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[ Upstream commit942e47ab22] property "qcom,tune-usb2-preem" is for EUSB2_TUNE_USB2_PREEM property "qcom,tune-usb2-amplitude" is for EUSB2_TUNE_IUSB2 The downstream correspondence is as follows: EUSB2_TUNE_USB2_PREEM: Tx pre-emphasis tuning EUSB2_TUNE_IUSB2: HS trasmit amplitude EUSB2_TUNE_SQUELCH_U: Squelch detection threshold EUSB2_TUNE_HSDISC: HS disconnect threshold EUSB2_TUNE_EUSB_SLEW: slew rate Fixes:31bc94de76("phy: qualcomm: phy-qcom-eusb2-repeater: Don't zero-out registers") Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Reviewed-by: Luca Weiss <luca.weiss@fairphone.com> Link: https://lore.kernel.org/r/20250812093957.32235-1-mitltlatltl@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.