On Wed, Feb 05, 2025 at 06:19:16PM +0800, Peter Chen wrote: > On 25-02-04 12:09:15, Greg Kroah-Hartman wrote: > > The usb_phy_generic code was creating a "fake" platform device to pass > > around in different places. Instead of doing that, use the faux bus > > instead as that is what is really wanted here. > > Hi Greg, > > As far as I know, there are some platforms use the device-tree to get > the system resource (eg, clock, reset, regular) for this driver. > We may not use fake bus for this driver. But there is no system resources assigned to this device/driver at all, so how is it getting anything here? > $grep -rn "usb-nop-xceiv" arch/arm64/boot/dts/* > > arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi:649: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/freescale/imx8mm.dtsi:275: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/freescale/imx8mm.dtsi:285: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/freescale/imx93.dtsi:238: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/freescale/imx93.dtsi:245: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/freescale/imx8mn.dtsi:1321: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/intel/socfpga_agilex.dtsi:149: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi:133: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9132-db.dtsi:30: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9132-db.dtsi:44: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9131-db.dtsi:33: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/armada-3720-db.dts:43: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9130-crb.dtsi:49: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9130-crb.dtsi:53: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9130-db.dtsi:52: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/cn9130-db.dtsi:66: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/armada-8040-db.dts:53: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/armada-8040-db.dts:67: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts:36: compatible = "usb-nop-xceiv"; > arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts:39: compatible = "usb-nop-xceiv"; Does this actually work at all? There is no real resouces here that I can see, so what am I missing? thanks, greg k-h