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478f32ab4d
The usage of memcpy() affects the representation of the VDOs as they are
copied to the EC Host Command buffer. Specifically, all higher order
bits get dropped (for example: a VDO of 0x406 just gets copied as 0x6).
Avoid this by explicitly copying each VDO in the array. The number of
VDOs generated by alternate mode drivers in their VDMs is almost always
just 1 (apart from the header) so this doesn't affect performance in a
meaningful way).
Fixes: 40a9b13a09 ("platform/chrome: cros_typec_vdm: Add VDM send support")
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20230113182626.1149539-1-pmalani@chromium.org
Signed-off-by: Prashant Malani <pmalani@chromium.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.