Re: [PATCH V5 4/4] interconnect: qcom: osm-l3: Add epss compatibles for SA8775P SoC
From: Krzysztof Kozlowski
Date: Thu Nov 21 2024 - 06:52:21 EST
On 21/11/2024 12:30, Raviteja Laggyshetty wrote:
> The EPSS instance in SA8775P uses PERF_STATE register instead of
> REG_L3_VOTE to scale L3 clocks.
> Along with SoC specific compatible, add new generic compatible
> "qcom,epss-l3-perf" for PERF_STATE register based L3 scaling.
>
> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@xxxxxxxxxxx>
> ---
> drivers/interconnect/qcom/osm-l3.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
> index a9405b7d251b..285afaa1f61e 100644
> --- a/drivers/interconnect/qcom/osm-l3.c
> +++ b/drivers/interconnect/qcom/osm-l3.c
> @@ -318,6 +318,7 @@ static int qcom_osm_l3_probe(struct platform_device *pdev)
>
> static const struct of_device_id osm_l3_of_match[] = {
> { .compatible = "qcom,epss-l3", .data = &epss_l3_l3_vote },
> + { .compatible = "qcom,epss-l3-perf", .data = &epss_l3_perf_state },
Hm? Why?
> { .compatible = "qcom,osm-l3", .data = &osm_l3 },
> { .compatible = "qcom,sc7180-osm-l3", .data = &osm_l3 },
> { .compatible = "qcom,sc7280-epss-l3", .data = &epss_l3_perf_state },
> @@ -325,6 +326,7 @@ static const struct of_device_id osm_l3_of_match[] = {
> { .compatible = "qcom,sm8150-osm-l3", .data = &osm_l3 },
> { .compatible = "qcom,sc8180x-osm-l3", .data = &osm_l3 },
> { .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3_perf_state },
> + { .compatible = "qcom,sa8775p-epss-l3", .data = &epss_l3_perf_state },
So this is compatible with sm8250. Use that one. Don't grow this table
needlessly.
Best regards,
Krzysztof