From: Stephen Warren <swarren@wwwdotorg.org>
To: Alex Courbot <acourbot@nvidia.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>,
Stephen Warren <swarren@nvidia.com>,
Simon Glass <sjg@chromium.org>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
Thierry Reding <thierry.reding@avionic-design.de>
Subject: Re: [RFC][PATCH v3 1/3] runtime interpreted power sequences
Date: Mon, 06 Aug 2012 10:16:39 -0600 [thread overview]
Message-ID: <501FEDE7.1060202@wwwdotorg.org> (raw)
In-Reply-To: <501F2BAA.8000808@nvidia.com>
On 08/05/2012 08:27 PM, Alex Courbot wrote:
> On 08/04/2012 11:12 PM, Mark Brown wrote:
>> On Fri, Aug 03, 2012 at 10:15:46AM +0900, Alex Courbot wrote:
>>> On Fri 03 Aug 2012 03:11:12 AM JST, Mark Brown wrote:
>>
>>>> I missed some of the earlier bits of the thread here but why can't
>>>> we do
>>>> device based lookups?
...
> I think we only have two choices for this:
>
> 1) Stick to the scheme where resources are declared at the device level,
> such as they can be referenced by name in the sub-nodes (basically what
> I did in this patch):
>
> backlight {
> compatible = "pwm-backlight";
> ...
> backlight-supply = <&backlight_reg>;
>
> power-on-sequence {
> step@0 {
> regulator = "backlight";
> enable;
> };
>
> This would translate by a get_regulator(dev, "backlight") in the code
> which would be properly resolved.
Yes, upon reflection, that scheme does make sense. I withdraw the
comments I made re: whether it'd be better to just stick the phandles
into the steps.
next prev parent reply other threads:[~2012-08-06 16:16 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-27 12:05 [RFC][PATCH v3 0/3] Power sequences with PWM and DT support Alexandre Courbot
2012-07-27 12:05 ` [RFC][PATCH v3 1/3] runtime interpreted power sequences Alexandre Courbot
2012-07-27 18:19 ` Greg Kroah-Hartman
2012-07-30 1:51 ` Alex Courbot
2012-07-30 2:40 ` Gethering power management/policy hw drivers under drivers/power/? (Re: [RFC][PATCH v3 1/3] runtime interpreted power sequences) Anton Vorontsov
2012-07-30 20:59 ` Rafael J. Wysocki
2012-08-01 0:51 ` Anton Vorontsov
2012-08-06 8:45 ` Pihet-XID, Jean
2012-07-27 18:20 ` [RFC][PATCH v3 1/3] runtime interpreted power sequences Greg Kroah-Hartman
2012-07-30 11:00 ` Simon Glass
2012-07-31 8:37 ` Alex Courbot
2012-07-31 9:13 ` Thierry Reding
2012-07-31 10:11 ` Alex Courbot
2012-07-31 10:46 ` Thierry Reding
2012-07-31 14:23 ` Mark Brown
2012-07-30 11:33 ` Thierry Reding
2012-07-31 9:51 ` Alex Courbot
2012-07-31 10:19 ` Thierry Reding
2012-08-01 2:50 ` Alex Courbot
2012-08-01 7:17 ` Thierry Reding
2012-07-31 14:11 ` Mark Brown
2012-07-30 15:44 ` Rob Herring
2012-07-30 15:47 ` Mark Brown
2012-07-31 9:16 ` Thierry Reding
2012-07-30 22:26 ` Stephen Warren
2012-07-31 10:15 ` Alex Courbot
2012-07-30 22:45 ` Stephen Warren
2012-07-31 10:32 ` Alex Courbot
2012-07-31 10:56 ` Thierry Reding
2012-07-31 12:22 ` Mitch Bradley
2012-07-31 12:38 ` Thierry Reding
2012-07-31 12:55 ` Mitch Bradley
2012-08-01 1:47 ` Alex Courbot
2012-08-01 2:15 ` Mitch Bradley
2012-08-01 1:42 ` Alex Courbot
2012-07-31 14:13 ` Mark Brown
2012-07-31 14:22 ` Thierry Reding
2012-07-31 14:26 ` Mark Brown
2012-07-31 14:32 ` Thierry Reding
2012-07-31 15:39 ` Mark Brown
2012-07-31 16:19 ` Greg Kroah-Hartman
2012-07-31 16:22 ` Mark Brown
2012-07-31 16:42 ` Greg Kroah-Hartman
2012-07-31 16:50 ` Mark Brown
2012-08-01 7:41 ` Thierry Reding
2012-08-01 13:26 ` Mark Brown
2012-08-01 13:38 ` Thierry Reding
2012-08-01 13:55 ` Mark Brown
2012-08-01 14:01 ` Thierry Reding
2012-07-31 16:34 ` Stephen Warren
2012-08-02 8:00 ` Alex Courbot
2012-08-02 8:21 ` Thierry Reding
2012-08-02 8:27 ` Alex Courbot
2012-08-02 8:45 ` Thierry Reding
2012-08-02 9:20 ` Alex Courbot
2012-08-02 18:11 ` Mark Brown
2012-08-03 1:15 ` Alex Courbot
2012-08-04 14:12 ` Mark Brown
2012-08-06 2:27 ` Alex Courbot
2012-08-06 16:16 ` Stephen Warren [this message]
2012-08-07 5:10 ` Alex Courbot
2012-07-27 12:05 ` [RFC][PATCH v3 2/3] pwm_backlight: use " Alexandre Courbot
2012-07-27 12:05 ` [RFC][PATCH v3 3/3] tegra: add pwm backlight device tree nodes Alexandre Courbot
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