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Alex Elder says:
====================
net: ipa: add a driver shutdown callback
The final patch in this series adds a driver shutdown callback for
the IPA driver. The patches leading up to that address some issues
encountered while ensuring that callback worked as expected:
- The first just reports a little more information when channels
or event rings are in unexpected states
- The second patch recognizes a condition where an as-yet-unused
channel does not require a reset during teardown
- The third patch explicitly ignores a certain error condition,
because it can't be avoided, and is harmless if it occurs
- The fourth properly handles requests to retry a channel HALT
request
- The fifth makes a second attempt to stop modem activity during
shutdown if it's busy
The shutdown callback is implemented by calling the existing remove
callback function (reporting if that returns an error).
====================
Link: https://lore.kernel.org/r/20201119224929.23819-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@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.