Don't assume that only the driver would be accessing LNKCTL. ASPM
policy changes can trigger write to LNKCTL outside of driver's control.
Use RMW capability accessors which does proper locking to avoid losing
concurrent updates to the register value. On restore, clear the ASPMC
field properly.
On Friday 14 July 2023 19:48:00 CEST Rob Herring wrote:
>
> The DT of_device.h and of_platform.h date back to the separate
> of_platform_bus_type before it as merged into the regular platform bus.
> As part of that merge prepping Arm DT support 13 years ago, they
> "temporarily" include each
