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This commit adds support for basic MHI PM operations such as mhi_async_power_up, mhi_sync_power_up, and mhi_power_down. These routines places the MHI bus into respective power domain states and calls the state_transition APIs when necessary. The MHI controller driver is expected to call these PM routines for MHI powerup and powerdown. This is based on the patch submitted by Sujeev Dias: https://lkml.org/lkml/2018/7/9/989 Signed-off-by: Sujeev Dias <sdias@codeaurora.org> Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org> [mani: splitted the pm patch and cleaned up for upstream] Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org> Tested-by: Jeffrey Hugo <jhugo@codeaurora.org> Link: https://lore.kernel.org/r/20200220095854.4804-8-manivannan.sadhasivam@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.