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[ Upstream commite3d6d152a1] For PCI devices the Runtime PM refcount is incremented twice: 1. During device enumeration with a call to pm_runtime_forbid. 2. Just before a driver probe logic is called. Because of that in order to enable Runtime PM on a given device we have to call both pm_runtime_allow and pm_runtime_put_noidle, once it's ready to be runtime suspended. The former was missing causing the pm refcount to never reach 0. Fixes:d10b3a695b("net: wwan: t7xx: Runtime PM") Signed-off-by: Kornel Dulęba <mindal@semihalf.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.
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.