Bartosz Golaszewski <brgl@xxxxxxxx> writes: > On Thu, Sep 5, 2024 at 5:47 PM Kalle Valo <kvalo@xxxxxxxxxx> wrote: >> >> Bartosz Golaszewski <brgl@xxxxxxxx> writes: >> >> >> > + - if: >> >> > + properties: >> >> > + compatible: >> >> > + contains: >> >> > + const: pci17cb,1103 >> >> > + then: >> >> > + required: >> >> > + - vddrfacmn-supply >> >> > + - vddaon-supply >> >> > + - vddwlcx-supply >> >> > + - vddwlmx-supply >> >> > + - vddrfa0p8-supply >> >> > + - vddrfa1p2-supply >> >> > + - vddrfa1p8-supply >> >> > + - vddpcie0p9-supply >> >> > + - vddpcie1p8-supply >> >> >> >> Like we discussed before, shouldn't these supplies be optional as not >> >> all modules need them? >> >> >> > >> > The answer is still the same: the ATH11K inside a WCN6855 does - in >> > fact - always need them. The fact that the X13s doesn't define them is >> > bad representation of HW and I'm fixing it in a subsequent DTS patch. >> >> But, like we discussed earlier, M.2 boards don't need these so I think >> this should be optional. >> > > If they are truly dynamic, plug-and-play M.2 boards then they > shouldn't need any description in device-tree. If they are M.2 sockets > that use custom, vendor-specific pins (like what is the case on > sc8280xp-crd and X13s) then the HW they carry needs to be described > correctly. We've discussed that before. Sigh. Please reread the previous discussion. In some cases we need to set qcom,ath11k-calibration-variant even for M.2 boards. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches