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8330e9e826
The state machine of MTK spi nor controller may be disturbed by some glitch signals from the relevant BUS during dma read, Although the possibility of causing the dma read to fail is next to nothing, However, if error-handling is not implemented, which makes the feature somewhat risky. Add an error-handling mechanism here, reset the state machine and re-read the data when an error occurs. Signed-off-by: bayi cheng <bayi.cheng@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20221207055435.30557-1-bayi.cheng@mediatek.com 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.