Re: [PATCH 4/5] xhci-pci: Allow host runtime PM as default for Intel Maple Ridge xHCI

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On Tue, Dec 08, 2020 at 11:29:11AM +0200, Mathias Nyman wrote:
> From: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> 
> Intel Maple Ridge is successor of Titan Ridge Thunderbolt controller. As
> Titan Ridge this one also includes xHCI host controller. In order to
> safe energy we should put it to low power state by default when idle.
> For this reason allow host runtime PM for Maple Ridge.
> 
> 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(-)

Should this be backported to stable kernels too?

thanks,

greg k-h



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