Re: [PATCH 4/4] xhci-pci: Allow host runtime PM as default also for Intel Ice Lake xHCI

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On Fri, Nov 15, 2019 at 06:50:03PM +0200, Mathias Nyman wrote:
> From: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> 
> Intel Ice Lake has two xHCI controllers one on PCH and the other as part
> of the CPU itself. The latter is also part of the so called Type C
> Subsystem (TCSS) sharing ACPI power resources with the PCIe root ports
> and the Thunderbolt controllers. In order to put the whole TCSS block
> into D3cold the xHCI needs to be runtime suspended as well when idle.
> 
> For this reason allow runtime PM as default for Ice Lake TCSS xHCI
> controller.
> 
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/host/xhci-pci.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Can this also be queued up for the stable tree (or at least for 5.4.y?)

thanks,

greg k-h



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