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Tomi ValkeinenandWolfram Sang
ec8c1b92ea
When we have an ATR, and another ATR as a subdevice of the first ATR, we get lockdep warnings for the i2c_atr.lock and i2c_atr_chan.orig_addrs_lock. This is because lockdep uses a static key for the locks, and doesn't see the locks of the separate ATR instances as separate. Fix this by generating a dynamic lock key per lock instance. Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Signed-off-by: Cosmin Tanislav <demonsingur@gmail.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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.