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b1de3c0df7
The PTP_CMD_CTL is a self clearing register which controls the PTP clock values. In the current implementation driver waits for a duration of 20 sec in case of HW failure to clear the PTP_CMD_CTL register bit. This timeout of 20 sec is very long to recognize a HW failure, as it is typically cleared in one clock(<16ns). Hence reducing the timeout to 1 sec would be sufficient to conclude if there is any HW failure observed. The usleep_range will sleep somewhere between 1 msec to 20 msec for each iteration. By setting the PTP_CMD_CTL_TIMEOUT_CNT to 50 the max timeout is extended to 1 sec. Signed-off-by: Rengarajan S <rengarajan.s@microchip.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240502050300.38689-1-rengarajan.s@microchip.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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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 reStructuredText 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.