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4ff116d0d5
Previously the L1 PM Substates Control Registers (CTL1 and CTL2) weren't saved and restored during suspend/resume leading to the L1 PM Substates configuration being lost post-resume. Save the L1 PM Substates Control Registers so that the configuration is retained post-resume. [bhelgaas: drop pci_is_pcie() testing; we can rely on pci_configure_ltr() having already done that] Link: https://lore.kernel.org/r/20220913131822.16557-3-vidyas@nvidia.com Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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.