Re: [PATCH 1/8] arm64: dts: qcom: kodiak: Add t-power-on-us property for PCIe root ports

[Konrad Dybcio]

On 9/11/26 8:50 AM, Krishna Chaitanya Chundru wrote:
> Currently the PCIe controller is not programming the T_POWER_ON value,
> which can result in improper L1.2 exit behavior. Add the
> t-power-on-us property to the PCIe root ports so that this value is
> correctly programmed during host initialization.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/kodiak.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi
> index f2da3706d5c8..54acc7d9bdea 100644
> --- a/arch/arm64/boot/dts/qcom/kodiak.dtsi
> +++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi
> @@ -2306,6 +2306,8 @@ pcie0_port: pcie@0 {
>  				#address-cells = <3>;
>  				#size-cells = <2>;
>  				ranges;
> +
> +				t-power-on-us = <80>;

nit: please put it there in all patches:

@@ -2316,6 +2316,8 @@ pcie0_port: pcie@0 {
 
                                phys = <&pcie0_phy>;
 
+                               t-power-on-us = <80>;
+
                                #address-cells = <3>;
                                #size-cells = <2>;
                                ranges;

and re-run the list of SoCs that need it (LLM should do at least
the first part for you in ~20 seconds)

Konrad