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Since commit1bb8866677("mtd: nand: denali: handle timing parameters by setup_data_interface()"), denali_dt.c gets the clock rate from the clock driver. The driver expects the frequency of the bus interface clock, whereas the clock driver of SOCFPGA provides the core clock. Thus, the setup_data_interface() hook calculates timing parameters based on a wrong frequency. To make it work without relying on the clock driver, hard-code the clock frequency, 200MHz. This is fine for existing DT of UniPhier, and also fixes the issue of SOCFPGA because both platforms use 200 MHz for the bus interface clock. Fixes:1bb8866677("mtd: nand: denali: handle timing parameters by setup_data_interface()") Cc: linux-stable <stable@vger.kernel.org> #4.14+ Reported-by: Philipp Rosenberger <p.rosenberger@linutronix.de> Suggested-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.