Re: [PATCH v2 4/7] arm64: dts: qcom: talos: Add QSPI support

[Konrad Dybcio]

On 4/14/26 7:08 PM, Viken Dadhaniya wrote:
> The Talos (QCS615) platform includes a QSPI controller used for accessing
> external flash storage. Add the QSPI OPP table, TLMM pinmux entries, and
> the QSPI controller node to enable support for this hardware.
> 
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@xxxxxxxxxxxxxxxx>
> ---

[...]

> +			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &config_noc SLAVE_QSPI QCOM_ICC_TAG_ACTIVE_ONLY>,
> +					<&aggre1_noc MASTER_QSPI QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;

The qspi-memory path _must_ be TAG_ALWAYS, since APSS may collapse
at any time (which could drop the vote in the ACTIVE_ONLY case), and
a DMA operation may still be ongoing

Konrad