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[ Upstream commit 7481a97c5f49f10c7490bb990d0e863f23b9bb71 ] On some SoC platforms, in shutdown stage, most components' power is cut off, but there's still power supply to the so called always-on domain, so if the dwc2's regulator is from the always-on domain, we need to explicitly disable it to save power. Disable platform lowlevel hw resources such as phy, clock and regulators etc. in device shutdown hook to reduce non-necessary power consumption when the platform enters shutdown stage. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Acked-by: Minas Harutyunyan <hminas@synopsys.com> Link: https://lore.kernel.org/r/20250629094655.747-1-jszhang@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Stable-dep-of: b6ebcfdcac40 ("usb: dwc2: fix hang during shutdown if set as peripheral") 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 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.