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The 4096 bytes limit in mox_hwrng_read() is due to the DMA buffer being allocated to one PAGE_SIZE bytes. Use new local macro constant RWTM_DMA_BUFFER_SIZE at allocation time and when used in mox_hwrng_read(). Use SZ_4K instead of PAGE_SIZE. Although PAGE_SIZE is never set to a larger value on Armada 3720, it theoretically could, and this would be a waste of space. Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Link: https://lore.kernel.org/r/20240831092050.23093-2-kabel@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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.