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commit436eeae041upstream. After TEE has completed processing of TEE_CMD_ID_LOAD_TA, set proper value in 'return_origin' argument passed by open_session() call. To do so, add 'return_origin' field to the structure tee_cmd_load_ta. The Trusted OS shall update return_origin as part of TEE processing. This change to 'struct tee_cmd_load_ta' interface requires a similar update in AMD-TEE Trusted OS's TEE_CMD_ID_LOAD_TA interface. This patch has been verified on Phoenix Birman setup. On older APUs, return_origin value will be 0. Cc: stable@vger.kernel.org Fixes:757cc3e9ff("tee: add AMD-TEE driver") Tested-by: Sourabh Das <sourabh.das@amd.com> Signed-off-by: Rijo Thomas <Rijo-john.Thomas@amd.com> Acked-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 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 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.