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f4cb028320
The FF-A driver was updated to support specification version 1.2 but omitted support for the 16-byte implementation-defined (IMPDEF) field introduced in FF-A v1.2 within the Endpoint Memory Access Descriptor (EMAD). This omission breaks all memory interfaces. This change updates the EMAD sizing and offset logic to correctly handle the FF-A v1.2 layout while preserving backward compatibility with older versions. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmjvqvQACgkQAEG6vDF+ 4pjTlBAAqdtLdU5yPTZF5twgMD0FFIZYXKAFrp6u9DuSAnI8bJkMuLdl67SFarSP csOOLg8OmHCmRIQ0I45UGUbz+IfgxzBIPi/A9zxxAVuOzMgWH5aE6zewlH01bz+X sfxsN/zluj2jF/WgDDH0vMsUwYDancfJBvm9Smf7mLuaHEo5KQJiqWPnMIgApyZL dx0Lh54cB3DYUHxZi7yE8ZOrzqKIwnGrzL020npcHLUCCZFdPi2kDMYhFVDqH32r X0PoYKHuclG3PnWZOLRzYr0n+FnsNMip1Cx52dPkzeOiNdB+rH39e3/Mba0FQ4yt 2cTHV6kjXvACCbYKVoZHATeBXrX8HBYnn12x90OUYDxGlbMnrQpDBvVSRdUnZ74g CQ3k2E8dH8IvSY+z4Yixh1BYmF0n1kkcJTjJ92DfF1GsN5QNO0wv7S24p4mdweu6 YOhI7WcvRrFMudrsgds9i0BtJpHgKv7sWcdJRD8h0riTiF2vsjWwTPBEWgf7j2+T 1/IWWvjgDr1CrBib2+3eHRlMdmUqOqxStFmFz8GrnTvHoZr2LVTEhr4hJ/vopuB2 N/4mf5naoDepnmDd+CtAdjnYFGbiwlOc/o4jDk2vPhcBcryvPMXfeYKrNye6lHCH 4l8S8KcMwUf+Hvn4seEFoqt8XP3HHC9Ru2mZRXCZA5C1z2VbqoQ= =RowC -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmj6kD8ACgkQmmx57+YA GNl6Rw/+Ipy2jWp+QD5uWb7isFoiUYicxYlIfqxRO9RvNLTflDJ5vt4V2O5uwxmH hSg3NCUYr103kQey51y2i2efWHILpCX394kNqPZv3g9pYdFBJbqMSfUXeawJjeMu 4Jn14kPzfb2zxXH88Y3NbkGT3wAlI00UAZTPT5pBGe5MWncptJTk1EJRZAdA5cV/ D8oL1DEuSQjHXhkn46uaIepIG42AMX27PwwjHIGD+UfNHleaRI/c2mff68Pcm1kv 9WDnC2RXnXRn5Z6XlskvcGp/fKQ/6mUSgOxPfB/sXCAMn/iwx+kDkgvemprEo2yR pi8YZ40+p4FYpyZ8oTIu0v4brwWeoJpf9qTQ7aRig5UD8cFLm/eKA5tjWIaDvhzx +d89PYGDRHApPZI4r8BIo1FjJFxooEnfb3gbGhrvqk1VNm5PIGtyySMzr0p9Y+TN iNwjzJxE6Pga6RBu3uxGPbinqVqqVndwYJPJ8UW8Ur3xFyXpWgF/ltAo4cU0M6VN GvmyEn4tWkNaV9/xU98gB0rNmcZI3IP9DptWlm5lqu7aw3vXadMlJ7y7VFpKYmcZ kKrKnHkoxs/B/vVpV3nvoFptelfxkSfrJP6VUGAX7FZiPlZ2jtmDLzGz7scxQtNy hT4Ccx0DHIPSfRrFCCeL9NAdE2nomJYRAZwnKQ4a9EHvA6FCrJ4= =ChU3 -----END PGP SIGNATURE----- Merge tag 'ffa-fix-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes Arm FF-A fix for v6.18 The FF-A driver was updated to support specification version 1.2 but omitted support for the 16-byte implementation-defined (IMPDEF) field introduced in FF-A v1.2 within the Endpoint Memory Access Descriptor (EMAD). This omission breaks all memory interfaces. This change updates the EMAD sizing and offset logic to correctly handle the FF-A v1.2 layout while preserving backward compatibility with older versions. * tag 'ffa-fix-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_ffa: Add support for IMPDEF value in the memory access descriptor Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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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.