Mathias Nyman bf6e36a033 usb: hub: Don't disable LPM completely if device initiated LPM fails
Enabling device initiated USB3 link power management (LPM) may fail for
various reasons such as too long system exit latency, or link issues.

These are not good reason to disable hub initiated LPM U1/U2
states, especially as it requires sending more requests over a
possibly broken link, causing the hub work to block for even longer.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250314142000.93090-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-11 16:08:34 +02:00
2024-09-01 20:43:24 -07:00
2025-04-06 10:00:04 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-04-06 13:11:33 -07:00
2024-03-18 03:36:32 -06:00

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 reStructuredText 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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