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Since STM32MP25, FIFO size could vary regarding the STM32MPxx version. So we get this size from "hwcfgr1" register and compute threshold values corresponding to the ratio given by reference manual. As STM32MP1x, STM32MP25 and STM32H7 share the same compatible and STM32H7 doesn't have a register to get FIFO size, we force FIFO size to 16 in case of zero read from hwcfgr1 register. Signed-off-by: Valentin Caron <valentin.caron@foss.st.com> Link: https://lore.kernel.org/r/20240112095300.2004878-5-valentin.caron@foss.st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.