Re: [PATCH 4/4] ASoC: wm8994: Silence warnings during deferred probe

From: Lee Jones
Date: Tue Apr 28 2020 - 06:36:43 EST


On Mon, 27 Apr 2020, Mark Brown wrote:

> On Mon, Apr 27, 2020 at 09:48:32AM +0200, Marek Szyprowski wrote:
> > Don't confuse user with meaningless warning about the failure in getting
> > clocks in case of deferred probe.
>
> > if (ret < 0) {
> > - dev_err(&pdev->dev, "Failed to get clocks: %d\n", ret);
> > + if (ret != -EPROBE_DEFER)
> > + dev_err(&pdev->dev, "Failed to get clocks: %d\n", ret);
>
> 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?

--
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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