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[ Upstream commita362b0cc94] Commit99e71c0292("arm64: dts: imx8mq-librem5: Don't mark buck3 as always on") removed always-on marking from GPU regulator, which is great for power saving - however it introduces additional i2c0 traffic which can be deadly for devices from the Dogwood batch. To workaround the i2c0 shutdown issue on Dogwood, this commit marks buck3 as always-on again - but only for Dogwood (r3). Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Signed-off-by: Shawn Guo <shawnguo@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 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.