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9bd133f05b
Simplify devm_ioport_unmap() implementation by dedicated API devres_release(), compared with current solution, namely ioport_unmap() + devres_destroy(), devres_release() has below advantages: - it is simpler if devm_ioport_unmap()'s parameter @addr was ever returned by devm_ioport_map(). - it can avoid unnecessary ioport_unmap(@addr) if @addr was not ever returned by devm_ioport_map(). Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> Link: https://lore.kernel.org/r/20240918-fix_lib_devres-v1-2-e696ab5486e6@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 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.