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663c97ce6e02e0574cd77c23f9363433ec409f31
For unknown reasons the controller seems to reset the idle polling timer interval on CQE enable/disable to 8 clocks which is extremely short. Just use the reset value in the eMMC spec (4096 clock periods which at 200MHz is ~20uS). Signed-off-by: Jonathan Bell <jonathan@raspberrypi.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.
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