From: mpa@pengutronix.de (Markus Pargmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/5] regulator: Set ena_gpio_valid in regulator drivers
Date: Tue, 7 Oct 2014 15:05:03 +0200 [thread overview]
Message-ID: <20141007130503.GG5042@pengutronix.de> (raw)
In-Reply-To: <20141007115817.GX4609@sirena.org.uk>
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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next prev parent reply other threads:[~2014-10-07 13:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-06 20:17 [PATCH 0/5] regulator: Fix core behaviour for gpio 0 Markus Pargmann
2014-10-06 20:17 ` [PATCH 1/5] regulator: Add ena_gpio_valid config Markus Pargmann
2014-10-07 11:53 ` Mark Brown
2014-10-07 13:03 ` Markus Pargmann
2014-10-07 16:19 ` Mark Brown
2014-10-07 19:18 ` Markus Pargmann
2014-10-06 20:17 ` [PATCH 2/5] regulator: Set ena_gpio_valid in regulator drivers Markus Pargmann
2014-10-07 8:46 ` Krzysztof Kozłowski
2014-10-07 9:10 ` Markus Pargmann
2014-10-07 11:58 ` Mark Brown
2014-10-07 13:05 ` Markus Pargmann [this message]
2014-10-06 20:17 ` [PATCH 3/5] regulator: Fix ena_gpio check Markus Pargmann
2014-10-06 20:17 ` [PATCH 4/5] regulator: Use gpio_is_valid Markus Pargmann
2014-10-07 12:01 ` Mark Brown
2014-10-07 13:07 ` Markus Pargmann
2014-10-07 16:20 ` Mark Brown
2014-10-06 20:17 ` [PATCH 5/5] regulator: Remove unnecessary ena_gpio initializations Markus Pargmann
2014-10-07 8:52 ` Krzysztof Kozłowski
2014-10-07 9:14 ` Markus Pargmann
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