From: dmitry.torokhov@gmail.com (Dmitry Torokhov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 4/9] drivercore / platform: Keep PM domain powered during ->probe()
Date: Thu, 30 Oct 2014 17:07:49 -0700 [thread overview]
Message-ID: <20141031000749.GK36444@dtor-ws> (raw)
In-Reply-To: <7hoast8eu8.fsf@deeprootsystems.com>
On Thu, Oct 30, 2014 at 01:47:27PM -0700, Kevin Hilman wrote:
> Ulf Hansson <ulf.hansson@linaro.org> writes:
>
> > To sucessfully probe some devices their corresponding PM domains may
> > need to be powered.
>
> Isn't that what pm_runtime_get*() is supposed to be doing? Why isn't
> that working?
Also, I do not understand why we placing device into a power domain only
when we probe it. Why if I unbind device from its driver (or do not have
a driver for it) it disappears from its power domain? To me power domain
and having driver bound to a device are 2 orthogonal concepts.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2014-10-31 0:07 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-13 14:02 [PATCH v3 0/9] PM / Domains: Fix race conditions during boot Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 1/9] PM / Domains: Add dev_pm_domain_get|put() APIs Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 2/9] PM / Domains: Enable genpd to support ->get|put() callbacks Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 3/9] amba: Keep PM domain powered during ->probe() Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 4/9] drivercore / platform: " Ulf Hansson
2014-10-30 20:47 ` Kevin Hilman
2014-10-31 0:07 ` Dmitry Torokhov [this message]
2014-10-31 9:23 ` Ulf Hansson
2014-11-01 0:21 ` Rafael J. Wysocki
2014-10-31 9:19 ` Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 5/9] i2c: core: " Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 6/9] spi: " Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 7/9] mmc: core: Attach PM domain prior probing of SDIO func driver Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 8/9] mmmc: core: Keep PM domain powered during ->probe() " Ulf Hansson
2014-10-13 14:02 ` [PATCH v3 9/9] PM / Domains: Remove pm_genpd_dev_need_restore() API Ulf Hansson
2014-10-24 16:12 ` [PATCH v3 0/9] PM / Domains: Fix race conditions during boot Kevin Hilman
2014-10-24 16:18 ` Mark Brown
2014-10-30 20:46 ` Kevin Hilman
2014-10-30 23:56 ` Mark Brown
2014-10-31 9:16 ` Ulf Hansson
2014-11-01 0:20 ` Rafael J. Wysocki
2014-11-01 1:08 ` pm_runtime_enable() in ->probe() (was: Re: [PATCH v3 0/9] PM / Domains: Fix race conditions during boot) Rafael J. Wysocki
2014-11-01 1:14 ` Rafael J. Wysocki
2014-11-03 17:00 ` pm_runtime_enable() in ->probe() Kevin Hilman
2014-11-03 23:55 ` Rafael J. Wysocki
2014-11-03 14:03 ` [PATCH v3 0/9] PM / Domains: Fix race conditions during boot Ulf Hansson
2014-11-04 1:43 ` Rafael J. Wysocki
2014-11-04 8:20 ` Geert Uytterhoeven
2014-11-04 13:32 ` Rafael J. Wysocki
2014-11-04 8:54 ` Ulf Hansson
2014-11-04 9:05 ` Dmitry Torokhov
2014-11-04 9:24 ` Ulf Hansson
2014-11-04 13:56 ` Rafael J. Wysocki
2014-11-04 17:01 ` Ulf Hansson
2014-11-04 18:29 ` Dmitry Torokhov
2014-11-04 21:38 ` Rafael J. Wysocki
2014-11-05 8:17 ` Ulf Hansson
2014-11-04 13:52 ` Rafael J. Wysocki
2014-11-04 13:51 ` Rafael J. Wysocki
2014-11-04 16:42 ` Ulf Hansson
2014-11-07 17:25 ` Grygorii Strashko
2014-11-11 11:05 ` Ulf Hansson
2014-11-12 18:01 ` Grygorii Strashko
2014-11-13 2:07 ` Rafael J. Wysocki
2014-11-13 20:13 ` Grygorii Strashko
2014-11-13 14:05 ` Pavel Machek
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