From: Nicolas Saenz Julienne <nsaenz@xxxxxxxxxx> commit 3f32472854614d6f53b09b4812372dba9fc5c7de upstream. The unit address is supposed to represent '<device>,<function>'. Which are both 0 for RPi4b's XHCI controller. On top of that although OpenFirmware states bus number goes in the high part of the last reg parameter, FDT doesn't seem to care for it[1], so remove it. [1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210830103909.323356-1-nsaenzju@xxxxxxxxxx/#24414633 Fixes: 258f92d2f840 ("ARM: dts: bcm2711: Add reset controller to xHCI node") Suggested-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210831125843.1233488-2-nsaenzju@xxxxxxxxxx Signed-off-by: Nicolas Saenz Julienne <nsaenz@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -224,8 +224,8 @@ reg = <0 0 0 0 0>; - usb@1,0 { - reg = <0x10000 0 0 0 0>; + usb@0,0 { + reg = <0 0 0 0 0>; resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>; }; };