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The function adf_cfg_add_key_value_param() allows to insert duplicates entries in the key value store of the driver. Change the behaviour of that function to the following policy: - if the key doesn't exist, add it; - if the key already exists with a different value, then delete it and replace it with a new one containing the new value; - if the key exists with the same value, then return without doing anything. The behaviour of this function has been changed in order to easily update key-values in the driver database. In particular this is required to update the value of the ServiceEnables key used to change the service loaded on a device. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Adam Guerin <adam.guerin@intel.com> Reviewed-by: Fiona Trahe <fiona.trahe@intel.com> Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com> Reviewed-by: Vladis Dronov <vdronov@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.