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4ab7ca092c
The SAMA5D2 is different from SAMA5D3 and SAMA5D4, as there are two different clocks for the peripherals in the SoC. The Static Memory controller is connected to the divided master clock. Unfortunately, the device tree does not correctly show this and uses the master clock directly. This clock is then used by the code for the NAND controller to calculate the timings for the controller, and we end up with slow NAND Flash access. Fix the device tree, and the performance of Flash access is improved. Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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.