linux-kernel - Re: [PATCH 1/5] regulator: Add ena_gpio

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Message-ID: <20141007191819.GI5042@pengutronix.de>
Date:	Tue, 7 Oct 2014 21:18:19 +0200
From:	Markus Pargmann <mpa@...gutronix.de>
To:	Mark Brown <broonie@...nel.org>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH 1/5] regulator: Add ena_gpio_valid config

On Tue, Oct 07, 2014 at 05:19:33PM +0100, Mark Brown wrote:
> On Tue, Oct 07, 2014 at 03:03:20PM +0200, Markus Pargmann wrote:
> > On Tue, Oct 07, 2014 at 12:53:35PM +0100, Mark Brown wrote:
> 
> > > 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.
> 
> No, I think this is missing the point a bit - if we need to introduce
> this such that all drivers are instantly buggy without an update that's
> probably an indication that we're introducing compatibility problems.

Yes, it was designed to not be compatible with the old way of setting up
ena_gpio. But I think it shouldn't be a problem to get it backwads
compatible. I will fix the series and send the next version with one
core patch and another one which adds ena_gpio_valid to the drivers.

Thanks,

Markus

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