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Date:	Tue, 7 Oct 2014 15:03:20 +0200
From:	Markus Pargmann <>
To:	Mark Brown <>
Cc:	Liam Girdwood <>,,,
Subject: Re: [PATCH 1/5] regulator: Add ena_gpio_valid config


On Tue, Oct 07, 2014 at 12:53:35PM +0100, Mark Brown wrote:
> On Mon, Oct 06, 2014 at 10:17:11PM +0200, Markus Pargmann wrote:
> > Most drivers do not set the ena_gpio field of struct regulator_config
> > before passing it to the regulator core. This is fine as long as the
> > gpio identifier that is passed is a positive integer. But the gpio
> > identifier 0 is also valid. So we are not able to decide wether we got a
> > real gpio identifier or not.
> > 
> > To be able to decide if it is a valid gpio that got passed, this patch
> > adds a ena_gpio_valid field that should be set if ena_gpio is a valid
> > gpio and should be used. It is a preperation patch for multiple patches
> > that adapt the drivers and fix the regulator core checks for this field.
> This should be part of the patch adding meaningful behaviour for the
> flag, it's pointless separately.

I tried to keep the series bisectable while having different patches for
the drivers and the core. By splitting this 'ena_gpio_valid' field into
a seperate patch, the rest of the drivers will still compile and work
until the core condition was changed to ena_gpio_valid.

But I can squash the three patches into one.

Best regards,


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