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Re: [PATCH 0/6] PCI/ASPM: Add PCIe L1 PM substate support

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  Re: [PATCH 0/6] PCI/ASPM: Add PCIe L1 PM substate support Bjorn Helgaas <helgaas@kernel.org> - 2017-02-15 00:50 +0100

#1580946 — Re: [PATCH 0/6] PCI/ASPM: Add PCIe L1 PM substate support

On Mon, Jan 02, 2017 at 10:34:09PM -0800, Rajat Jain wrote:
> This patchset adds the PCIe L1 PM substate support to the kernel.
> The feature is described at:
> https://pcisig.com/sites/default/files/specification_documents/ECN_L1_PM_Substates_with_CLKREQ_31_May_2013_Rev10a.pdf
> 
> Its all logically one patch (and may be some of them should be
> squashed later) , but I've broken down into smaller patches for
> ease of review. 
> 
> This is currently rebased on top of Bjorn's master branch.
> 
> Rajat Jain (6):
>   PCI: Add L1 substate capability structure register definitions
>   PCI/ASPM: Introduce L1 substates and a Kconfig for it
>   PCI/ASPM: Read and setup L1 substate capabilities
>   PCI/ASPM: Calculate and save the L1.2 timing parameters
>   PCI/ASPM: Actually configure the L1 substate settings to the device
>   PCI/ASPM: Add comment about L1 substate latency
> 
>  drivers/pci/pcie/Kconfig      |   8 ++
>  drivers/pci/pcie/aspm.c       | 291 ++++++++++++++++++++++++++++++++++++++++--
>  include/uapi/linux/pci_regs.h |  16 +++
>  3 files changed, 302 insertions(+), 13 deletions(-)

Applied to pci/aspm for v4.11, thanks, Rajat!

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