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b57cd5703a
cros_ec_lpc_mec_read_bytes and cros_ec_lpc_mec_write_bytes call cros_ec_lpc_mec_in_range, which checks if addresses are in the MEC address range, and returns -EINVAL if the range given is not sensible. However cros_ec_lpc_mec_in_range was also returning -EINVAL for a zero length range. A zero length range should not be an error condition. cros_ec_lpc_mec_in_range now returns 1 in this case. cros_ec_lpc_io_bytes_mec checks for zero length, and returns immediately without beginning a transfer. Fixes:68dbac0a58("platform/chrome: cros_ec_lpc: MEC access can return error code") Fixes:77a714325d("platform/chrome: cros_ec_lpc: Fix error code in cros_ec_lpc_mec_read_bytes()") Signed-off-by: Ben Walsh <ben@jubnut.com> Link: https://lore.kernel.org/r/20240613212542.403-1-ben@jubnut.com Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.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.