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For continuous PLL lock, it is recommended to extend the temperature ramp down range of the DS90UB953-Q1 serializer based on the device's initial temperature [1]. The serializer's die temperature is reported only to the deserializer through the sensor status registers, and for UB9702, it is recommended to set the temperature ramp during the link setup sequence, i.e. before we even probe the ub953 driver. Add support to the deserializer driver to configure ub953's temperature ramp. [1]: Section 7.3.1.1 - https://www.ti.com/lit/gpn/ds90ub953-q1 Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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.