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074134053e
FTS, fast training sequences, is used for exiting from L0s, which is issued to peers while in TS1 phase. If number of FTS issued is not enough for PHY itself, FTS timeout would occur and the LTSMM will fall into recovery leading to longer exit latency. In theory this value is PHY relevant, especially combophy needs a bigger FTS that another one. The default value is 210, just increase it to 255 the max for compatibility. Another thing should be noted is if EP can't work stable under L0s or failing to do FTS in requested, just add them to quirk.c and there were numbers of buggy devices already there who claims to support L0s but actually not. Change-Id: I071c27ef6a3ac504b9ed82b748b41ec55bfd5fc5 Signed-off-by: Shawn Lin <shawn.lin@rock-chips.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.