From: Mark Brown <broonie@kernel.org>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Ulf Hansson <ulf.hansson@linaro.org>,
Alan Stern <stern@rowland.harvard.edu>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Kevin Hilman <khilman@kernel.org>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH] PM / Domains: Fix initial default state of the need_restore flag
Date: Thu, 13 Nov 2014 19:11:29 +0000 [thread overview]
Message-ID: <20141113191129.GP3815@sirena.org.uk> (raw)
In-Reply-To: <5465017F.5070303@ti.com>
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On Thu, Nov 13, 2014 at 09:07:43PM +0200, Grygorii Strashko wrote:
> On 11/13/2014 07:54 PM, Mark Brown wrote:
> > No, it doesn't - probe() leaves the device powered (you can see the
> > driver interacting with the device before it enables runtime PM).
> What I've found there is:
> arizona_dev_init()
> |- arizona_clk32k_enable()
> |-pm_runtime_get_sync() if arizona->pdata.clk32k_src == ARIZONA_32KZ_MCLK1
> so it's added as "may rely"
No, that's adding a reference to stop it power down under runtime PM -
if runtime PM is inactive it will have no effect.
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next prev parent reply other threads:[~2014-11-13 19:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 13:27 [PATCH] PM / Domains: Fix initial default state of the need_restore flag Ulf Hansson
2014-11-07 18:52 ` Sylwester Nawrocki
2014-11-07 19:47 ` Kevin Hilman
2014-11-07 21:57 ` Dmitry Torokhov
2014-11-07 22:26 ` Kevin Hilman
2014-11-10 15:18 ` Ulf Hansson
2014-11-10 18:32 ` Dmitry Torokhov
2014-11-10 19:39 ` Mark Brown
2014-11-10 20:33 ` Dmitry Torokhov
2014-11-13 2:52 ` Rafael J. Wysocki
2014-11-13 16:40 ` Ulf Hansson
2014-11-13 19:14 ` Grygorii Strashko
2014-11-13 21:59 ` Ulf Hansson
2014-11-13 17:50 ` Grygorii Strashko
2014-11-13 17:54 ` Mark Brown
2014-11-13 19:07 ` Grygorii Strashko
2014-11-13 19:11 ` Mark Brown [this message]
2014-11-13 20:22 ` Grygorii Strashko
2014-11-14 19:16 ` Kevin Hilman
2014-11-14 23:45 ` Rafael J. Wysocki
2014-11-08 0:58 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2014-11-10 9:24 Ulf Hansson
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