Xu Yang e1b5d2bed6 usb: chipidea: core: handle usb role switch in a common way
Currently, ci_usb_role_switch_set() may be called before system resume
stage when suspended. Worse yet, ci_hdrc device may stay at RPM_ACTIVE
state which will cause pm_runtime_get_sync() fail to resume the device.
In this case, role-switch may unable to complete transition process due
to not exit from lpm state or due to lack some means after system resume.

Same as ci_cable_notifier(), usb_role_switch could handle its events based
on ci_hdrc_cable mechanism.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20221009155336.766960-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-10-23 14:34:52 +02:00
2022-09-28 09:02:20 +02:00
2022-09-28 09:02:20 +02:00
2022-09-28 09:02:20 +02:00
2022-10-16 15:36:24 -07:00

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.
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