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SDUC memory addressing spans beyond 2TB and up to 128TB. Therefore, 38 bits are required to access the entire memory space of all sectors. Those extra 6 bits are to be carried by CMD22 prior of sending read/write/erase commands: CMD17, CMD18, CMD24, CMD25, CMD32, and CMD33. CMD22 will carry the higher order 6 bits, and must precedes any of the above commands even if it targets sector < 2TB. No error related to address or length is indicated in CMD22 but rather in the read/write command itself. Tested-by: Ricky WU <ricky_wu@realtek.com> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20241006051148.160278-3-avri.altman@wdc.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.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.