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Ulf Hansson 895b66129a PM / Domains: Don't power on at attach for the multi PM domain case
There are no legacy behavior in drivers to consider while attaching a
device to genpd - for the multiple PM domain case.

For that reason, let's instead require the driver to runtime resume the
device, via calling pm_runtime_get_sync() for example, when it needs to
power on the corresponding PM domain.

This allows us to improve the situation during attach. Instead of always
power on the PM domain, which may be unnecessary, let's leave it in its
current state. Additionally, to avoid the PM domain to stay powered on,
let's schedule a power off work.

Fixes: 3c095f32a9 (PM / Domains: Add support for multi PM domains ...)
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-07-03 16:42:51 +02:00
arch
block
certs
crypto
Documentation USB fixes for 4.18-rc3 2018-07-01 11:50:16 -07:00
drivers PM / Domains: Don't power on at attach for the multi PM domain case 2018-07-03 16:42:51 +02:00
firmware
fs for-4.18-rc2-tag 2018-07-01 12:38:16 -07:00
include Staging/IIO fixes for 4.18-rc3 2018-07-01 12:20:20 -07:00
init
ipc
kernel Add a missing export required by riscv and unicore 2018-07-01 10:45:13 -07:00
lib
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usr
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Makefile Linux 4.18-rc3 2018-07-01 16:04:53 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.