linux-kernel - Re: [PATCH] PM / Domains: export pm_genpd_add

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Date:	Mon, 16 Nov 2015 17:23:15 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kevin Hilman <khilman@...nel.org>, Pavel Machek <pavel@....cz>,
	Len Brown <len.brown@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PM / Domains: export pm_genpd_add_device symbol

On Mon, Nov 16, 2015 at 12:08:17PM +0100, Ulf Hansson wrote:
> On 16 November 2015 at 10:07, Maruthi Srinivas Bayyavarapu

> > Drivers which can be built as loadable module needs
> > symbol - pm_genpd_add_device to be exported. Those drivers
> > create platform devices which comes under a powerdomain.

> Currently this API is used by a few SoCs that haven't yet been
> converted to device tree.

> Can you tell me more about what driver/SoC you intend to use it for?

He's got a graphics card with audio subfunctions that looks a lot like a
general purpose SoC with power domains and resulting code that looked
like it was trying to redo the power domain code, I asked him to
refactor to use that instead of open coding a version in the driver.

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