Re: [PATCH 2/5] regulator: Set ena_gpio_valid in regulator drivers

[Markus Pargmann]

Hi,

On Tue, Oct 07, 2014 at 12:58:17PM +0100, Mark Brown wrote:
> On Mon, Oct 06, 2014 at 10:17:12PM +0200, Markus Pargmann wrote:
> > This patch sets the new field ena_gpio_valid for all drivers which set a
> > valid ena_gpio.
> 
> >  	config.ena_gpio = arizona->pdata.ldoena;
> > +	config.ena_gpio_valid = true;
> 
> This patch just unconditionally sets the flag in all drivers which will
> break any system which relies on the existing behaviour that we ignore
> GPIO 0.  We can definitely set this flag in any DT only system if we get
> the GPIO from DT but otherwise doing this defeats the point of having
> the flag in the first place.

Right, I didn't thought about the old platform data which may pass 0
gpios indicating that there is no gpio.
I will rework this patch.

Thanks,

Markus

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