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Re: [PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data structures in probe()

From Harald Geyer <harald@ccbib.org>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data structures in probe()
Date 2016-01-29 17:30 +0100
Message-ID <qWk5P-5O3-9@gated-at.bofh.it> (permalink)
References <qW13b-a7-3@gated-at.bofh.it> <qW13c-a7-13@gated-at.bofh.it> <qW3Ro-28Y-39@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Mark Brown writes:
> On Thu, Jan 28, 2016 at 07:55:17PM +0000, Harald Geyer wrote:
> > The data structures either have been copied in
> > of_get_gpio_regulator_config() already or are part of platform data,
> > which we keep a pointer to for the life time of the device anyway.
> 
> The point of this code is to avoid referring to platform data after
> probe for robustness.

Well, if we can't rely on platform data staying available after probe()
then probably we shouldn't keep a pointer to it - but thats a different
issue, so lets focus on the original problem:

What's your preferred way to fix the error path of probe() then?

Harald

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Thread

[PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data structures in probe() Harald Geyer <harald@ccbib.org> - 2016-01-28 21:10 +0100
  Re: [PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data  structures in probe() Mark Brown <broonie@kernel.org> - 2016-01-29 00:10 +0100
    Re: [PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data structures in probe() Harald Geyer <harald@ccbib.org> - 2016-01-29 17:30 +0100
      Re: [PATCH 1/2] regulator: gpio: Avoid unnecessarily copying data  structures in probe() Mark Brown <broonie@kernel.org> - 2016-02-03 18:30 +0100

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