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In commit7e71b85473("arm64: dts: ls1028a: fix node name for the sysclk") the sysclk node name was renamed and broke the erratum workaround because it tries to fetch a device tree node by its name, which is very fragile in general. We don't even need the sysclk node because the only possible sysclk frequency input is 100MHz. In fact, the erratum says it applies if SYS_PLL_RAT is 3, not that the platform clock is 300 MHz. Make the workaround more reliable and just drop the unneeded sysclk lookup. For reference, the error during the bootup is the following: [ 4.898400] nxp-fspi 20c0000.spi: Errata cannot be executed. Read via IP bus may not work Fixes:82ce7d0e74("spi: spi-nxp-fspi: Implement errata workaround for LS1028A") Cc: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Michael Walle <michael@walle.cc> Link: https://lore.kernel.org/r/20211001212726.159437-1-michael@walle.cc Signed-off-by: Mark Brown <broonie@kernel.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.