[PATCH] PCI: dw-rockchip: Enable L0S capability

Niklas Cassel cassel at kernel.org
Thu Apr 10 01:53:53 PDT 2025


On Thu, Apr 10, 2025 at 09:36:21AM +0800, Shawn Lin wrote:
> L0S capability isn't enabled on all SoCs by default, so enabling it
> in order to make ASPM L0S work on Rockchip platforms. We have been
> testing it for quite a long time and the default FTS number provided
> by DWC core is broken since it fits only for DWC PHY IP but not for
> other types of PHY IP from other vendors.

I also think it makes sense to split this to two patches.

Modifying N_FTS is completely different from enabling L0S, so please have
a 1/2 patch that overrides N_FTS and a 2/2 patch that enables L0S.


Kind regards,
Niklas



More information about the Linux-rockchip mailing list