
> > the system log, no?
> 
> One of the really common cases is that someone forgot to build the
> driver for the dependency so it'll just defer forever waiting for
> something that never loads.

Need to find another way to identify these failures.  There are 10's
if not 100's of cases of silently returning if -EPROBE_DEFER is
caught.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2020-04-29  7:15 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200427074841eucas1p10523e8e342a8fa2d7cdfb2bc4e25d485@eucas1p1.samsung.com>
2020-04-27  7:48 ` [PATCH RESEND 0/4] Minor WM8994 MFD/codec fixes Marek Szyprowski
2020-04-27  7:48   ` [PATCH 1/4] mfd: wm8994: Fix driver operation if loaded as modules Marek Szyprowski
2020-04-28 10:37     ` Lee Jones
2020-05-22  8:06     ` Lee Jones
2020-04-27  7:48   ` [PATCH 2/4] mfd: wm8994: Fix unbalanced calls to regulator_bulk_disable() Marek Szyprowski
2020-04-28 10:37     ` Lee Jones
2020-05-22  8:07     ` Lee Jones
2020-04-27  7:48   ` [PATCH 3/4] mfd: wm8994: Silence warning about supplies during deferred probe Marek Szyprowski
2020-04-27 10:31     ` Charles Keepax
2020-05-22  8:07     ` Lee Jones
2020-04-27  7:48   ` [PATCH 4/4] ASoC: wm8994: Silence warnings " Marek Szyprowski
2020-04-27 10:32     ` Charles Keepax
2020-04-27 11:22     ` Mark Brown
2020-04-28 10:36       ` Lee Jones
2020-04-28 11:14         ` Mark Brown
2020-04-29  7:15           ` Lee Jones [this message]
2020-04-29  9:56             ` Mark Brown
2020-05-22  7:57   ` [PATCH RESEND 0/4] Minor WM8994 MFD/codec fixes Marek Szyprowski

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