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ad1ea98019
On ilk the UDW of TIMESTAMP increments every 1000 ns, LDW is mbz. In order to represent that we'd need 52 bits, but we only have 32 bits. Even worse most things want to only deal with 32 bits of timestamp. So let's just set up the timestamp frequency as if we only had the UDW. On ctg/elk 63:20 of TIMESTAMP increments every 1/4 ns, 19:0 are mbz. To make life simpler let's ignore the LDW and set up timestamp frequency based on the UDW only (increments every 1024 ns). v2: Rebase Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221031135703.14670-2-ville.syrjala@linux.intel.com Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.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 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.