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Atm we enable/disable a power well only if it wasn't already enabled/disabled respectively. The only reason for this I can think of is to save the extra MMIO writes. Since the HW state matches the power well's usage counter most of the time the overhead due to these MMIOs is insignificant. Let's simplify the code by making the writes unconditional. Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1499352040-8819-10-git-send-email-imre.deak@intel.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.