Re: [PATCH 0/3] PCI/ASPM: add sysfs attribute for controlling ASPM

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On 23.05.2019 22:03, Heiner Kallweit wrote:
> Background of this extension is a problem with the r8169 network driver.
> Several combinations of board chipsets and network chip versions have
> problems if ASPM is enabled, therefore we have to disable ASPM per
> default. However especially on notebooks ASPM can provide significant
> power-saving, therefore we want to give users the option to enable
> ASPM. With the new sysfs attribute users can control which ASPM
> link-states are disabled.
> 
> After few RFC's this is the submission-ready version. Added to the RFC
> version has been documentation of the new sysfs attribute.
> 
> Heiner Kallweit (3):
>   PCI/ASPM: add L1 sub-state support to pci_disable_link_state
>   PCI/ASPM: allow to re-enable Clock PM
>   PCI/ASPM: add sysfs attribute for controlling ASPM
> 
>  Documentation/ABI/testing/sysfs-bus-pci |  13 ++
>  drivers/pci/pci.h                       |   8 +-
>  drivers/pci/pcie/aspm.c                 | 211 ++++++++++++++++++++++--
>  include/linux/pci-aspm.h                |   8 +-
>  4 files changed, 219 insertions(+), 21 deletions(-)
> 
Can we get this into 5.3? The series was reviewed before in RFC state and
there have been no change requests.

Thanks, Heiner



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