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[ Upstream commit 1a760d10ded372d113a0410c42be246315bbc2ff ] commita5cfc9d658("thunderbolt: Add wake on connect/disconnect on USB4 ports") introduced a sysfs file to control wake up policy for a given USB4 port that defaulted to disabled. However when testing commit 4bfeea6ec1c02 ("thunderbolt: Use wake on connect and disconnect over suspend") I found that it was working even without making changes to the power/wakeup file (which defaults to disabled). This is because of a logic error doing a bitwise or of the wake-on-connect flag with device_may_wakeup() which should have been a logical AND. Adjust the logic so that policy is only applied when wakeup is actually enabled. Fixes:a5cfc9d658("thunderbolt: Add wake on connect/disconnect on USB4 ports") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> 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.