Re: [PATCH v4 3/4] PCI/ASPM: add sysfs attributes for controlling ASPM link states

Greg KH
2019-08-28T21:04:57Z

On Sat, Aug 24, 2019 at 05:41:27PM +0200, 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
> attributes users can control which ASPM link-states are enabled/disabled.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>