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In some scenarios the early stages of the boot chain has configured regulators to be in a required state, but the later stages has skipped to inform the RPM about it's requirements. But as the SMD RPM regulators are being initialized voltage change requests will be issued to align the voltage with the valid ranges. The RPM aggregates all parameters for the specific regulator, the voltage will be adjusted and the "enabled" state will be "off" - and the regulator is turned off. This patch addresses this problem by caching the requested enable state, voltage and load and send the parameters in a batch, depending on the enable state - effectively delaying the voltage request for disabled regulators. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Mark Brown <broonie@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.