Re: [RESEND PATCH v5 1/5] driver core: add probe_err log helper

[Mark Brown]

On Wed, Jun 24, 2020 at 04:45:28PM +0300, Andy Shevchenko wrote:
> On Wed, Jun 24, 2020 at 4:27 PM Mark Brown <broonie@xxxxxxxxxx> wrote:

> > As I said down the thread that's not a great pattern since it means that
> > probe deferral errors never get displayed and users have a hard time
> > figuring out why their driver isn't instantiating.

> Don't we have a file in the debugfs to list deferred drivers?

Part of what this patch series aims to solve is that that list is not
very useful since it doesn't provide any information on how things got
deferred which means it's of no use in trying to figure out any
problems.

> In the case of deferred probes the errors out of it makes users more
> miserable in order to look through tons of spam and lose really useful
> data in the logs.

I seem to never manage to end up using any of the systems which generate
excessive deferrals.

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