On 08/06/2023 04:18, Stanley Chang[昌育德] wrote: >> ERROR: modpost: "devm_usb_get_phy_by_phandle" >> [drivers/power/supply/wm831x_power.ko] undefined! >>>> ERROR: modpost: "devm_usb_get_phy" >> [drivers/power/supply/da9150-charger.ko] undefined! >> >> Kconfig warnings: (for reference only) >> WARNING: unmet direct dependencies detected for USB_PHY >> Depends on [n]: USB_SUPPORT [=n] >> Selected by [y]: >> - PHY_RTK_RTD_USB2PHY [=y] >> > > I will add USB_SUUPRT dependency to Kconfig. Why? Do you see other phy drivers needing it? Few have it but many don't, so you should really investigate the root cause, not just add some dependencies. Build test your patches locally before sending and investigate the issues. Best regards, Krzysztof