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| Filename | Latest commit message | Latest commit date |
|---|---|---|
c23fdef891Use SR_TDF to judge if need to send data, and SR_FCF is to judge if transmission end and to replace the waiting after transmission end. This waiting has no actual meaning, for module will set the FCF flag at the real end. The changes of interrupt flag and ISR function reduce the times of calling ISR. The use of the FCF flag improves the stability of the data transmission. These two points generally improve the data transfer speed of lpspi, especially when it is set to slave mode it can support higher transfer speed of the host. After making these changes, there is no need to use fsl_lpspi_txfifo_empty(), so remove it. Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
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| README | ||
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.