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[ Upstream commit e410b4ade83d06a046f6e32b5085997502ba0559 ] cros_ec_cmd_xfer() uses ec_dev->lock. Initialize it. Otherwise, dmesg shows the following: > DEBUG_LOCKS_WARN_ON(lock->magic != lock) > ... > Call Trace: > ? __mutex_lock > ? __warn > ? __mutex_lock > ... > ? cros_ec_cmd_xfer Reviewed-by: Guenter Roeck <groeck@chromium.org> Link: https://lore.kernel.org/r/20231003080504.4011337-1-tzungbi@kernel.org Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> 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.