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When reading the 'port_status' debugfs entry, some I2C registers were read more than once. This looks inefficient in an I2C trace. To reduce I2C traffic, update tps23861_port_status_show() to only read each register once. Indexing the port number from 0 instead of 1 also allows simplifying things a bit. Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Link: https://lore.kernel.org/r/20220907015405.16547-1-mr.nuke.me@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.