Re: [PATCH] Revert "soc: qcom: stats: Add DDR sleep stats"

[Konrad Dybcio]

On 14.12.2023 13:25, Konrad Dybcio wrote:
> After recent reports ([1], [2]) of older platforms (particularly 8150 and
> 7180) breaking after DDR sleep stats introduction, revert the following:
> 
> Commit 73380e2573c3 ("soc: qcom: stats: fix 64-bit division")
> Commit e84e61bdb97c ("soc: qcom: stats: Add DDR sleep stats")
> 
> The feature itself is rather useful for debugging DRAM power management,
> however it looks like the shared RPMh stats data structures differ on
> previous SoCs.
> 
> Revert its addition for now to un-break booting on these earlier SoCs,
> while I try to come up with a better way to enable it conditionally.
> 
> [1] https://lore.kernel.org/linux-arm-msm/20231209215601.3543895-2-dmitry.baryshkov@xxxxxxxxxx/
> [2] https://lore.kernel.org/linux-arm-msm/CAD=FV=XX4wLg1NNVL15RK4D4tLvuSzZyUv=k_tS4bSb3=7QJzQ@xxxxxxxxxxxxxx/
> 
> Reported-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Reported-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
Arnd, since Bjorn seems to be MIA, could you please pick this directly
so that it gets into the next RC? Un-breaking booting on some platforms
would be very welcome :D

Konrad