Hi Fabio, I compiled with W=1 and you are right, they cause warning. I will remove them. În vin., 19 iul. 2019 la 14:19, Fabio Estevam <festevam@xxxxxxxxx> a scris: > > Hi Andra, > > On Fri, Jul 19, 2019 at 7:48 AM andradanciu1997 > <andradanciu1997@xxxxxxxxx> wrote: > > > + pmic: pmic@4b { > > + reg = <0x4b>; > > + compatible = "rohm,bd71837"; > > + /* PMIC BD71837 PMIC_nINT GPIO1_IO12 */ > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_pmic>; > > + clocks = <&pmic_osc>; > > + clock-names = "osc"; > > + clock-output-names = "pmic_clk"; > > + interrupt-parent = <&gpio1>; > > + interrupts = <3 GPIO_ACTIVE_LOW>; > > + interrupt-names = "irq"; > > + > > + regulators { > > + #address-cells = <1>; > > + #size-cells = <0>; > > #address-cells and #size-cells are not needed and they cause warnings with W=1: > > DTC arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dtb > arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts:77.14-196.5: Warning > (avoid_unnecessary_addr_size): > /soc@0/bus@30800000/i2c@30a20000/pmic@4b/regulators: unnecessary > #address-cells/#size-cells without "ranges" or child "reg" property > > Please remove them.