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c14e64b469
Older chipsets may not be allowed to configure certain LLCC registers as that is handled by the secure side software. However, this is not the case for newer chipsets and they must configure these registers according to the contents of the SCT table, while keeping in mind that older targets may not have these capabilities. So add support to allow such configuration of registers to enable capacity based allocation and power collapse retention for capable chipsets. Reason for choosing capacity based allocation rather than the default way based allocation is because capacity based allocation allows more finer grain partition and provides more flexibility in configuration. As for the retention through power collapse, it has an advantage where the cache hits are more when we wake up from power collapse although it does burn more power but the exact power numbers are not known at the moment. Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> [saiprakash.ranjan@codeaurora.org: use existing config and reword commit msg] Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Link: https://lore.kernel.org/r/dac7e11cf654fc6d75a6b5ca062ab87b01547810.1600151951.git.saiprakash.ranjan@codeaurora.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.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.