Re: [PATCH] regulator: of: Lower the severity of the error with no container

From: Mark Brown
Date: Wed Oct 08 2014 - 19:46:15 EST

On Wed, Oct 08, 2014 at 03:59:12PM -0700, Guenter Roeck wrote:

> There is a log message "no parameters" for each regulator. This is printed
> unconditionally from print_constraints().

> Looking through the code again, looks like this is on purpose. It is just a bit
> annoying to get lots of those messages. One of the systems I am dealing with has
> 17 LTC2978 chips in it, with 8 channels each. That results in 136 times "no
> parameters" in the boot log. And that is not even a fully populated system;
> if fully populated, there can be more than 60 of those chips. 500+ lines of
> similar log messages is really a bit on the high side.

> It might help if there was a way to silence the messages, ie to make
> "print_constraints" optional.

Ah, from the constraints rather than from the DT parsing. I do like
having it there since it's enormously helpful in debugging and that is
a... specialist number of regulators you have in your system. We can
definitely at least add a boot argument or something to suppress them,
let me have a think if we want to do that by default.

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