Re: [PATCH 2/2] mfd: wm8994-core: Don't use managed regulator bulk get API
From: Viresh Kumar
Date: Thu Sep 15 2016 - 11:09:02 EST
On 15-09-16, 15:47, Mark Brown wrote:
> On Thu, Sep 15, 2016 at 04:47:01PM +0530, Viresh Kumar wrote:
>
> > Fix the kernel warnings and crashes by moving away from managed
> > regulator bulk get API by using regulator_bulk_get() and explicitly
> > calling regulator_put() for all the supplies in exit paths.
>
> Moving away from regulator bulk get to regulator bulk get?
Moving away from "managed" regulator bulk get to regulator bulk get?
Isn't this how we call the devm_* APIs as?
> > - ret = devm_regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
> > + ret = regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
> > wm8994->supplies);
>
> > +err_regulator_put:
> > + for (i = wm8994->num_supplies - 1; i >= 0; i--)
> > + regulator_put(wm8994->supplies[i].consumer);
>
> Why are you unwinding regulator_bulk_get() with an open coded
> regulator_bulk_put()?
Because there is no regulator_bulk_put(). Should I add it?
> Also please think hard before including complete backtraces in upstream
> reports, they are very large and contain almost no useful information
> relative to their size so often obscure the relevant content in your
> message. If part of the backtrace is usefully illustrative then it's
> usually better to pull out the relevant sections.
Sure, will add only relevant bits in the next version.
--
viresh