Re: [PATCH 2/2] interconnect: qcom: Add EPSS L3 scaling support for Shikra SoC

From: Konrad Dybcio

Date: Mon May 25 2026 - 08:22:21 EST


On 5/24/26 8:03 PM, Raviteja Laggyshetty wrote:
> Add Epoch Subsystem (EPSS) L3 interconnect provider support on
> Qualcomm Shikra SoC.
>
> The EPSS L3 block on Shikra SoC is similar to existing Qualcomm EPSS/OSM
> L3 providers, but supports only up to 12 frequency lookup table entries.
> Reading beyond the supported LUT entries can expose incorrect frequencies.
> Add shikra-specific EPSS descriptor shikra_epss_l3_perf_state that reuses
> existing EPSS configuration with appropriate LUT entries limit.
>
> Co-developed-by: Odelu Kukatla <odelu.kukatla@xxxxxxxxxxxxxxxx>
> Signed-off-by: Odelu Kukatla <odelu.kukatla@xxxxxxxxxxxxxxxx>
> Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad